阅读说明：本技术 一种折叠太阳能光伏发电板 (Folding solar photovoltaic power generation board ) 是由 王振锋 高吉伟 王建晨 马辉 于 2021-09-15 设计创作，主要内容包括：本发明涉及一种折叠太阳能光伏发电板,包括第一光伏板及与其可折叠在一起的第二光伏板,所述第一光伏板下侧面设有固定板,该固定板中部开设有十字卡槽,该十字卡槽周边依次设于第一卡接位、第二卡接位、第三卡接位和第四卡接位,且十字卡槽中部设有转盘,该转盘外端设有第一叉槽,该第一叉槽内摆动连接有拨动组件,该拨动组件向第二光伏板方向延伸。通过丝杆和螺母的设置,通过第二光伏板绕第二叉槽处旋转摆动,使两块光伏板的底面相对,且保持两块光伏板平行,此时,拨动手柄,使螺母沿丝杆向手柄方向移动,从而,可将第一光伏板和第二光伏板叠合在一起,便于运输和存储,相比较单个的光伏板更方便管理。(The invention relates to a folding solar photovoltaic power generation board, which comprises a first photovoltaic board and a second photovoltaic board which can be folded together with the first photovoltaic board, wherein a fixing plate is arranged on the lower side surface of the first photovoltaic board, a cross clamping groove is formed in the middle of the fixing plate, the periphery of the cross clamping groove is sequentially arranged at a first clamping position, a second clamping position, a third clamping position and a fourth clamping position, a rotary table is arranged in the middle of the cross clamping groove, a first fork groove is formed in the outer end of the rotary table, a shifting assembly is connected in the first fork groove in a swinging mode, and the shifting assembly extends towards the direction of the second photovoltaic board. Through the setting of lead screw and nut, through the rotatory swing of second photovoltaic board around second fork groove department, make the bottom surface of two photovoltaic boards relative, and keep two photovoltaic boards parallel, at this moment, stir the handle, make the nut remove to the handle direction along the lead screw to, can be in the same place first photovoltaic board and the superposition of second photovoltaic board, be convenient for transportation and storage, the single photovoltaic board of comparison is more convenient to manage.)

1. A folding solar photovoltaic power generation board comprises a first photovoltaic board (1) and a second photovoltaic board (2) which can be folded together with the first photovoltaic board, and is characterized in that a fixing plate (3) is arranged on the lower side surface of the first photovoltaic board (1), a cross clamping groove (4) is formed in the middle of the fixing plate (3), the periphery of the cross clamping groove (4) is sequentially arranged on a first clamping position (41), a second clamping position (42), a third clamping position (43) and a fourth clamping position (44), a rotary disc (5) is arranged in the middle of the cross clamping groove (4), a first fork groove (51) is formed in the outer end of the rotary disc (5), a stirring component (6) is connected in the first fork groove (51) in a swinging mode, the stirring component (6) extends towards the direction of the second photovoltaic board (2), an accommodating frame body (7) is arranged on the lower side surface of the second photovoltaic board (2), a screw rod (8) is rotatably arranged on the accommodating frame body (7) along the length direction, the outer end of the screw rod (8) is provided with a handle (901), the screw rod (8) is sleeved with a nut (9), the outer end of the nut (9) is provided with a second fork groove (91), wherein one end of the toggle assembly (6) is rotatably connected in the first fork groove (51), and the other end of the toggle assembly is connected in the second fork groove (91) in a swinging mode.

2. The folded solar photovoltaic panel of claim 1, wherein: the toggle assembly (6) comprises a sleeve (61) and a push-pull rod (62) capable of adjusting the position along the inner cavity of the sleeve (61) in a sliding mode, the cross section of the push-pull rod (62) is of a square structure, and a first fastening bolt (63) is arranged on the outer side of the sleeve (61).

3. The folded solar photovoltaic panel of claim 2, wherein: the outside edge of first photovoltaic board (1) downside is equipped with first joint subassembly (10), second joint subassembly (11), third joint subassembly (12) and fourth joint subassembly (13) in proper order, and wherein, first joint subassembly (10) correspond the setting with first joint position (41), and second joint subassembly (11) correspond the setting with second joint position (42), and third joint subassembly (12) correspond the setting with third joint position (43), and fourth joint subassembly (13) correspond the setting with fourth joint position (44).

