Photovoltaic support and photovoltaic system

Abstract

The utility model provides a photovoltaic support and a photovoltaic system, and relates to the technical field of photovoltaic supports. The photovoltaic support comprises a purline, a pressing block and a connecting piece. The purline comprises a bottom wall, a first side wall and a second side wall, the first side wall and the second side wall are connected to the bottom wall, the first side wall and the second side wall are oppositely arranged, and the bottom wall, the first side wall and the second side wall form a groove. The end, away from the bottom wall, of the first side wall extends in the direction away from the groove to form a first side wing, and the end, away from the bottom wall, of the second side wall extends in the direction away from the groove to form a second side wing. At least one of the first side wing and the second side wing is used for being connected with a photovoltaic module. The pressing block is used for being connected with a photovoltaic module. The connecting piece connects the bottom wall and the pressing block. According to the photovoltaic support, the photovoltaic assembly and the purline can be firmly connected, the photovoltaic assembly does not slip or loosen, it is guaranteed that the photovoltaic assembly and the purline are not damaged after being used for a long time, and the structure is stable and reliable.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic brackets, and in particular to a photovoltaic bracket and a photovoltaic system. Background Art

[0002] The common connection forms between photovoltaic modules and photovoltaic brackets can be divided into bolt installation and block installation.

[0003] The bolt installation method is to directly connect the mounting holes on the PV module frame with the module mounting holes on the bracket purlin using bolts. Because this method is a point connection between the PV module and the bracket, when the PV module frame is thin, under the action of strong winds, especially when the wind is sucked, the PV module frame is only partially stressed at the bolt connection part, and the PV module frame is easy to tear, causing the PV module to be disconnected from the bracket and fall off.

[0004] The installation method of the pressing block is to use a U-shaped pressing block to press the photovoltaic module on the bracket purlin, which can protect the module frame from being damaged. However, in this method, the photovoltaic module and the pressing block are fixed by friction, and the module may slide in the vertical direction of the pressing block, causing the module to loosen, and in severe cases, it may cause the module to fall. Utility Model Content

[0005] The utility model aims to provide a photovoltaic bracket and a photovoltaic system, which can firmly connect the photovoltaic components to the purlins, prevent the photovoltaic components from slipping and loosening, ensure that the photovoltaic components and the purlins are not damaged during long-term use, and have a stable and reliable structure.

[0006] The embodiment of the utility model is achieved as follows:

[0007] In a first aspect, the utility model provides a photovoltaic bracket, comprising:

[0008] A purlin, the purlin comprising a bottom wall and a first side wall and a second side wall connected to the bottom wall, the first side wall and the second side wall being arranged opposite to each other, and the bottom wall, the first side wall and the second side wall forming a groove;

[0009] An end of the first side wall away from the bottom wall is provided with a first side wing extending in a direction away from the groove, and an end of the second side wall away from the bottom wall is provided with a second side wing extending in a direction away from the groove; at least one of the first side wing and the second side wing is used to connect to a photovoltaic module;

[0010] A pressing block, the pressing block is used to be connected to the photovoltaic module;

[0011] A connecting piece is used to connect the bottom wall and the pressing block.

[0012] In an optional embodiment, the bottom wall is provided with a first mounting hole, and the pressing block is provided with a second mounting hole arranged opposite to the first mounting hole; the connecting member passes through the first mounting hole and the second mounting hole to connect the pressing block and the purlin.

[0013] In an optional embodiment, the connecting member is a bolt.

[0014] In an optional embodiment, at least one of the first side wing and the second side wing is provided with a third mounting hole, and the third mounting hole is used to be connected to the photovoltaic component.

[0015] In an optional embodiment, a fixing hole is provided on the bottom wall.

[0016] In an optional embodiment, the pressing block includes an intermediate pressing block, the intermediate pressing block has a pressing surface for abutting against the photovoltaic component, two stoppers are arranged on the pressing surface at intervals, and the second mounting hole is located between the two stoppers.

[0017] In an optional embodiment, a mounting groove is formed on a side of the pressing block away from the pressing surface, and the second mounting hole passes through the bottom of the mounting groove.

[0018] In an optional embodiment, the pressing surface is provided with tooth-shaped protrusions.

[0019] In an optional embodiment, the pressing block includes an end pressing block, one end of the end pressing block is extended in a first direction to be provided with a first pressing portion, and the other end of the end pressing block is extended in a second direction to be provided with a second pressing portion; the first direction and the second direction are opposite;

[0020] The first pressing portion is used to abut against the purlin, and the second pressing portion is used to abut against the photovoltaic module;

[0021] The end pressing block is provided with the second mounting hole.

