Special bracket for double-sided photovoltaic module

Abstract

The invention relates to the technical field of double-sided photovoltaic modules, and discloses a bracket special for a double-sided photovoltaic module, the bracket comprises a mounting plate, a movable plate, a movable frame and a double-sided photovoltaic panel, the top end of the mounting plate is welded with a U-shaped frame, the movable plate is located in the U-shaped frame, a reflector is fixedly embedded in the movable plate, the movable frame is located above the movable plate, and the double-sided photovoltaic panel is located above the movable plate. Limiting grooves are formed in the two inner walls of the movable frame. According to the scheme, the driving gear is driven to rotate through the power shaft of the positive and negative rotation motor, the driving gear drives the two driven gears to rotate, the two driven gears can drive two rotating shafts to rotate through the two connecting shafts in the rotating process, the two rotating shafts can drive the movable plate and the movable frame to deflect, and therefore angle adjustment is conducted on the movable plate and the movable frame; and meanwhile, the reflecting plate and the double-sided photovoltaic panel are in a parallel state, and the two driven gears and the driving gear are fixed by utilizing the limiting pieces, so that the rotating of the two driven gears and the driving gear is prevented.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of bifacial photovoltaic modules, in particular to a special support for bifacial photovoltaic modules. BACKGROUND

[0002] With the rapid development of the photovoltaic industry and the continuous progress of related technology, in order to improve the power generation efficiency of photovoltaic power stations, bifacial photovoltaic modules have emerged. Compared with traditional single-sided photovoltaic modules, the bifacial photovoltaic module makes the original whole back electrode not transparent into a transparent grid line, and through doping means, the back of the silicon wafer in the photovoltaic module is made into a PN junction, so that the front and back of the photovoltaic module can both perform photoelectric conversion. The bifacial photovoltaic module needs to be supported by a fixed support. The traditional bifacial module fixed support is composed of multiple fixed rods which are horizontally and vertically spliced. At this time, the weight of the whole support is large, and its angle is not convenient to adjust, and it will directly block the back of the photovoltaic module, thereby affecting the area of the back of the photovoltaic module receiving reflected light and reducing the system power generation. SUMMARY

[0003] In order to solve the above-mentioned problems of the traditional bifacial module fixed support, which is heavy and inconvenient to adjust the angle, and directly blocks the back of the photovoltaic module, thereby affecting the area of the back of the photovoltaic module receiving reflected light and reducing the system power generation, the present application provides a special support for bifacial photovoltaic modules.

[0004] The special support for bifacial photovoltaic modules provided by the present application adopts the following technical scheme:

[0005] A special support for bifacial photovoltaic modules, comprising a mounting plate, a movable plate, a movable frame and a bifacial photovoltaic panel, the top end of the mounting plate is welded with a U-shaped frame, the movable plate is located inside the U-shaped frame, the inside of the movable plate is fixedly embedded with a reflector plate, the movable frame is located above the movable plate, two inner walls of the movable frame are provided with limiting grooves, the two ends of the bifacial photovoltaic panel are movably inserted into the two limiting grooves, respectively, two ends of the movable frame are provided with fixing members for limiting the bifacial photovoltaic panel, two sides of the U-shaped frame are provided with circular holes, two sides of the movable plate and two sides of the movable frame are welded with rotating shafts, limiting bearings for limiting the four rotating shafts are installed in the four circular holes, a reversible motor is fixedly installed on the middle of the other side of the U-shaped frame through a mounting member, a protective member is installed on the top end of the other side of the U-shaped frame, a driving gear is fixedly sleeved on the power shaft end of the reversible motor, one end of each of the two rotating shafts is welded with a connecting shaft, one end of each of the two connecting shafts is fixedly sleeved with a driven gear, the two driven gears are engaged with the driving gear, and the bottom of the protective member is provided with a limiting member for limiting one of the driven gears.

[0006] Preferably, the two fixing members each comprise a plug and a bolt A, one end of each of the two plugs is movably inserted into the two limiting grooves, one end of each of the two plugs abuts one side of the bifacial photovoltaic panel, one side of each of the two plugs abuts two ends of the movable frame, the two bolts A are respectively threaded through the two plugs, and the two bolts A are respectively screwed with the two ends of the movable frame.

[0007] Preferably, the outer bearing rings of the four limiting bearings are fixedly installed inside the four circular holes, and the inner bearing rings of the four limiting bearings are fixedly sleeved on the outer surfaces of the four rotating shafts.

