Photovoltaic device and photovoltaic system

Abstract

The present invention discloses a photovoltaic device and a photovoltaic system. The photovoltaic device includes a frame and a photovoltaic module installed on the frame. The frame is provided with a placement plane for placing the photovoltaic module. The frame is provided with a limiting structure for limiting the position of the left side, right side, upper end, front surface and rear surface of the photovoltaic module. The frame is detachably connected with a blocking fixed block that can abut against the lower end surface of the photovoltaic module. The photovoltaic device of the above structure uses the limiting structure to limit the left side, right side, upper end, front surface and rear surface of the photovoltaic module. After removing the blocking fixed block, the photovoltaic module can be separated from the frame downward along the placement plane, which is convenient for the removal and installation of the photovoltaic module, thereby facilitating the maintenance or replacement of the photovoltaic module. The photovoltaic system using the above photovoltaic device can facilitate the repair or replacement of a photovoltaic device that has a fault.

Description

Technical Field

[0001] The present invention relates to the field of photovoltaic technology, and in particular to a photovoltaic device and a photovoltaic system. Background Art

[0002] In the prior art, a photovoltaic system installed on a roof is composed of a plurality of photovoltaic devices distributed in multiple rows and columns. The photovoltaic device includes a photovoltaic module and a protective frame wrapped around the photovoltaic module. The photovoltaic module and the protective frame are generally fixed by glue or screws. When a photovoltaic module fails, the entire photovoltaic device needs to be detached from the tile hanging strips on the roof, and then the photovoltaic module needs to be removed from the protective frame, which brings great trouble to the maintenance and replacement of the photovoltaic module.

[0003] In addition, general photovoltaic devices are fixed to the tile hanging strips by a large number of screws, which makes the installation process complicated and the construction period long. Summary of the invention

[0004] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention provides a photovoltaic device that facilitates the disassembly and assembly of photovoltaic modules.

[0005] The present invention also provides a photovoltaic system, which uses the above photovoltaic device to help repair and replace a failed photovoltaic device.

[0006] A photovoltaic device according to an embodiment of the first aspect of the present invention comprises: a frame and a photoelectric module mounted on the frame, the frame being provided with a placement plane for placing the photoelectric module, the frame being provided with a limiting structure for limiting the position of the left side surface, right side surface, upper end surface, front surface and rear surface of the photoelectric module, and the frame being detachably connected with a blocking fixing block capable of abutting against the lower end surface of the photoelectric module.

[0007] A photovoltaic device according to an embodiment of the present invention has at least the following beneficial effects:

[0008] The photovoltaic device of the above structure uses a limiting structure to limit the left side, right side, upper end face, front surface and rear surface of the photoelectric module. After removing the blocking fixing block, the photoelectric module can be separated from the frame downward along the placement plane, which is convenient for the disassembly and installation of the photoelectric module, thereby facilitating the maintenance or replacement of the photoelectric module.

[0009] In some embodiments of the present invention, the frame is surrounded by a left frame bar, a right frame bar, an upper frame bar and a lower frame bar, the left frame bar is provided with a left-side planar member located on the placement plane to support the left side of the rear surface of the photoelectric module, the right frame bar is provided with a right-side planar member located on the placement plane to support the right side of the rear surface of the photoelectric module, the front surface of the lower frame bar is located on the placement plane to support the lower side of the rear surface of the photoelectric module, and the blocking fixed block is detachably connected to the lower frame bar.

[0010] In some embodiments of the present invention, the upper frame bar includes an upper frame front plate, the limiting structure includes a supporting plate, a left limiting plate, a right limiting plate and an upper end limiting plate, the supporting plate is arranged behind the upper frame front plate, the photoelectric module is clamped between the supporting plate and the upper frame front plate, the upper end limiting plate is arranged on the upper frame front plate and can abut against the upper end surface of the photoelectric module, the left limiting plate is arranged on the left side of the upper frame front plate and can abut against the left side surface of the photoelectric module, and the right limiting plate is arranged on the left side of the right frame bar and can abut against the right side surface of the photoelectric module.

[0011] In some embodiments of the present invention, the blocking and fixing block includes a mounting plate provided on the lower end surface of the lower frame bar and extending forward, and a pressing plate connected to the mounting plate and extending upward, and the photoelectric module is clamped between the pressing plate and the front surface of the lower frame bar.