[0022] In a second aspect, the utility model provides a photovoltaic system, comprising a photovoltaic component and a photovoltaic bracket as described in any one of the aforementioned embodiments, wherein the photovoltaic component is connected to the purlin and the pressing block respectively.

[0023] The beneficial effects of the embodiments of the utility model include:

[0024] The photovoltaic bracket provided by the embodiment of the utility model improves the purlin structure, the purlin has a groove structure, and a first wing and a second wing are formed on both sides of the groove structure respectively. The first wing and the second wing are used to connect with the photovoltaic module, the bottom wall of the groove structure is connected with the pressing block through a connecting piece, and the pressing block is connected with the photovoltaic module. In this way, the photovoltaic module is firmly connected with the purlin, the photovoltaic module does not slip or loosen, and the photovoltaic module and the purlin are guaranteed not to be damaged during long-term use, and the structure is stable and reliable.

[0025] The photovoltaic system provided by the embodiment of the utility model includes the above-mentioned photovoltaic bracket, which is easy to connect, has a stable and reliable structure, is highly practical, and can firmly connect the photovoltaic components and the purlins to ensure that the photovoltaic components and the purlins are not damaged during long-term use. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0027] Figure 1 A schematic diagram of the structure of the purlin of the photovoltaic support provided by the embodiment of the utility model;

[0028] Figure 2 A schematic diagram of the structure of a pressing block of a photovoltaic support provided by an embodiment of the utility model;

[0029] Figure 3 A schematic diagram of a connection structure of purlins, pressing blocks and photovoltaic modules in a photovoltaic system provided by an embodiment of the utility model;

[0030] Figure 4 Another structural schematic diagram of the purlin of the photovoltaic support provided by the embodiment of the utility model;

[0031] Figure 5 Another structural schematic diagram of a pressing block of a photovoltaic support provided by an embodiment of the utility model;

[0032] Figure 6 A schematic diagram of another connection structure of purlins, pressing blocks and photovoltaic modules in a photovoltaic system provided by an embodiment of the utility model.

[0033] Icons: 100-purlin; 110-bottom wall; 111-first mounting hole; 113-fixing hole; 120-first side wall; 130-second side wall; 101-groove; 140-first side wing; 150-second side wing; 160-third mounting hole; 200-pressure block; 210-second mounting hole; 211-holding surface; 220-stop block; 230-mounting groove; 240-end pressure block; 241-first holding part; 243-second holding part; 245-limiting arm; 247-holding end; 300-connector; 400-photovoltaic module; 410-fastener. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0035] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. 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.

[0036] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0037] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0038] In addition, the terms "horizontal", "vertical" and the like do not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0039] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" 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 a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0040] Photovoltaic power generation is a green energy technology that uses solar radiation to convert into direct current. With the improvement of environmental awareness and the transformation of energy structure, photovoltaic power generation has been more and more widely used around the world and has become an important renewable energy source. In photovoltaic power generation applications, photovoltaic brackets are an important part of the photovoltaic system. Their main function is to support and fix the photovoltaic modules 400 to ensure the stability and functionality of the photovoltaic system.

[0041] At present, the common connection forms between photovoltaic modules 400 and photovoltaic brackets can be divided into bolt installation and block 200 installation. When bolt installation is adopted, since the photovoltaic modules 400 and the bracket purlins 100 are point-connected, when the frame of the photovoltaic modules 400 is thin, under the action of strong winds, especially when the wind is sucked, the frame of the photovoltaic modules 400 is only partially stressed at the bolt connection part, and the frame of the photovoltaic modules 400 is easy to tear, causing the photovoltaic modules 400 to be disconnected from the bracket and the photovoltaic modules 400 to fall. If the block 200 is used for installation, since the photovoltaic modules 400 and the block 200 are fixed by friction, the module may slide in the vertical direction of the block 200, causing the module to loosen, and long-term use may cause the risk of the module falling.

[0042] In order to overcome at least one defect in the prior art, the present embodiment provides a photovoltaic bracket, which is used in a photovoltaic system to improve the reliability of the connection structure between the photovoltaic module 400 and the purlin 100, ensure that the photovoltaic module 400 and the purlin 100 are not damaged during long-term use, and the structure is stable and reliable.