[0008] Preferably, the mounting member comprises two mounting blocks, a mounting plate and four bolts C, the two mounting blocks are respectively welded on the front side and the back side of the L-shaped frame, the mounting plate is located on one side of the L-shaped frame, the reversible motor is fixedly installed on one side of the mounting plate, the four bolts C are all threaded through the mounting plate, and the four bolts C are respectively screwed with the top end and the bottom end of one side of the two mounting blocks.

[0009] Preferably, the protection member comprises a protection frame, two connecting blocks and two bolts D, the protection frame is located on one side of the L-shaped frame, the two connecting blocks are respectively welded on the top end and the bottom end of the protection frame, the two bolts D are respectively threaded through the two connecting blocks, and the two bolts D are all screwed with the L-shaped frame.

[0010] Preferably, the limiting member comprises a threaded column, a limiting pin and a nut, the threaded column is welded on one end of the bottom of the protection frame, a rectangular hole is formed in the middle of the bottom of the protection frame, the limiting pin is movably inserted through the rectangular hole, the limiting pin is movably sleeved on the outside of the threaded column, and the nut is threaded on the outer surface of the threaded column.

[0011] Preferably, four corners of the top end of the mounting plate are provided with through holes, and the four through holes are movably inserted through the bolts B.

[0012] In summary, the bifacial photovoltaic panel angle adjusting device has the following beneficial technical effects: the power shaft of the reversible motor drives the driving gear to rotate, the driving gear drives the two driven gears to rotate, the two driven gears drive the two rotating shafts to rotate through the two connecting shafts in the process of rotation, and the two rotating shafts drive the movable plate and the movable frame to deflect, so that the angle of the bifacial photovoltaic panel is adjusted, the reflecting plate is parallel to the bifacial photovoltaic panel, the limiting member is used to fix the two driven gears and the driving gear, and rotation of the two driven gears and the driving gear is prevented; compared with the prior art, the bifacial photovoltaic panel angle adjusting device has a simple structure and is convenient for angle adjustment of the bifacial photovoltaic panel, and in addition, after the reflecting plate is arranged, the back surface of the bifacial photovoltaic panel can also fully absorb light energy under the condition that the top surface of the bifacial photovoltaic panel fully absorbs light energy. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is the overall structure schematic diagram of the application embodiment one.

[0014] Figure 2 is the side view structure schematic diagram of the application embodiment one.

[0015] Figure 3 is the rear view structure schematic diagram of the application embodiment one.

[0016] Figure 4 is the partial structure schematic diagram of the application embodiment one.

[0017] Figure 5 is the split structure schematic diagram of the plug-in block, bolt A and movable frame in the application embodiment one.

[0018] Figure 6 is the enlarged structure schematic diagram of A in the application embodiment one. Figure 3

[0019] Legend: 11, mounting plate; 12, U-shaped frame; 13, bolt B; 21, movable plate; 22, reflector plate; 31, movable frame; 32, double-sided photovoltaic panel; 4, fixing piece; 41, plug-in block; 42, bolt A; 51, rotating shaft; 52, limit bearing; 53, forward and reverse motor; 54, driving gear; 55, connecting shaft; 56, driven gear; 6, mounting piece; 61, mounting block; 62, mounting plate; 63, bolt C; 7, protection piece; 71, protection frame; 72, connecting block; 73, bolt D; 8, limiting piece; 81, threaded column; 82, limit pin; 83, nut. DETAILED DESCRIPTION

[0020] The following will be combined with the attached Figure 1 -attached Figure 6 The application is further described in detail.

[0021] Embodiment one:

[0022] A special bracket for double-sided photovoltaic module, referring to Figures 1-6 ​The top end of the mounting plate 11 is welded with a U-shaped frame 12, four corners of the top end of the mounting plate 11 are provided with through holes, the inside of the four through holes is movably penetrated by a bolt B13, rotating the four bolts B13 can be screwed with the external mounting frame, so as to install the mounting plate 11 on the external mounting frame, the movable plate 21 is located inside the U-shaped frame 12, the inside of the movable plate 21 is fixedly embedded with a reflector 22, the reflector 22 can be used to reflect light, the movable frame 31 is located above the movable plate 21, and the movable frame 31 and the movable plate 21 are in parallel, two inner walls of the movable frame 31 are provided with limiting grooves, two ends of the double-sided photovoltaic panel 32 are movably inserted into the two limiting grooves respectively, and the double-sided photovoltaic panel 32 and the reflector 22 are in parallel, two ends of the movable frame 31 are provided with fixing pieces 4 for limiting the double-sided photovoltaic panel 32, the two fixing pieces 4 are composed of an insertion block 41 and a bolt A42, one end of the two insertion blocks 41 is movably inserted into the two limiting grooves respectively, one end of the two insertion blocks 41 abuts against one side of the double-sided photovoltaic panel 32, one side of the two insertion blocks 41 abuts against two ends of the movable frame 31 respectively, the two bolts A42 are screwed through the two insertion blocks 41 respectively, and the two bolts A42 are screwed with two ends of the movable frame 31 respectively, so as to fix the double-sided photovoltaic panel 32 in the inside of the movable frame 31;