4. The folded solar photovoltaic panel of claim 3, wherein: first joint subassembly (10), second joint subassembly (11), third joint subassembly (12) and fourth joint subassembly (13) the structure unanimous, wherein, first joint subassembly (10) includes casing (101), this casing (101) middle part has been seted up and has been held the chamber, should hold the intracavity and correspond and be equipped with first grip block (102) and second grip block (103), and form V type structure between first grip block (102) and second grip block (103) upper end, the lower extreme of this first grip block (102) and second grip block (103) can swing through pivot (104) and connect, and be equipped with compression spring (105) between first grip block (102) and second grip block (103).

5. The folded solar photovoltaic panel of claim 4, wherein: the middle of the side face of the first photovoltaic panel (1) is provided with a groove (1001), the side face of the second photovoltaic panel (2) is correspondingly provided with a protrusion (1002), and the protrusion (1002) is matched with the groove (1001).

6. The folded solar photovoltaic panel of claim 4, wherein: and a cover plate (106) is arranged at the upper port of the accommodating cavity of the shell (101).

7. The folded solar photovoltaic panel of claim 5, wherein: and a second fastening bolt (14) is arranged on the push-pull rod (62), the end part of the second fastening bolt (14) penetrates through the push-pull rod (62), a limiting plate (15) is connected to the end part of the second fastening bolt (14), and the limiting plate (15) is positioned between the screw rod (8) and the push-pull rod (62).

Technical Field

The invention relates to the technical field of photovoltaic power generation, in particular to a folding solar photovoltaic power generation board.

Background

The solar photovoltaic power generation system is a novel power generation system which directly converts solar radiation energy into electric energy by utilizing the photovoltaic effect of a solar cell semiconductor material, and has two modes of independent operation and grid-connected operation. The photovoltaic power generation system which operates independently needs a storage battery as an energy storage device and is mainly used in remote areas without a power grid and in regions with dispersed population, and the whole system has high manufacturing cost; in the area with the public power grid, the photovoltaic power generation system is connected with the power grid and operated in a grid-connected mode, so that a storage battery is omitted, the manufacturing cost can be greatly reduced, and the photovoltaic power generation system has higher power generation efficiency and better environmental protection performance.

Most of the existing photovoltaic power generation boards are integral and not foldable, so that the photovoltaic power generation boards are inconvenient to carry and transport and poor in installation flexibility.

In order to solve the problems, the invention provides a folding solar photovoltaic power generation panel.

Disclosure of Invention

(1) Technical problem to be solved

The invention aims to overcome the defects of the prior art, adapt to the practical requirements and provide a folding solar photovoltaic power generation plate so as to solve the technical problems.

(2) Technical scheme

In order to realize the purpose of the invention, the technical scheme adopted by the invention is as follows:

a folding solar photovoltaic power generation plate comprises a first photovoltaic plate and a second photovoltaic plate which can be folded together with the first photovoltaic plate, wherein a fixing plate is arranged on the lower side surface of the first photovoltaic plate, the middle part of the fixed plate is provided with a cross clamping groove, the periphery of the cross clamping groove is sequentially provided with a first clamping position, a second clamping position, a third clamping position and a fourth clamping position, the middle part of the cross clamping groove is provided with a turntable, the outer end of the turntable is provided with a first fork groove, a poking component is connected in the first fork groove in a swinging way and extends towards the direction of the second photovoltaic panel, the lower side surface of the second photovoltaic panel is provided with a containing frame body, the containing frame body is rotatably provided with a screw rod along the length direction, the outer end of the screw rod is provided with a handle, the screw rod is sleeved with a nut, the outer end of the nut is provided with a second fork groove, wherein, one end of the toggle assembly is rotatably connected in the first fork groove, and the other end of the toggle assembly is connected in the second fork groove in a swinging manner.

Furthermore, the poking assembly comprises a sleeve and a push-pull rod capable of adjusting the position along the inner cavity of the sleeve in a sliding mode, the cross section of the push-pull rod is of a square structure, and a first fastening bolt is arranged on the outer side of the sleeve.

Furthermore, the outside edge of the lower side surface of the first photovoltaic panel is sequentially provided with a first clamping assembly, a second clamping assembly, a third clamping assembly and a fourth clamping assembly, wherein the first clamping assembly corresponds to the first clamping position, the second clamping assembly corresponds to the second clamping position, the third clamping assembly corresponds to the third clamping position, and the fourth clamping assembly corresponds to the fourth clamping position.