[0043] Please refer to Figures 1 to 3The present embodiment provides a photovoltaic bracket, including a purlin 100, a pressing block 200 and a connecting member 300. The purlin 100 includes a bottom wall 110 and a first side wall 120 and a second side wall 130 connected to the bottom wall 110. The first side wall 120 and the second side wall 130 are arranged opposite to each other, and the bottom wall 110, the first side wall 120 and the second side wall 130 form a groove 101. The end of the first side wall 120 away from the bottom wall 110 extends in a direction away from the groove 101 and is provided with a first side wing 140, and the end of the second side wall 130 away from the bottom wall 110 extends in a direction away from the groove 101 and is provided with a second side wing 150; at least one of the first side wing 140 and the second side wing 150 is used to connect with the photovoltaic module 400. The cross section of the purlin 100 is roughly Ω-shaped. The pressing block 200 is used to connect with the photovoltaic module 400. The connecting member 300 connects the bottom wall 110 and the pressing block 200. The photovoltaic bracket can firmly connect the photovoltaic assembly 400 and the purlin 100, and the photovoltaic assembly 400 does not slip or loosen, thereby ensuring that the photovoltaic assembly 400 and the purlin 100 are not damaged during long-term use, and the structure is stable and reliable.

[0044] The bottom wall 110 is provided with a first mounting hole 111, and the pressing block 200 is provided with a second mounting hole 210 arranged opposite to the first mounting hole 111; the connecting member 300 passes through the first mounting hole 111 and the second mounting hole 210 to connect the pressing block 200 and the purlin 100. Optionally, the connecting member 300 is a bolt. The bolt passes through the first mounting hole 111 and the second mounting hole 210 in sequence to achieve a fixed connection between the purlin 100 and the pressing block 200. It can be understood that the aperture size of the first mounting hole 111 is equal to the aperture size of the second mounting hole 210. The number of the first mounting hole 111 and the second mounting hole 210 is equal. The number of the first mounting hole 111 and the second mounting hole 210 is one, two, three, four or more, respectively, which is not specifically limited here.

[0045] Optionally, fixing holes 113 are provided on the bottom wall 110. The fixing holes 113 are used to install the purlin 100, and the purlin 100 may be fixed to other parts of the bracket, or may be fixed to other purlins 100, which is not specifically limited here. In this embodiment, the number of the fixing holes 113 is two. The number of the first mounting holes 111 is two, and the two fixing holes 113 are relatively located in the middle of the bottom wall 110 of the purlin 100. The two first mounting holes 111 are relatively located at both ends of the bottom wall 110. In this way, the purlin 100 is subjected to more uniform force, has a reliable structure, and has a long service life.

[0046] Optionally, at least one of the first wing 140 and the second wing 150 is provided with a third mounting hole 160, and the third mounting hole 160 is used to connect with the photovoltaic module 400. It can be understood that if the purlin 100 is connected to the photovoltaic module 400 in the middle, that is, both sides of the purlin 100 need to be connected with the photovoltaic module 400, the first wing 140 and the second wing 150 are respectively fixedly connected to the frame of the photovoltaic module 400. It should be understood that the frame of the photovoltaic module 400 is provided with a fourth mounting hole (not shown) corresponding to the third mounting hole 160, and a fastener 410 such as a bolt can be passed through the third mounting hole 160 and the fourth mounting hole to achieve a fixed connection between the purlin 100 and the photovoltaic module 400.

[0047] Combination Figure 4 If the purlin 100 is connected to the photovoltaic module 400 at the edge, that is, only one side of the purlin 100 needs to be connected to the photovoltaic module 400, according to the actual situation, the first side wing 140 or the second side wing 150 is fixedly connected to the frame of the photovoltaic module 400. At this time, the third mounting hole 160 is only provided on the first side wing 140 or the second side wing 150.

[0048] In this embodiment, there are two third mounting holes 160 on the first wing 140 and the second wing 150 respectively. Of course, in some other embodiments, the number of third mounting holes 160 on each side can be one, three, four, five or more, which is not specifically limited here.

[0049] While the pressing block 200 is pressed against the frame of the photovoltaic module 400, it is fixedly connected by bolts and the first mounting hole 111 on the bottom wall 110 of the purlin 100. According to the installation position of the pressing block 200, it can be divided into an intermediate pressing block 200 and an end pressing block 240. The intermediate pressing block 200 is located between two photovoltaic modules 400, and needs to connect two photovoltaic modules 400. The two ends of the pressing block 200 are respectively connected to the photovoltaic modules 400. The end pressing block 240 is installed at the edge, and only one side needs to be connected to the photovoltaic module 400.