[0023] Referring to Figures 1-4 Two sides of the U-shaped frame 12 are provided with round holes, two sides of the movable plate 21 and two sides of the movable frame 31 are welded with rotating shafts 51, the inside of the four round holes is provided with limiting bearings 52 for limiting the four rotating shafts 51, the outer bearing rings of the four limiting bearings 52 are fixedly installed in the inside of the four round holes, and the inner bearing rings of the four limiting bearings 52 are fixedly sleeved on the outer surfaces of the four rotating shafts 51, so that the four rotating shafts 51 can only drive the movable plate 21 and the movable frame 31 to rotate in pairs, and the middle of the other side of the U-shaped frame 12 is fixedly installed with a forward and reverse motor 53 through a mounting piece 6, the mounting piece 6 is composed of two mounting blocks 61, a mounting plate 62 and four bolts C63, the two mounting blocks 61 are welded on the front side and the back side of the U-shaped frame 12 respectively, the mounting plate 62 is located on one side of the U-shaped frame 12, the forward and reverse motor 53 is fixedly installed on one side of the mounting plate 62, the four bolts C63 are screwed through the mounting plate 62, and the four bolts C63 are screwed with the top end and the bottom end of one side of the two mounting blocks 61 respectively, so as to install the forward and reverse motor 53 on the movable plate 21, and the forward and reverse motor 53 is electrically connected with an external power supply through an external switch, and the model of the used forward and reverse motor 53 is preferably TCH(V)22-100-140CB type;

[0024] Referring to Figures 3-6The top end of the other side of the U-shaped frame 12 is provided with a protection piece 7, the power shaft end of the forward and reverse motor 53 is fixedly sleeved with a driving gear 54, one end of each of the two rotating shafts 51 is welded with a connecting shaft 55, one end of each of the two connecting shafts 55 is fixedly sleeved with a driven gear 56, the two driven gears 56 are in mesh with the driving gear 54, the driving gear 54 is driven to rotate by the power shaft of the forward and reverse motor 53 under the control of an external switch, the driving gear 54 drives the two driven gears 56 to rotate, the two driven gears 56 can drive the two rotating shafts 51 to rotate through the two connecting shafts 55 in the process of rotation, the two rotating shafts 51 can drive the movable plate 21 and the movable frame 31 to deflect, so that the angle adjustment is realized, at the same time, the light board 22 and the double-sided photovoltaic panel 32 are in a parallel state, the light can be continuously reflected on the back of the double-sided photovoltaic panel 32, so that the light energy is continuously absorbed by the back of the double-sided photovoltaic panel 32, the bottom of the protection piece 7 is provided with a limiting piece 8 for limiting one of the driven gears 56, the protection piece 7 is composed of a protection frame 71, two connecting blocks 72 and two bolts D73, the protection frame 71 is located on one side of the U-shaped frame 12, the two connecting blocks 72 are welded at the top end and the bottom end of the protection frame 71 respectively, the two bolts D73 are threaded through the two connecting blocks 72 respectively, and the two bolts D73 are in threaded connection with the U-shaped frame 12, so that the protection frame 71 can be installed on one side of the movable plate 21, and the protection frame 71 can protect the forward and reverse motor 53, the driving gear 54 and the two driven gears 56, the limiting piece 8 is composed of a threaded column 81, a limiting pin 82 and a nut 83, the threaded column 81 is welded at one end of the bottom of the protection frame 71, a rectangular hole is formed in the middle of the bottom end of the protection frame 71, the limiting pin 82 is movably penetrated through the rectangular hole, the limiting pin 82 is movably sleeved on the outside of the threaded column 81, and the nut 83 is threaded on the outer surface of the threaded column 81, when the nut 83 is rotated to abut against the limiting pin 82 to ascend, one end of the limiting pin 82 is inserted into the tooth groove of the driven gear 56, so that the two driven gears 56 and the driving gear 54 are fixed, and rotation of them is prevented.