Further, the structure of first joint subassembly, second joint subassembly, third joint subassembly and fourth joint subassembly is unanimous, wherein, first joint subassembly includes the casing, this casing middle part has been seted up and has been held the chamber, should hold the intracavity and correspond and be equipped with first grip block and second grip block, and form V type structure between first grip block and the second grip block upper end, the connection can be swung through the pivot to the lower extreme of this first grip block and second grip block to be equipped with compression spring between first grip block and second grip block.

Furthermore, the middle part of the side surface of the first photovoltaic plate is provided with a groove, the side surface of the second photovoltaic plate is correspondingly provided with a protrusion, and the protrusion is matched with the groove.

Furthermore, the upper port of the containing cavity of the shell is provided with a cover plate.

Furthermore, a second fastening bolt is arranged on the push-pull rod, the end of the second fastening bolt penetrates through the push-pull rod, a limiting plate is connected to the end of the second fastening bolt, and the limiting plate is located between the screw rod and the push-pull rod.

(3) Has the advantages that:

through the setting of lead screw and nut, through the rotatory swing of second photovoltaic board around second fork groove department, make the bottom surface of two photovoltaic boards relative, and keep two photovoltaic boards parallel, at this moment, stir the handle, make the nut remove to the handle direction along the lead screw to, can be in the same place first photovoltaic board and the superposition of second photovoltaic board, be convenient for transportation and storage, the single photovoltaic board of comparison is more convenient to manage.

Through the arrangement of the shifting assembly and the cross clamping groove, because the working environment of the photovoltaic panels is outdoor, most photovoltaic panels are positioned in an open region, the temperature difference between day and night is large, and the influence of the environment is obvious, a gap is reserved between two adjacent photovoltaic panels to resist the influence of thermal expansion and cold contraction, in the actual installation process, the size of the gap between the two adjacent photovoltaic panels is not well controlled, firstly, the size of the gap is not well controlled, secondly, the parallelism of the edges of the two adjacent photovoltaic panels is not well controlled, the integral installation quality of the photovoltaic panels is poor, and therefore hidden dangers are buried for later use, in the invention, the first photovoltaic panel and the second photovoltaic panel which are adjacent are connected together through the shifting assembly, after the first photovoltaic panel and the second photovoltaic panel are flattened, the screw rod is driven to rotate through the shifting handle, and further, the nut can be driven to move back and forth along the front position, therefore, the size of the gap between two adjacent photovoltaic panels is convenient to adjust, and the shifting assembly is limited in the clamping position at the periphery of the cross clamping groove, so that the situation that the first photovoltaic panel deviates left and right in the moving process relative to the second photovoltaic panel is avoided.

Through the arrangement of the turnplate, in order to form a photovoltaic power station, a plurality of photovoltaic panels need to be arranged side by side, gaps between two adjacent photovoltaic panels need to be uniform and reasonable, the two photovoltaic panels cannot incline or stagger, the widths of the adjacent photovoltaic panels need to be consistent, in the actual arrangement process, in order to avoid the problems, after one photovoltaic panel is fixed at a good position, the side condition of the adjacent photovoltaic panel needs to be continuously compared with the photovoltaic panel at the good position until a proper side is found to correspond to the photovoltaic panel, because the operation process is carried out at high altitude, the operation process looks simple and has great influence on the installation efficiency actually, in the invention, the position of the second photovoltaic panel can be fixed firstly, then, one side of the first photovoltaic panel is matched with the side of the second photovoltaic panel, if the side of the first photovoltaic panel is not proper, the first photovoltaic panel can be rotated by 90 degrees around the turnplate, the adjacent sides are changed for adaptation, and the four sides of the first photovoltaic panel can be adapted in sequence until a relatively best adaptation effect is found.

Through first joint subassembly, the second joint subassembly, the setting of third joint subassembly and fourth joint subassembly, with first photovoltaic board hasp on the support frame, convenient operation is swift, and press from both sides tight effect and also can reach the requirement, after the rigidity of first photovoltaic board, the position of second photovoltaic board has also been confirmed thereupon naturally, and through the V type structure that forms between first grip block and the second grip block upper end, be convenient for on the leading-in braced skeleton, and through the setting of compression spring and grip block structure, can avoid droing.