[0050] Combination Figure 2 Optionally, the pressing block 200 includes an intermediate pressing block 200, the intermediate pressing block 200 has a pressing surface 211 for abutting against the photovoltaic module 400, two blocks 220 are arranged on the pressing surface 211 at intervals, and the second mounting hole 210 is located between the two blocks 220. The cross section of the intermediate pressing block 200 is roughly π-shaped. The two blocks 220 abut against the end faces of the photovoltaic module 400 respectively, and the distance between the two photovoltaic modules 400 can be adjusted. The pressing surface 211 is used to press the upper surface of the frame of the photovoltaic module 400. Optionally, a tooth-shaped protrusion is provided on the pressing surface 211. The friction between the pressing block 200 and the photovoltaic module 400 can be increased, the pressing is more reliable, and the structural stability is better.

[0051] Optionally, a mounting groove 230 is provided on one side of the pressing block 200 away from the pressing surface 211, and the second mounting hole 210 runs through the bottom of the mounting groove 230. In this way, after the connecting member 300 such as a bolt is inserted into the second mounting hole 210, the bolt head can sink into the mounting groove 230, making the structure more compact and preventing the bolt head from occupying more axial space.

[0052] Combination Figure 5 and Figure 6 Optionally, the pressing block 200 includes an end pressing block 240, one end of which is provided with a first pressing portion 241 extending in a first direction, and the other end of which is provided with a second pressing portion 243 extending in a second direction; the first direction and the second direction are opposite. The first pressing portion 241 is used to abut against the purlin 100, and the second pressing portion 243 is used to abut against the photovoltaic module 400. The first pressing portion 241 and the second pressing portion 243 are respectively provided with tooth-shaped protrusions to increase friction and improve pressing reliability.

[0053] In this embodiment, the second pressing portion 243 includes a limiting arm 245 abutting against the end of the photovoltaic assembly 400 and a pressing end 247 for pressing the upper surface of the photovoltaic assembly 400. The pressing end 247 is connected to an end of the limiting arm 245 away from the first pressing portion 241. The pressing end 247 is provided with a tooth-shaped protrusion. The end pressing block 240 is provided with a second mounting hole 210, and the second mounting hole 210 is used for the connector 300 to pass through, so as to achieve a fixed connection between the purlin 100 and the pressing block 200.

[0054] The embodiment of the utility model further provides a photovoltaic system, comprising a photovoltaic assembly 400 and a photovoltaic bracket as described in any one of the above embodiments, wherein the photovoltaic assembly 400 is connected to the purlin 100 and the pressing block 200 respectively.

[0055] In this embodiment, when installed in the middle of the photovoltaic module 400, the first side wing 140 and the second side wing 150 of the purlin 100 are respectively fixedly connected to the photovoltaic module 400 by bolts. The pressing block 200 is arranged between the two photovoltaic modules 400, and the stopper 220 on the pressing block 200 abuts against the end faces of the two photovoltaic modules 400 respectively to adjust the distance between the two photovoltaic modules 400. The pressing surface 211 of the pressing block 200 abuts against the upper surface of the photovoltaic module 400. The bolts pass through the first mounting hole 111 and the second mounting hole 210 to achieve a fixed connection between the purlin 100 and the pressing block 200.

[0056] When the photovoltaic module 400 is installed at the end, the first wing 140 or the second wing 150 of the purlin 100 is fixedly connected to the photovoltaic module 400 by bolts according to the actual installation position. The first holding portion 241 of the pressing block 200 abuts against the purlin 100, and the second holding portion 243 abuts against the photovoltaic module 400. The bolts pass through the first mounting hole 111 and the second mounting hole 210 to achieve a fixed connection between the purlin 100 and the pressing block 200.

[0057] The photovoltaic bracket in this embodiment can press the photovoltaic component 400 onto the purlin 100 through the pressing block 200, while increasing the contact area of ​​the connection of the photovoltaic component 400, ensuring that the photovoltaic component 400 is installed firmly and stably, and has the characteristics of simple structure, easy manufacturing and installation, low cost, and high reliability.