[0025] The above describes the exemplary embodiment of the special support for the double-sided photovoltaic module provided by the present disclosure with reference to the preferred embodiment, however, those skilled in the art can understand that various modifications and changes can be made to the above specific embodiment without departing from the concept of the present disclosure, and various technical features and structures proposed by the present disclosure can be combined without exceeding the protection scope of the present disclosure, and the protection scope of the present disclosure is determined by the appended claims.

Claims

1. A special bracket for bifacial photovoltaic modules, comprising a mounting plate (11), a movable plate (21), a movable frame (31), and bifacial photovoltaic panels (32), characterized in that, The top of the mounting plate (11) is welded with a U-shaped frame (12). The movable plate (21) is located inside the U-shaped frame (12). A reflector (22) is fixedly embedded inside the movable plate (21). The movable frame (31) is located above the movable plate (21). Limiting grooves are opened on two inner walls of the movable frame (31). The two ends of the double-sided photovoltaic panel (32) are respectively movably inserted into the two limiting grooves. Fixing members (4) for limiting the double-sided photovoltaic panel (32) are provided at both ends of the movable frame (31). Circular holes are opened on both sides of the U-shaped frame (12). Rotating shafts (51) are welded on both sides of the movable plate (21) and both sides of the movable frame (31). The inside of each round hole is equipped with a limiting bearing (52) for limiting the four rotating shafts (51). The middle part of the other side of the shaped frame (12) is fixedly installed with a forward and reverse motor (53) by a mounting part (6). The top of the other side of the shaped frame (12) is equipped with a protective part (7). The end of the power shaft of the forward and reverse motor (53) is fixedly fitted with a drive gear (54). One end of each of the two rotating shafts (51) is welded with a connecting shaft (55). One end of each of the two connecting shafts (55) is fixedly fitted with a driven gear (56). Both driven gears (56) mesh with the drive gear (54). The bottom of the protective part (7) is provided with a limiting part (8) for limiting one of the driven gears (56).

2. The special bracket for bifacial photovoltaic modules according to claim 1, characterized in that: Each of the two fasteners (4) consists of a plug (41) and a bolt A (42). One end of each plug (41) is movably inserted into the two limiting grooves. One end of each plug (41) abuts against one side of the double-sided photovoltaic panel (32). One side of each plug (41) abuts against one end of the movable frame (31). The two bolts A (42) are threaded through the two plugs (41) respectively. The two bolts A (42) are threaded to one end of the movable frame (31) respectively.

3. The special bracket for bifacial photovoltaic modules according to claim 1, characterized in that: The outer bearing rings of the four limiting bearings (52) are respectively fixedly installed inside the four circular holes, and the inner bearing rings of the four limiting bearings (52) are respectively fixedly sleeved on the outer surface of the four rotating shafts (51).

4. The special bracket for bifacial photovoltaic modules according to claim 1, characterized in that: The mounting component (6) consists of two mounting blocks (61), a mounting plate (62), and four bolts C (63). The two mounting blocks (61) are welded to the front and back sides of the shaped frame (12), respectively. The mounting plate (62) is located on one side of the shaped frame (12). The forward and reverse motor (53) is fixedly installed on one side of the mounting plate (62). The four bolts C (63) are threaded through the mounting plate (62). The four bolts C (63) are threaded to the top and bottom ends of one side of the two mounting blocks (61), respectively.

5. A special bracket for bifacial photovoltaic modules according to claim 4, characterized in that: The protective component (7) consists of a protective frame (71), two connecting blocks (72) and two bolts D (73). The protective frame (71) is located on one side of the swivel frame (12). The two connecting blocks (72) are welded to the top and bottom of the protective frame (71) respectively. The two bolts D (73) are threaded through the two connecting blocks (72) respectively. Both bolts D (73) are threadedly connected to the swivel frame (12).

6. A special bracket for bifacial photovoltaic modules according to claim 1, characterized in that: The limiting component (8) consists of a threaded post (81), a limiting pin (82), and a nut (83). The threaded post (81) is welded to one end of the bottom of the protective frame (71). A rectangular hole is provided in the middle of the bottom of the protective frame (71). The limiting pin (82) is movably inserted through the rectangular hole. The limiting pin (82) is movably sleeved on the outside of the threaded post (81). The nut (83) is threadedly sleeved on the outer surface of the threaded post (81).

7. A special bracket for bifacial photovoltaic modules according to claim 1, characterized in that: The mounting plate (11) has through holes at its four corners, and bolts B (13) are movably inserted through the four through holes.

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