[0012] In some embodiments of the present invention, a plurality of support bars are connected between the upper frame bar and the lower frame bar, and the front surfaces of the support bars are located on the placement plane.

[0013] In some embodiments of the present invention, the photoelectric module is connected to a driving box, and the upper frame bar is provided with a lead hole for leading out the wires of the driving box.

[0014] In some embodiments of the present invention, the left frame bar and / or the right frame bar is provided with a drainage groove extending in the up-down direction.

[0015] In some embodiments of the present invention, a hanging groove for hanging on a tile hanging strip of a roof is provided on the upper portion of the frame, and a threaded fastener installed on the tile hanging strip is provided on the upper portion of the frame.

[0016] A photovoltaic system according to an embodiment of the second aspect of the present invention comprises: a plurality of the above-mentioned photovoltaic devices, wherein the plurality of photovoltaic devices are distributed in a plurality of rows and columns.

[0017] The photovoltaic system according to the embodiment of the present invention has at least the following beneficial effects:

[0018] The photovoltaic system using the above photovoltaic device can facilitate the repair or replacement of a failed photovoltaic device.

[0019] In some embodiments of the present invention, the frame is surrounded by a left frame bar, a right frame bar, an upper frame bar and a lower frame bar, the left frame bar is provided with a rearward recessed avoidance groove, the right frame bar is located in front of the avoidance groove of the other frame, and the lower frame bar rests on the front surface of the upper frame bar of the other frame.

[0020] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0022] Figure 1 is a schematic structural diagram of an embodiment of a photovoltaic device of the present invention;

[0023] Figure 2 for Figure 1 A schematic diagram of the structure of the embodiment after removing the photovoltaic module;

[0024] Figure 3 for Figure 2 A schematic diagram of the structural decomposition of an embodiment;

[0025] Figure 4 for Figure 1 A structural schematic diagram of another perspective of the embodiment;

[0026] Figure 5 A schematic structural diagram of an embodiment of a photovoltaic system of the present invention;

[0027] Figure 6 for Figure 5 A schematic structural diagram of the connection between left and right adjacent photovoltaic devices in an embodiment. DETAILED DESCRIPTION

[0028] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0029] In the description of the present invention, it should be understood that descriptions involving orientation, such as the orientations or positional relationships indicated by terms such as “upper”, “lower”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside” and “outside” are based on the orientations or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention and simplifying the description, and do 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 should not be understood as a limitation on the present invention.

[0030] In the description of the present invention, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood as not including the number itself, and "above", "below", "within" etc. are understood as including the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0031] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" 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.

[0032] See also Figure 1 A photovoltaic device includes: a frame 100 and a photovoltaic module 200 mounted on the frame 100, the frame 100 is provided with a placement plane for placing the photovoltaic module 200, the frame 100 is provided with a limiting structure 300 for limiting the position of the left side, right side, upper end, front surface and rear surface of the photovoltaic module 200, and the frame 100 is detachably connected with a blocking fixed block 400 that can abut against the lower end surface of the photovoltaic module 200. The photovoltaic device with the above structure uses the limiting structure 300 to limit the left side, right side, upper end, front surface and rear surface of the photovoltaic module 200, and after removing the blocking fixed block 400, the photovoltaic module 200 can be separated from the frame 100 downward along the placement plane, which is convenient for the removal and installation of the photovoltaic module 200, thereby facilitating the maintenance or replacement of the photovoltaic module 200.

[0033] See also Figure 2 and Figure 3In some embodiments of the present invention, the frame 100 is surrounded by a left frame bar 110, a right frame bar 120, an upper frame bar 130 and a lower frame bar 140. The left frame bar 110 is provided with a left plane member 111 located on the placement plane to support the left side of the rear surface of the photovoltaic module 200. The right frame bar 120 is provided with a right plane member 121 located on the placement plane to support the right side of the rear surface of the photovoltaic module 200. The front surface of the lower frame bar 140 is located on the placement plane to support the lower side of the rear surface of the photovoltaic module 200. The blocking fixed block 400 is detachably connected to the lower frame bar 140. The left plane member 111, the right plane member 121 and the front surface of the lower frame bar 140 together form a supporting plane for supporting the photovoltaic module 200, which is the above-mentioned placement plane.

