Photovoltaic module fixing device and photovoltaic power generation equipment

Abstract

The present disclosure provides a photovoltaic module fixing device and a photovoltaic power generation device. The photovoltaic module fixing device is used to connect the fixing cable and the frame of the photovoltaic module, and includes a first buffer pad, a first fastener and a cable-through connector; the first buffer pad is provided with a first connection hole, the cable-through connector is provided with a second connection hole, and the first fastener is used to sequentially pass through the frame, the first connection hole and the second connection hole to fix the frame on the first buffer pad and the cable-through connector; the first buffer pad has an engaging protrusion on one side close to the cable-through connector, the cable-through connector has an engaging groove matched with the engaging protrusion, and the cable-through connector is also provided with a cable-through hole for the fixing cable to pass through. The photovoltaic module fixing device can disperse the stress through the buffering effect, thereby improving the stress concentration problem between the frame and the cable-through connector, maintaining the stability of the overall structure of the photovoltaic module fixing device, and thereby improving the service life of the bracket system.

Description

Technical Field

[0001] The present disclosure relates to the field of photovoltaic technology, and in particular to a photovoltaic component fixing device and a photovoltaic power generation equipment. Background Art

[0002] A solar cell is a power generation device that can absorb sunlight and output electrical energy. The power generation of a single solar cell is relatively low, so in actual use, it is usually necessary to connect multiple solar cells in series or parallel to form a battery string, and further encapsulate them in a transparent panel to finally form a photovoltaic module for actual use. Photovoltaic modules usually have a frame to facilitate fixing to the bracket and then setting it in the power generation site.

[0003] The fish-solar complementary photovoltaic system is a system that uses the space above the water surface such as ponds to set up photovoltaic modules for power generation. Unlike photovoltaic modules set on the ground, photovoltaic modules set above the water surface usually need to be fixed using a "flexible support system" that combines steel cables and brackets. This flexible support system has the advantages of light weight and bendability, but compared with the traditional fixed support system used on the ground, this flexible support system has poor rigidity and is prone to vibration during actual use, resulting in greater stress concentration at the connection between the component frame and the bracket, and ultimately plastic fatigue tearing. Therefore, this support system often has the problem of a short service life. Utility Model Content

[0004] Based on this, in order to improve the stress concentration problem at the connection between the photovoltaic module and the holder, and thus increase the service life of the bracket system, it is necessary to provide a photovoltaic module fixing device.

[0005] According to some embodiments of the present disclosure, there is provided a photovoltaic assembly fixing device for connecting a fixing cable and a frame of a photovoltaic assembly, which includes a first buffer pad, a first fastener, and a cable-threading connector;

[0006] The first buffer pad is provided with a first connection hole, the cable connecting piece is provided with a second connection hole, and the first fastener is used to sequentially pass through the frame, the first connection hole and the second connection hole to fix the frame to the first buffer pad and the cable connecting piece;

[0007] The first buffer pad has an engaging protrusion on one side close to the cable-threading connector, the cable-threading connector has an engaging groove matched with the engaging protrusion, and the cable-threading connector is also provided with a cable-threading through hole for the fixing cable to pass through.

[0008] In some embodiments of the present disclosure, the first buffer pad has a first end and a second end opposite to each other in the extension direction of the frame, and the first connection hole and the engaging protrusion are sequentially arranged between the first end and the second end.

[0009] In some embodiments of the present disclosure, the embedding groove is in the shape of an elongated strip, and an extending direction of the embedding groove is the same as an axial direction of the cable through hole.

[0010] In some embodiments of the present disclosure, the cable through hole is located between the second connecting hole and the engaging groove.

[0011] In some embodiments of the present disclosure, the photovoltaic assembly fixing device also includes a second buffer pad, the second buffer pad is provided with a third connecting hole, the second buffer pad is used to be arranged on a side of the frame away from the first buffer pad, and the first fastener is also used to pass through the third connecting hole.

[0012] In some embodiments of the present disclosure, the first buffer pad is a rubber pad.

[0013] In some embodiments of the present disclosure, the second buffer pad is a rubber pad.