Through the setting of limiting plate, after the relative position adjustment of first photovoltaic board and second photovoltaic board, utilize second fastening bolt to drive the limiting plate and remove to the lead screw direction, and support the limiting plate and press on the lead screw, can avoid the lead screw oneself to take place rotatoryly, and cause the position of adjusting to change.

Drawings

FIG. 1 is a schematic structural view of the bottom of a folded solar photovoltaic panel according to the present invention;

FIG. 2 is a schematic structural diagram of a cross-shaped clamping groove of the folding solar photovoltaic power generation panel;

FIG. 3 is a schematic structural diagram of a toggle assembly of the folding solar photovoltaic panel of the present invention;

FIG. 4 is a schematic structural diagram of a nut of the folding solar photovoltaic panel according to the present invention;

FIG. 5 is a schematic structural diagram of a first clamping assembly of the foldable solar photovoltaic panel according to the present invention;

fig. 6 is a schematic diagram showing a state in which a first photovoltaic panel and a second photovoltaic panel of the folding solar photovoltaic panel of the invention are separated from each other.

The reference numbers are as follows:

1-a first photovoltaic panel, 2-a second photovoltaic panel, 3-a fixing plate, 4-a cross clamping groove, 41-a first clamping position, 42-a second clamping position, 43-a third clamping position, 44-a fourth clamping position, 5-a turntable, 51-a first fork groove, 6-a toggle assembly, 61-a sleeve, 62-a push-pull rod, 63-a first fastening bolt, 7-a containing frame body, 8-a screw rod, 9-a nut, 91-a second fork groove, 10-a first clamping assembly, 101-a housing, 102-a first clamping block, 103-a second clamping block, 104-a rotating shaft, 105-a compression spring, 106-a cover plate, 11-a second clamping assembly, 12-a third clamping assembly, 13-a fourth clamping assembly, 14-a second fastening bolt, 15-limiting plate, 901-handle, 1001-groove and 1002-protrusion.

Detailed Description

The invention will be further illustrated with reference to the following figures 1-6 and examples:

a folding solar photovoltaic power generation board comprises a first photovoltaic board 1 and a second photovoltaic board 2 which can be folded together with the first photovoltaic board 1, wherein a fixed board 3 is arranged on the lower side surface of the first photovoltaic board 1, a cross-shaped clamping groove 4 is formed in the middle of the fixed board 3, the periphery of the cross-shaped clamping groove 4 is sequentially arranged on a first clamping position 41, a second clamping position 42, a third clamping position 43 and a fourth clamping position 44, a rotary disc 5 is arranged in the middle of the cross-shaped clamping groove 4, a first fork groove 51 is formed in the outer end of the rotary disc 5, a poking component 6 is connected in a swinging mode in the first fork groove 51, the poking component 6 extends towards the second photovoltaic board 2, an accommodating frame body 7 is arranged on the lower side surface of the second photovoltaic board 2, a lead screw 8 is arranged in the accommodating frame body 7 in a rotating mode in the length direction, a handle 901 is arranged at the outer end of the lead screw 8, a nut 9 is sleeved on the lead screw 8, a second fork groove 91 is arranged at the outer end of the nut 9, wherein one end of the poking component 6 is connected in the first fork groove 51 in a rotating mode, the other end is connected in the second fork groove 91 in a swinging way. Through second photovoltaic board 2 around second fork groove 91 department rotatory swing, make the bottom surface of two photovoltaic boards relative, and keep two photovoltaic boards parallel, at this moment, stir handle 901, make nut 9 remove to handle 901 direction along lead screw 8 to, can be in the same place first photovoltaic board 1 and the superposition of second photovoltaic board 2, be convenient for transportation and storage, the single photovoltaic board of comparison is more convenient to manage.

Because the working environment of the photovoltaic panel is outdoor, most photovoltaic panels are located in an open region, the temperature difference between day and night is large, and the influence of the environment is obvious, a gap is reserved between two adjacent photovoltaic panels to resist the influence of expansion with heat and contraction with cold, in the actual installation process, the size of the gap between the two adjacent photovoltaic panels is not well controlled, firstly, the size of the gap is not well controlled, secondly, the parallelism of the edges of the two adjacent photovoltaic panels is not well controlled, the overall installation quality of the photovoltaic panels is poor, and therefore hidden dangers are buried for later use, in the invention, the first photovoltaic panel 1 and the second photovoltaic panel 2 which are adjacent are connected together through the poking component 6, after the first photovoltaic panel 1 and the second photovoltaic panel 2 are unfolded, the screw rod 8 is driven to rotate through the poking handle 901, and then the nut 9 can be driven to move back and forth along the screw rod 8, so that the screw rod moves back and forth, the clearance size of two adjacent photovoltaic boards is conveniently adjusted, moreover, stir subassembly 6 restriction in the peripheral joint position of this cross draw-in groove 4, avoid first photovoltaic board 1 to take place the condition of side to side beat in the relative second photovoltaic board 2 removal process.