[0034] See also Figure 2 and Figure 3 In some embodiments of the present invention, the upper frame bar 130 includes an upper frame front plate 131, and the limiting structure 300 includes a supporting plate 310, a left limiting plate 320, a right limiting plate 330 and an upper limiting plate 340. The supporting plate 310 is arranged behind the upper frame front plate 131, and the photoelectric module 200 is clamped between the supporting plate 310 and the upper frame front plate 131. The upper limiting plate 340 is arranged on the upper frame front plate 131 and can abut against the upper end surface of the photoelectric module 200. The left limiting plate 320 is arranged on the left side of the upper frame front plate 131 and can abut against the left side surface of the photoelectric module 200. The right limiting plate 330 is arranged on the left side of the right frame bar 120 and can abut against the right side surface of the photoelectric module 200. The above structure can realize the positioning of the left side, right side, upper end, front surface and rear surface of the photovoltaic module 200, avoid the photovoltaic module 200 from being displaced relative to the frame 100, and ensure the structural stability of the photovoltaic device. Among them, the rear surface of the upper frame front plate 131 is provided with an L-shaped plate, the vertical section of the L-shaped plate constitutes the upper end limit plate 340, and the horizontal section of the L-shaped plate constitutes the supporting plate 310, which simplifies the production and assembly process of parts.

[0035] See also Figure 2 In some embodiments of the present invention, the blocking and fixing block 400 includes a mounting plate 410 disposed on the lower end surface of the lower frame bar 140 and extending forward, and a pressing plate 420 connected to the mounting plate 410 and extending upward, and the photovoltaic module 200 is clamped between the pressing plate 420 and the front surface of the lower frame bar 140. In this embodiment, the mounting plate 410 is fixed to the lower end surface of the lower frame bar 140 by screws. Of course, in other embodiments, the mounting plate 410 can also be installed by a snap-fit ​​structure or other detachable connection structure.

[0036] See also Figure 2In some embodiments of the present invention, in order to improve the support stability of the photovoltaic module 200, a plurality of support bars 500 are connected between the upper frame bar 130 and the lower frame bar 140, and the front surface of the support bar 500 is located on the placement plane.

[0037] See also Figure 4 , wherein the optoelectronic module 200 is connected to the driving box 600. In some embodiments of the present invention, the upper frame bar 130 is provided with a lead hole 132 for leading out the wires of the driving box 600. The lead hole 132 can lead out the wires in an orderly manner. The input wires and the output wires of the driving box 600 are respectively provided with a female end connector 610 and a male end connector 620. Adjacent optoelectronic modules 200 can be electrically connected by plugging and matching the female end connector 610 and the male end connector 620.

[0038] See also Figure 2 and Figure 3 In some embodiments of the present invention, in order to alleviate the phenomenon of water accumulation, a drainage groove 700 extending in the up-down direction is provided on the left frame bar 110 and / or the right frame bar 120, and the drainage groove 700 can discharge the accumulated water downward along the slope of the roof.

[0039] See also Figure 2 and Figure 5 In some embodiments of the present invention, in order to simplify the installation procedure between the frame 100 and the tile hanging strip 10, a hanging groove 150 for hanging on the tile hanging strip 10 of the roof is provided at the upper portion of the frame 100, and a threaded fastener installed on the tile hanging strip 10 is provided at the upper portion of the frame 100. The use of the hanging groove 150 in conjunction with the threaded fastener can reduce the number of fastening screws used and reduce the construction time.

[0040] See also Figure 5 The present invention also discloses a photovoltaic system, comprising: a plurality of the above photovoltaic devices, the plurality of photovoltaic devices being arranged in multiple rows and columns. The photovoltaic system using the above photovoltaic devices can conveniently repair or replace a photovoltaic device that has a fault.

[0041] See also Figure 2 , Figure 3 and Figure 6 In some embodiments of the present invention, the frame 100 is surrounded by a left frame bar 110, a right frame bar 120, an upper frame bar 130 and a lower frame bar 140. The left frame bar 110 is provided with a backward recessed escape groove 112, the right frame bar 120 is located in front of the escape groove 112 of another frame 100, and the lower frame bar 140 rests on the front surface of the upper frame bar 130 of another frame 100. The photovoltaic system of the above structure can reduce the proportion of the area occupied by the frame 100 on the roof, and more photovoltaic devices can be installed under a fixed area, thereby improving the utilization rate of solar energy.