[0014] In some embodiments of the present disclosure, the cable connection member includes a first fixed block and a second fixed block that are used in conjunction with each other and are separable, the first fixed block is provided with a cable passing groove, the second fixed block has a cable passing support surface, and the cable passing support surface can be enclosed with the cable passing groove to form the cable passing hole.

[0015] In some embodiments of the present disclosure, the first fixing block includes a first supporting portion, the fitting groove and the second connecting hole are both arranged on the first supporting portion, and the fitting groove and the cable passing slot are respectively arranged on opposite sides of the first fixing block.

[0016] In some embodiments of the present disclosure, the first fixing block also includes a first buckling portion connected to one end of the first supporting portion, the second fixing block includes a second supporting portion and a second buckling portion connected to one end of the second supporting portion, and the first buckling portion can abut against the second buckling portion so that the cable support surface and the cable passing groove are enclosed.

[0017] In some embodiments of the present disclosure, the photovoltaic component fixing device also includes a second fastener, the first fixing block is also provided with a first fixing hole, and the second fixing block is also provided with a second fixing hole, and the second fastener is used to pass through the second fixing hole and the first fixing hole in sequence to connect the first fixing block and the second fixing block.

[0018] Furthermore, the present disclosure also provides a photovoltaic power generation device, which includes a fixing cable, a photovoltaic component and a photovoltaic component fixing device as described in any of the above embodiments, the fixing cable is passed through the cable through hole of the cable passing connector, and the first fastener is passed through the frame, the first connection hole and the second connection hole in sequence.

[0019] The photovoltaic module fixing device of one embodiment of the present disclosure includes a first buffer pad, a first fastener and a cable-through connector. In actual use, the first fastener can pass through the frame, the first connection hole of the first buffer pad and the second connection hole of the cable-through connector in sequence, so that the frame is fixed to the first buffer pad and the cable-through connector, and the fixing cable can be inserted into the cable-through hole of the cable-through connector so that the fixing cable is fixedly connected to the frame. When the photovoltaic module and the fixing cable oscillate, there is a local stress concentration between the frame and the cable-through connector, and the first buffer pad located between the two can disperse the stress through the buffering effect, thereby improving the stress concentration problem between the frame and the cable-through connector. In addition, the first buffer pad has an embedded protrusion, which is embedded in the embedded groove of the cable-through connector. The embedded structure works together with the first fastener to prevent the first buffer pad and the cable-through connector from relative slipping during the oscillation process, thereby maintaining the stability of the overall structure of the photovoltaic module fixing device, thereby improving the service life of the bracket system. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of a photovoltaic module fixing device;

[0021] Figure 2 for Figure 1 A schematic structural diagram of the first fixed block in FIG.

[0022] Figure 3 for Figure 1 A schematic structural diagram of the second fixed block in FIG.

[0023] Figure 4 for Figure 1 A structural schematic diagram of the first buffer pad and the first fixing block used in combination.

[0024] The reference numerals and their meanings are as follows:

[0025] 110, first buffer pad; 111, first end; 112, second end; 1101, first connecting hole; 1102, engaging protrusion; 120, first fastener; 130, cable connection member; 131, first fixing block; 1310, first supporting portion; 1311, second connecting hole; 1312, engaging groove; 1313, cable through slot; 1314, first buckling portion; 1315, first fixing hole; 132, second fixing block; 1320, second supporting portion; 1321, cable support surface; 1322, second buckling portion; 1323, second fixing hole; 140, second buffer pad; 1401, third connecting hole; 150, second fastener; 160, first gasket; 170, second gasket; 200, frame; 2001, frame connecting hole; 300, fixing cable. DETAILED DESCRIPTION

[0026] In order to facilitate the understanding of the present disclosure, the present disclosure will be described more comprehensively in conjunction with the embodiments and the effect diagrams. The embodiments provide preferred embodiments of the present disclosure. However, the present disclosure can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present disclosure more thorough and comprehensive.