[0058] In summary, the photovoltaic bracket and photovoltaic system provided by the embodiment of the utility model have the following beneficial effects:

[0059] The photovoltaic bracket provided by the embodiment of the utility model improves the structure of the purlin 100. The purlin 100 is in an Ω shape and has a groove 101 structure, and a first wing 140 and a second wing 150 are formed on both sides of the groove 101 structure. The first wing 140 and the second wing 150 are used to connect with the photovoltaic module 400. The bottom wall 110 of the groove 101 structure is connected to the pressing block 200 through a connector 300, and the pressing block 200 is in a π shape. The pressing block 200 is connected to the photovoltaic module 400. The pressing block 200 is provided with a tooth-shaped protrusion to improve the reliability of the pressing. In this way, the photovoltaic module 400 is firmly connected to the purlin 100, and the photovoltaic module 400 does not slip or loosen, which ensures that the photovoltaic module 400 and the purlin 100 are not damaged during long-term use. The structure is stable and reliable, with high safety and long service life.

[0060] The photovoltaic system provided by the embodiment of the utility model includes the above-mentioned photovoltaic bracket, which is easy to connect, has a stable and reliable structure, and is highly practical. It can firmly connect the photovoltaic module 400 and the purlin 100, ensuring that the photovoltaic module 400 and the purlin 100 are not damaged during long-term use. It is highly practical, has a safe and reliable structure, and ensures the stability and functionality of the photovoltaic system.

[0061] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A photovoltaic support, characterized in that: include: A purlin (100), the purlin (100) comprising a bottom wall (110), a first side wall (120) and a second side wall (130) connected to the bottom wall (110), the first side wall (120) and the second side wall (130) being arranged opposite to each other, and the bottom wall (110), the first side wall (120) and the second side wall (130) forming a groove (101); An end of the first side wall (120) away from the bottom wall (110) is provided with a first side wing (140) extending in a direction away from the groove (101), and an end of the second side wall (130) away from the bottom wall (110) is provided with a second side wing (150) extending in a direction away from the groove (101); at least one of the first side wing (140) and the second side wing (150) is used for connecting to a photovoltaic module (400); A pressing block (200), the pressing block (200) being used to be connected to the photovoltaic module (400); A connecting piece (300), wherein the connecting piece (300) connects the bottom wall (110) and the pressing block (200).

2. The photovoltaic bracket according to claim 1, characterized in that: The bottom wall (110) is provided with a first mounting hole (111), and the pressing block (200) is provided with a second mounting hole (210) arranged opposite to the first mounting hole (111); the connecting member (300) passes through the first mounting hole (111) and the second mounting hole (210) to connect the pressing block (200) and the purlin (100).

3. The photovoltaic bracket according to claim 1, characterized in that: The connecting member (300) is a bolt.

4. The photovoltaic bracket according to claim 1, characterized in that: At least one of the first side wing (140) and the second side wing (150) is provided with a third mounting hole (160), and the third mounting hole (160) is used to be connected to the photovoltaic assembly (400).

5. The photovoltaic support according to claim 1, characterized in that: The bottom wall (110) is provided with a fixing hole (113).

6. The photovoltaic support according to claim 2, characterized in that: The pressing block (200) comprises an intermediate pressing block (200), the intermediate pressing block (200) having a pressing surface (211) for abutting against the photovoltaic assembly (400), two stoppers (220) being arranged on the pressing surface (211) at intervals, and the second mounting hole (210) being located between the two stoppers (220).

7. The photovoltaic support according to claim 6, characterized in that: A mounting groove (230) is provided on a side of the pressing block (200) away from the pressing surface (211), and the second mounting hole (210) passes through the bottom of the mounting groove (230).

8. The photovoltaic support according to claim 6, characterized in that: The pressing surface (211) is provided with tooth-shaped protrusions.

9. The photovoltaic support according to claim 2, characterized in that: The pressing block (200) comprises an end pressing block (240), one end of the end pressing block (240) extending in a first direction and provided with a first pressing portion (241), and the other end of the end pressing block (240) extending in a second direction and provided with a second pressing portion (243); the first direction and the second direction are opposite; The first pressing portion (241) is used to abut against the purlin (100), and the second pressing portion (243) is used to abut against the photovoltaic assembly (400); The end pressing block (240) is provided with the second mounting hole (210).

10. A photovoltaic system, characterized in that: It comprises a photovoltaic component (400) and a photovoltaic bracket according to any one of claims 1 to 9, wherein the photovoltaic component (400) is connected to the purlin (100) and the pressing block (200) respectively.

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