[0042] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0043] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A photovoltaic device, characterized in that: include: A frame (100) and a photovoltaic module (200) mounted on the frame (100); the frame (100) is provided with a placement plane for placing the photovoltaic module (200); the frame (100) is provided with a limiting structure (300) for limiting the position of the left side, right side, upper end, front surface and rear surface of the photovoltaic module (200); the frame (100) is detachably connected with a blocking fixing block (400) capable of abutting against the lower end surface of the photovoltaic module (200); the frame (100) is surrounded by a left frame bar (110), a right frame bar (120), an upper frame bar (130) and a lower frame bar (140); the left frame bar (110) is provided with a stopper located on the placement plane to support the photovoltaic module (200); The left side plane member (111) is provided on the left side of the rear surface of the photovoltaic module (200); the right frame bar (120) is provided with a right side plane member (121) located on the placement plane to support the right side of the rear surface of the photovoltaic module (200); the front surface of the lower frame bar (140) is located on the placement plane to support the lower side of the rear surface of the photovoltaic module (200); the blocking fixed block (400) is detachably connected to the lower frame bar (140); the left side plane member (111), the right side plane member (121) and the front surface of the lower frame bar (140) together form the placement plane supporting the photovoltaic module (200); the upper frame bar (130) includes an upper frame front plate (131); the limiting structure ( The photovoltaic module (200) comprises a supporting plate (310), a left limiting plate (320), a right limiting plate (330) and an upper limiting plate (340), wherein the supporting plate (310) is arranged behind the upper frame front plate (131), the photovoltaic module (200) is sandwiched between the supporting plate (310) and the upper frame front plate (131), the upper limiting plate (340) is arranged on the upper frame front plate (131) and can abut against the upper end surface of the photovoltaic module (200), the left limiting plate (320) is arranged on the left side of the upper frame front plate (131) and can abut against the left side surface of the photovoltaic module (200), the right limiting plate (330) is arranged on the left side of the right frame bar (120) and can abut against the upper end surface of the photovoltaic module (200), on the right side surface of the photovoltaic module (200); an L-shaped plate is provided on the rear surface of the upper frame front plate (131), the vertical section of the L-shaped plate constitutes an upper end limit plate (340), and the horizontal section of the L-shaped plate constitutes a supporting plate (310); the blocking fixed block (400) comprises a mounting plate (410) provided on the lower end surface of the lower frame bar (140) and extending forward, and a pressing plate (420) connected to the mounting plate (410) and extending upward, the photovoltaic module (200) is clamped between the pressing plate (420) and the front surface of the lower frame bar (140); a plurality of supporting bars (500) are connected between the upper frame bar (130) and the lower frame bar (140), and the front surfaces of the supporting bars (500) are located on the placement plane;When the blocking and fixing block (400) is removed, the photovoltaic module (200) is separated from the frame (100) downward along the placement plane. ; 2. A photovoltaic device according to claim 1, characterized in that: The photoelectric module (200) is connected to a driving box (600), and the upper frame bar (130) is provided with a lead hole (132) for leading the electric wires of the driving box (600) outward.

3. A photovoltaic device according to claim 1, characterized in that: The left frame bar (110) and / or the right frame bar (120) are provided with a drainage groove (700) extending in the up-down direction.

4. A photovoltaic device according to claim 1, characterized in that: The upper part of the frame (100) is provided with a hanging groove (150) for hanging on a tile hanging strip (10) on the roof, and the upper part of the frame (100) is provided with a threaded fastener installed on the tile hanging strip (10).

5. A photovoltaic system, characterized in that: It comprises a plurality of photovoltaic devices as described in any one of claims 1 to 4, wherein the plurality of photovoltaic devices are distributed in a plurality of rows and columns.

6. A photovoltaic system according to claim 5, characterized in that: The frame (100) is surrounded by a left frame bar (110), a right frame bar (120), an upper frame bar (130) and a lower frame bar (140); the left frame bar (110) is provided with a rearwardly recessed avoidance groove (112); the right frame bar (120) is located in front of the avoidance groove (112) of another frame (100); and the lower frame bar (140) rests on the front surface of the upper frame bar (130) of another frame (100).

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