[0027] It should be noted that when an element is referred to as being "fixed" to another element, it may be directly fixed to the other element, or it may be fixed to the other element through an intermediate element. When an element is considered to be "connected" to another element, it may be directly connected to the other element, or there may be an intermediate element between the two elements. In addition, in the description of the present disclosure, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integrated connection. For example, it may be a mechanical connection or an electrical connection. For example, it may be a direct connection, an indirect connection through an intermediate element, or the internal connection of the two elements. It should be understood that those skilled in the art can understand the specific meanings of the above terms according to the specific circumstances without causing ambiguity.

[0028] Unless otherwise specified, in the description of the present disclosure, terms indicating orientation or positional relationships, such as “center”, “up”, “down”, “left”, “right”, “vertical”, “horizontal”, “inside” and “outside”, are based on the orientation or positional relationships shown in the drawings of the utility model, and are only intended to facilitate and simplify the description of the contents of the utility model and to help readers understand the description in conjunction with the drawings, rather than to limit or imply a specific orientation that the device or element referred to must have, and therefore should not be understood as a limitation on the present disclosure.

[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those generally understood by those skilled in the art to which the present disclosure belongs. The terms used herein in the specification of the present disclosure are only for the purpose of describing specific embodiments and are not intended to limit the implementation of the present disclosure. The term "and / or" used herein includes any and all combinations of one or more related listed items. "Multiple" herein includes a combination of two or more than two items.

[0030] Figure 1 Schematic diagram of the structure of a photovoltaic module fixing device according to the present disclosure. Figure 1 As shown, the photovoltaic module fixing device includes a first buffer pad 110, a first fastener 120 and a cable connection member 130. The first buffer pad 110 is provided with a first connection hole 1101, and the cable connection member 130 is provided with a second connection hole 1311. The first fastener 120 is used to sequentially pass through the frame 200, the first connection hole 1101 and the second connection hole 1311, so that the frame 200 is fixed to the first buffer pad 110 and the cable connection member 130. The first buffer pad 110 has an engaging protrusion 1102 on one side close to the cable connection member 130, and the cable connection member 130 has an engaging groove 1312 adapted to the engaging protrusion 1102. The cable connection member 130 is also provided with a cable through hole capable of allowing the fixing cable 300 to pass through.

[0031] It can be understood that the photovoltaic module fixing device is used to connect the fixing cable 300 and the frame 200 of the photovoltaic module. Among them, the first fastener 120 can pass through the frame 200, the first connection hole 1101 of the first buffer pad 110 and the second connection hole 1311 of the cable connection member 130 in sequence, so that the first buffer pad 110 is arranged between the frame 200 and the cable connection member 130, and the fixing cable 300 can be arranged in the cable through hole of the cable connection member 130. When the photovoltaic module and the fixing cable 300 oscillate, there is a local stress concentration between the frame 200 and the cable connection member 130, and the first buffer pad 110 located between the two can disperse the stress through the buffering effect, thereby improving the stress concentration problem between the frame 200 and the cable connection member 130. In addition, the first buffer pad 110 has an engaging protrusion 1102, which is embedded in the engaging groove 1312 of the cable connector 130. The engaging structure works together with the first fastener 120 to prevent the first buffer pad 110 and the cable connector 130 from relative slipping during the oscillation process, thereby maintaining the stability of the overall structure of the photovoltaic module fixing device and further improving the service life of the bracket system.

[0032] Reference Figure 1 As shown, in some examples of this embodiment, the cable connector 130 may include a first fixing block 131 and a second fixing block 132 that are used in conjunction with each other and are separable. Figure 2 for Figure 1 A schematic diagram of the structure of the first fixing block 131, Figure 3 for Figure 1 Schematic diagram of the structure of the second fixing block 132. Figure 2 and Figure 3 As shown, the first fixing block 131 is provided with a cable passing groove 1313, and the second fixing block 132 has a cable passing support surface 1321, and the cable passing support surface 1321 can be enclosed with the cable passing groove 1313 to form a cable passing hole. By providing the separable first fixing block 131 and the second fixing block 132, when in use, the fixing cable 300 can be firstly arranged in the cable passing groove 1313, and then the cable passing support surface 1321 and the cable passing groove 1313 are enclosed to form a cable passing hole, which is conducive to reducing the actual installation difficulty of the cable connecting member 130 and expanding its application range.