In order to form a photovoltaic power station, a plurality of photovoltaic panels are required to be arranged side by side, gaps between two adjacent photovoltaic panels are required to be uniform and reasonable, the two photovoltaic panels cannot be inclined or staggered, the widths of the adjacent photovoltaic panels are also consistent, in the actual arrangement process, in order to avoid the problems, after one photovoltaic panel is fixed at a certain position, the side condition of the photovoltaic panel adjacent to the photovoltaic panel needs to be continuously compared with the photovoltaic panel at the fixed position until a proper side is found to correspond to the photovoltaic panel, because the operation process is simple at high altitude, the installation efficiency is greatly influenced actually, in the invention, the position of the second photovoltaic panel 2 can be fixed firstly, then, one side of the first photovoltaic panel 1 is matched with the side of the second photovoltaic panel 2, if the side of the first photovoltaic panel 1 is not proper, the first photovoltaic panel 1 can be rotated by 90 degrees around the turntable 5, the four sides of the first photovoltaic panel 1 can be adapted in sequence until a relatively best adaptation effect is found.

In this embodiment, the toggle assembly 6 includes a sleeve 61 and a push-pull rod 62 capable of sliding along an inner cavity of the sleeve 61 to adjust a position, and a cross section of the push-pull rod 62 is a square structure, and a first fastening bolt 63 is disposed on an outer side of the sleeve 61.

In this embodiment, the outer side edge of the lower side surface of the first photovoltaic panel 1 is sequentially provided with a first clamping assembly 10, a second clamping assembly 11, a third clamping assembly 12 and a fourth clamping assembly 13, wherein the first clamping assembly 10 corresponds to the first clamping position 41, the second clamping assembly 11 corresponds to the second clamping position 42, the third clamping assembly 12 corresponds to the third clamping position 43, and the fourth clamping assembly 13 corresponds to the fourth clamping position 44. Through first joint subassembly 10, second joint subassembly 11, third joint subassembly 12 and fourth joint subassembly 13 with first photovoltaic board 1 hasp on the support frame, convenient operation is swift, and presss from both sides tight effect and also can reach the requirement, and after the position of first photovoltaic board 1 was fixed, the position of second photovoltaic board 2 had also been confirmed thereupon naturally.

In this embodiment, the first clamping assembly 10, the second clamping assembly 11, the third clamping assembly 12 and the fourth clamping assembly 13 have the same structure, wherein the first clamping assembly 10 includes a housing 101, a containing cavity is formed in the middle of the housing 101, a first clamping block 102 and a second clamping block 103 are correspondingly arranged in the containing cavity, a V-shaped structure is formed between the upper ends of the first clamping block 102 and the second clamping block 103, the lower ends of the first clamping block 102 and the second clamping block 103 are connected through a rotating shaft 104 in a swinging manner, and a compression spring 105 is arranged between the first clamping block 102 and the second clamping block 103. As shown in fig. 4, the V-shaped structure formed between the upper ends of the first and second clamping blocks 102 and 103 facilitates the guiding onto the supporting frame, and the falling off can be avoided by the arrangement of the compression spring 105 and the clamping block structure.

In this embodiment, the middle of the side surface of the first photovoltaic panel 1 is provided with a groove 1001, the side surface of the second photovoltaic panel 2 is correspondingly provided with a protrusion 1002, and the protrusion 1002 is matched with the groove 1001. The connection between the first photovoltaic panel 1 and the second photovoltaic panel 2 is more stable and reliable.

In this embodiment, a cover plate 106 is disposed at an upper port of the accommodating cavity of the housing 101. The compression spring 105 is prevented from falling off from the containing cavity, and the reliability and safety of the relative work of the first clamping block 102 and the second clamping block 103 are ensured.

In this embodiment, the push-pull rod 62 is provided with a second fastening bolt 14, an end of the second fastening bolt 14 penetrates through the push-pull rod 62, and a limit plate 15 is connected to an end of the second fastening bolt 14, and the limit plate 15 is located between the screw rod 8 and the push-pull rod 62. After the relative position of first photovoltaic board 1 and second photovoltaic board 2 has been adjusted, utilize second fastening bolt 14 to drive limiting plate 15 and remove to lead screw 8 direction, and support limiting plate 15 and press on lead screw 8, can avoid lead screw 8 oneself to take place rotatoryly, and cause the position of adjusting to change.

The working principle of the invention specifically comprises the following processes:

through second photovoltaic board 2 around second fork groove 91 department rotatory swing, make the bottom surface of two photovoltaic boards relative, and keep two photovoltaic boards parallel, at this moment, stir handle 901, make nut 9 remove to handle 901 direction along lead screw 8 to, can be in the same place first photovoltaic board 1 and the superposition of second photovoltaic board 2, be convenient for transportation and storage, the single photovoltaic board of comparison is more convenient to manage.

The invention has the beneficial effects that:

because the working environment of the photovoltaic panel is outdoor, most photovoltaic panels are located in an open region, the temperature difference between day and night is large, and the influence of the environment is obvious, a gap is reserved between two adjacent photovoltaic panels to resist the influence of expansion with heat and contraction with cold, in the actual installation process, the size of the gap between the two adjacent photovoltaic panels is not well controlled, firstly, the size of the gap is not well controlled, secondly, the parallelism of the edges of the two adjacent photovoltaic panels is not well controlled, the overall installation quality of the photovoltaic panels is poor, and therefore hidden dangers are buried for later use, in the invention, the first photovoltaic panel 1 and the second photovoltaic panel 2 which are adjacent are connected together through the poking component 6, after the first photovoltaic panel 1 and the second photovoltaic panel 2 are unfolded, the screw rod 8 is driven to rotate through the poking handle 901, and then the nut 9 can be driven to move back and forth along the screw rod 8, so that the screw rod moves back and forth, the clearance size of two adjacent photovoltaic boards is conveniently adjusted, moreover, stir subassembly 6 restriction in the peripheral joint position of this cross draw-in groove 4, avoid first photovoltaic board 1 to take place the condition of side to side beat in the relative second photovoltaic board 2 removal process.

In order to form a photovoltaic power station, a plurality of photovoltaic panels are required to be arranged side by side, gaps between two adjacent photovoltaic panels are required to be uniform and reasonable, the two photovoltaic panels cannot be inclined or staggered, the widths of the adjacent photovoltaic panels are also consistent, in the actual arrangement process, in order to avoid the problems, after one photovoltaic panel is fixed at a certain position, the side condition of the photovoltaic panel adjacent to the photovoltaic panel needs to be continuously compared with the photovoltaic panel at the fixed position until a proper side is found to correspond to the photovoltaic panel, because the operation process is simple at high altitude, the installation efficiency is greatly influenced actually, in the invention, the position of the second photovoltaic panel 2 can be fixed firstly, then, one side of the first photovoltaic panel 1 is matched with the side of the second photovoltaic panel 2, if the side of the first photovoltaic panel 1 is not proper, the first photovoltaic panel 1 can be rotated by 90 degrees around the turntable 5, the four sides of the first photovoltaic panel 1 can be adapted in sequence until a relatively best adaptation effect is found.

Through first joint subassembly 10, second joint subassembly 11, third joint subassembly 12 and fourth joint subassembly 13 with first photovoltaic board 1 hasp on the support frame, convenient operation is swift, and press from both sides tight effect and also can reach the requirement, after the rigidity of first photovoltaic board 1, the position of second photovoltaic board 2 has also been confirmed thereupon naturally, and through the V type structure that forms between first grip block 102 and the second grip block 103 upper end, be convenient for on the leading-in braced frame, and through the setting of compression spring 105 and grip block structure, can avoid droing.

After the relative position of first photovoltaic board 1 and second photovoltaic board 2 has been adjusted, utilize second fastening bolt 14 to drive limiting plate 15 and remove to lead screw 8 direction, and support limiting plate 15 and press on lead screw 8, can avoid lead screw 8 oneself to take place rotatoryly, and cause the position of adjusting to change.

The embodiments of the present invention are disclosed as the preferred embodiments, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention and make various extensions and changes without departing from the spirit of the present invention.