[0033] Reference Figure 2 and Figure 3 As shown, in some examples of this embodiment, the first fixing block 131 further includes a first buckling portion 1314 connected to one end of the first supporting portion 1310, and the second fixing block 132 includes a second supporting portion 1320 and a second buckling portion 1322 connected to one end of the second supporting portion 1320, and the first buckling portion 1314 can abut against the second buckling portion 1322 to enclose the cable support surface 1321 and the cable through groove 1313. By providing the abutting first buckling portion 1314 and the second buckling portion 1322, the actual structure of the first fixing block 131 and the second fixing block 132 can be simplified, so that the first fixing block 131 and the second fixing block 132 can be more easily matched and fixed.

[0034] Reference Figure 2 and Figure 3 As shown, in some examples of this embodiment, the photovoltaic assembly fixing device further includes a second fastener 150, the first fixing block 131 is further provided with a first fixing hole 1315, the second fixing block 132 is further provided with a second fixing hole 1323, and the second fastener 150 is used to sequentially pass through the second fixing hole 1323 and the first fixing hole 1315 to connect the first fixing block 131 and the second fixing block 132. The second fastener 150 is used to fix the first fixing block 131 and the second fixing block 132 to form a cable-threading connector 130 with a stable structure.

[0035] It can be understood that, in actual assembly and use, the fixing rope 300 can be first set in the rope passage slot 1313 of the first fixing block 131, and then the second buckle 1322 of the second fixing block 132 is abutted against the first buckle 1314 of the first fixing block 131, so that the rope support surface 1321 and the rope passage slot 1313 are enclosed to form a rope passage hole, and the fixing rope 300 is naturally passed through the rope passage hole. Then, the second fastener 150 is passed through the second fixing hole 1323 and the first fixing hole 1315 in sequence to ensure that the first fixing block 131 and the second fixing block 132 are fixedly connected.

[0036] Figure 4 for Figure 1 Schematic diagram of the structure of the first buffer pad 110 and the first fixing block 131 used in combination. Figure 4 As shown, in some examples of this embodiment, the first fixing block 131 includes a first supporting portion 1310, the fitting groove 1312 and the second connecting hole 1311 are both provided on the first supporting portion 1310, and the fitting groove 1312 and the cable passing groove 1313 are respectively provided on opposite sides of the first fixing block 131. The fitting groove 1312 and the cable passing groove 1313 are respectively provided on opposite sides of the first fixing block 131, the fitting protrusion 1102 is provided in the fitting groove 1312, and correspondingly, the first buffer pad 110 and the cable passing hole are also provided on opposite sides of the first fixing block 131, and the first buffer pad 110 can more effectively reduce and disperse the pressure between the fixing cable 300 and the frame 200, thereby further improving or avoiding the problem of stress concentration.

[0037] Reference Figure 4 As shown, in some examples of this embodiment, the first buffer pad 110 has a first end 111 and a second end 112 opposite to each other in the extension direction of the frame 200, and the first connection hole 1101 and the engaging protrusion 1102 are sequentially arranged between the first end 111 and the second end 112. Figure 4 , the first connection hole 1101 is closer to the first end 111, and the engaging protrusion 1102 is closer to the second end 112. The first connection hole 1101 and the engaging protrusion 1102 are sequentially arranged along the extension direction of the frame 200, so that the first buffer pad 110 and the frame 200 can be more stably combined, and the displacement or falling off of the first buffer pad 110 during the vibration process can be reduced.

[0038] Reference Figure 1~Figure 4As shown, in some examples of this embodiment, the engaging groove 1312 is in the shape of an elongated strip, and the extending direction of the engaging groove 1312 is the same as the axial direction of the cable through hole. It can be understood that in actual use, the fixing cable 300 is more likely to vibrate in its extending direction. Setting the extending direction of the engaging groove 1312 to be the same as the axial direction of the cable through hole helps to ensure that the first buffer pad 110 is more stably combined with the cable through connector 130 during use, and reduces the displacement or falling off of the first buffer pad 110 during the vibration process.

[0039] Reference Figure 1~Figure 4 As shown, in some examples of this embodiment, the cable through hole is located between the second connection hole 1311 and the fitting groove 1312. It can be understood that the fixing cable 300 may drive the cable through hole along the extension direction of the frame 200 (i.e. Figure 2 In order to prevent the lateral shaking of the fixing cable 300, the cable through hole is arranged between the second connecting hole 1311 and the fitting groove 1312, which helps to buffer the stress concentration caused by the lateral shaking of the fixing cable 300, and can also further ensure that the first buffer pad 110 does not shift.

[0040] It can be understood that the first buffer pad 110 can effectively buffer the stress concentration problem between the frame 200 and the cable connection member 130, but there may still be a large stress concentration on the side of the frame 200 away from the cable connection member 130. Figure 1 As shown, in some examples of this embodiment, the photovoltaic module fixing device further includes a second buffer pad 140, the second buffer pad 140 is provided with a third connection hole 1401, the second buffer pad 140 is used to be arranged on a side of the frame 200 away from the first buffer pad 110, and the first fastener 120 is also used to pass through the third connection hole 1401. By arranging the frame 200 between the first buffer pad 110 and the second buffer pad 140, it is helpful to buffer the stress on the two opposite sides of the frame 200 at the same time, thereby further improving the stress concentration problem of the photovoltaic module.

[0041] In some examples of this embodiment, the first buffer pad 110 may be a rubber pad. The rubber pad has good wear resistance and high elasticity, which not only can play a good buffering role, but also is not prone to wear, deformation or aging during long-term use, which helps to improve the long-term service life of the bracket system.

[0042] In some examples of this embodiment, the second buffer pad 140 may also be a rubber pad.

[0043] Reference Figure 1As shown, in some examples of this embodiment, the photovoltaic assembly fixing device may further include a fastening gasket, which may be disposed on a side of the second buffer pad 140 away from the first buffer pad 110, and the first fastener 120 is further used to penetrate the fastening gasket. Providing the fastening gasket can reduce the wear of the second buffer pad 140 and extend the service life of the second buffer pad 140. The fastening gasket may be a metal gasket.

[0044] Further, refer to Figure 1 As shown, in some examples of this embodiment, the photovoltaic module fixing device may further include a fastening washer. The fastening washer may be disposed on a side of the fastening gasket away from the second buffer pad 140. Providing the fastening washer can increase the friction between the first fastener 120 and the fastening gasket, thereby reducing the slippage of the fastening gasket, and ensuring that the photovoltaic module fixing device can be firmly combined with the frame 200.

[0045] The photovoltaic module fixing device of the above embodiment includes a first buffer pad 110, a first fastener 120 and a cable connector 130. In actual use, the first fastener 120 can pass through the frame 200, the first connection hole 1101 of the first buffer pad 110 and the second connection hole 1311 of the cable connector 130 in sequence, so that the frame 200 is fixed to the first buffer pad 110 and the cable connector 130, and the fixing cable 300 can be inserted into the cable through hole of the cable connector 130 so that the fixing cable 300 is fixedly connected to the frame 200. When the photovoltaic module and the fixing cable 300 oscillate, there is a local stress concentration between the frame 200 and the cable connector 130, and the first buffer pad 110 located between the two can disperse the stress through the buffering effect, thereby improving the stress concentration problem between the frame 200 and the cable connector 130. In addition, the first buffer pad 110 has an engaging protrusion 1102, which is embedded in the engaging groove 1312 of the cable connector 130. The engaging structure works together with the first fastener 120 to prevent the first buffer pad 110 and the cable connector 130 from relative slipping during the oscillation process, thereby maintaining the stability of the overall structure of the photovoltaic module fixing device and further improving the service life of the bracket system.

[0046] Furthermore, the present disclosure also provides a photovoltaic power generation device, which includes a fixing cable 300, a photovoltaic module and a photovoltaic module fixing device as described in the above embodiment, wherein the fixing cable 300 is passed through a cable through hole of the cable connector 130, and the first fastener 120 is passed through the third connection hole 1401, the frame 200, the first connection hole 1101 and the second connection hole 1311 in sequence.

[0047] The technical features of the above embodiments may be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above 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.

[0048] The above embodiments only express several implementation methods of the present disclosure, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the utility model patent. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present disclosure, and these all belong to the protection scope of the present disclosure. Therefore, the protection scope of the patent of the present disclosure shall be subject to the attached claims.

Claims

1. A photovoltaic module fixing device, used for connecting a fixing cable (300) and a frame (200) of a photovoltaic module, characterized in that: It comprises a first buffer pad (110), a first fastener (120) and a cable connection piece (130); The first buffer pad (110) is provided with a first connection hole (1101), the cable connection piece (130) is provided with a second connection hole (1311), and the first fastener (120) is used to sequentially pass through the frame (200), the first connection hole (1101), and the second connection hole (1311), so that the frame (200) is fixed to the first buffer pad (110) and the cable connection piece (130); The first buffer pad (110) has an engaging protrusion (1102) on one side close to the cable threading connector (130), the cable threading connector (130) has an engaging groove (1312) adapted to the engaging protrusion (1102), and the cable threading connector (130) is also provided with a cable threading through hole capable of allowing the fixing cable (300) to pass through.

2. The photovoltaic module fixing device according to claim 1, characterized in that: The first buffer pad (110) has a first end (111) and a second end (112) opposite to each other in the extension direction of the frame (200), and the first connection hole (1101) and the engaging protrusion (1102) are arranged in sequence between the first end (111) and the second end (112).

3. The photovoltaic module fixing device according to claim 2, characterized in that: The embedding groove (1312) is in the shape of an elongated strip, and the extending direction of the embedding groove (1312) is the same as the axial direction of the cable through hole.

4. The photovoltaic module fixing device according to claim 3, characterized in that: The cable through hole is located between the second connection hole (1311) and the fitting groove (1312).

5. The photovoltaic module fixing device according to any one of claims 1 to 4, characterized in that: The photovoltaic module fixing device further comprises a second buffer pad (140), the second buffer pad (140) being provided with a third connection hole (1401), the second buffer pad (140) being used to be arranged on a side of the frame (200) away from the first buffer pad (110), and the first fastener (120) being further used to pass through the third connection hole (1401).

6. The photovoltaic module fixing device according to claim 5, characterized in that: The first buffer pad (110) is a rubber pad; and / or, The second buffer pad (140) is a rubber pad.

7. The photovoltaic module fixing device according to any one of claims 1 to 4 and 6, characterized in that: The cable-threading connection piece (130) comprises a first fixing block (131) and a second fixing block (132) which are used in conjunction with each other and are separable, the first fixing block (131) being provided with a cable-threading slot (1313), the second fixing block (132) having a cable-threading support surface (1321), the cable-threading support surface (1321) being able to enclose the cable-threading slot (1313) to form the cable-threading through hole.

8. The photovoltaic module fixing device according to claim 7, characterized in that: The first fixing block (131) comprises a first supporting portion (1310), the fitting groove (1312) and the second connecting hole (1311) are both arranged on the first supporting portion (1310), and the fitting groove (1312) and the cable passing groove (1313) are respectively arranged on opposite sides of the first fixing block (131).

9. The photovoltaic module fixing device according to claim 8, characterized in that: The first fixing block (131) further comprises a first buckling portion (1314) connected to one end of the first supporting portion (1310); the second fixing block (132) comprises a second supporting portion (1320) and a second buckling portion (1322) connected to one end of the second supporting portion (1320); the first buckling portion (1314) is capable of abutting against the second buckling portion (1322) so that the cable support surface (1321) and the cable passage slot (1313) are enclosed; and / or, The photovoltaic module fixing device further comprises a second fastener (150); the first fixing block (131) is further provided with a first fixing hole (1315); the second fixing block (132) is further provided with a second fixing hole (1323); the second fastener (150) is used to sequentially pass through the second fixing hole (1323) and the first fixing hole (1315) to connect the first fixing block (131) and the second fixing block (132).

10. A photovoltaic power generation device, characterized in that: It comprises a fixing cable (300), a photovoltaic module and a photovoltaic module fixing device according to any one of claims 1 to 9, wherein the fixing cable (300) is inserted into the cable through hole of the cable insertion connector (130), and the first fastener (120) is inserted into the frame (200), the first connection hole (1101) and the second connection hole (1311) in sequence.

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