CN111478648B

CN111478648B - Photovoltaic equipment

Info

Publication number: CN111478648B
Application number: CN202010416178.XA
Authority: CN
Inventors: 马天锐
Original assignee: Xinghua Tiandong Software Technology Co ltd
Current assignee: Guangdong Shengtai Environmental Protection And Energy Saving Technology Co ltd
Priority date: 2020-05-17
Filing date: 2020-05-17
Publication date: 2021-05-18
Anticipated expiration: 2040-05-17
Also published as: CN111478648A

Abstract

The present invention relates to a photovoltaic device. The photovoltaic equipment comprises a purline, an installation assembly, two photovoltaic assemblies and a fixing assembly, the installation assembly comprises an installation plate and an installation frame, two positioning protruding areas are arranged on the installation plate, and two clamping hooks are arranged, the installation frame comprises a bottom plate part and inverted arms which are convexly arranged on two opposite sides of the bottom plate part, wedge-shaped points are formed at the end parts of the inverted arms, the bottom plate part is supported on the installation plate and located between the two positioning protruding areas, the two photovoltaic assemblies are respectively located on two opposite sides of the installation frame, each photovoltaic assembly comprises a photovoltaic panel and a photovoltaic frame, each photovoltaic frame comprises a clamping block, a supporting structure, a positioning plate and a flexible abutting plate, the clamping blocks are clamped at the edge of the photovoltaic panel, and a plurality of wedge-shaped notches are formed in the. The photovoltaic panel of the photovoltaic device is not easy to loosen.

Description

Photovoltaic equipment

Technical Field

The present invention relates to a photovoltaic device.

Background

In order to utilize solar light energy, various photovoltaic apparatuses are currently produced, and the photovoltaic apparatuses mainly include silicon rod/silicon ingot manufacturing apparatuses, silicon wafer/wafer manufacturing apparatuses, cell manufacturing apparatuses, crystalline silicon cell module manufacturing apparatuses, thin film module manufacturing apparatuses, and the like. However, the aluminum alloy frame of the photovoltaic panel is generally installed on the bracket by drilling holes through screws, however, the aluminum alloy frame after drilling holes is easily damaged, and the photovoltaic panel is released.

Disclosure of Invention

Based on this, it is necessary to provide a photovoltaic device in which the photovoltaic panel is not easily released.

A photovoltaic device comprises a purline, a mounting assembly, two photovoltaic assemblies and a fixing assembly, wherein the mounting assembly comprises a mounting plate and a mounting frame, two positioning convex areas are arranged on the mounting plate, and two clamping hooks are arranged on the mounting plate, the mounting frame comprises a bottom plate part and reversing arms convexly arranged on two opposite sides of the bottom plate part, the bottom plate part is supported on the mounting plate and positioned between the two positioning convex areas, wedge-shaped points are formed at the end parts of the reversing arms, the two photovoltaic assemblies are respectively positioned on two opposite sides of the mounting frame, each photovoltaic assembly comprises a photovoltaic plate and a photovoltaic frame, the photovoltaic frame comprises a clamping block, a supporting structure, a positioning plate and a flexible abutting plate, the clamping block clamps the edge of the fixed photovoltaic plate, a plurality of wedge-shaped notches are formed in the upper surface of the clamping block, the clamping block abuts against the bottom of the reversing arms, the wedge-shaped points are inserted into the wedge-shaped notches, the supporting structure is formed, the positioning plate is supported on the mounting plate, the bottom of the positioning plate is provided with a plurality of positioning notches to be clamped and positioned with the positioning convex areas, one end of the flexible abutting plate is rotatably connected with the end part of the clamping block and abuts against the lower surface of the photovoltaic plate, the other end of the flexible abutting plate extends downwards in an inclined manner and abuts against the clamping hook, the flexible abutting plate is provided with a flexible arch plate, the flexible arch plate upwards abuts against the photovoltaic plate, the fixing assembly comprises a top cover, a bolt, a first nut and a second nut, the top cover is arranged on the mounting assembly, two opposite sides of the top cover are respectively provided with an abutting plate, the bottom surface of the top cover is also provided with two arch plates, the two abutting plates respectively abut against the upper surfaces of the two photovoltaic plates, the two arch plates respectively abut against the tops of the two inverted buckling arms, a grounding rod is also convexly arranged between each arch plate and the corresponding abutting plate, and the bottom end of the grounding rod is provided with a grounding prick, the ground spike is inserted into the wedge-shaped gap and punctures the side wall of the wedge-shaped gap so as to realize ground connection, the bolt is arranged in the top cover, the bottom plate part, the mounting plate and the purline in a penetrating way, the first nut is screwed on the bolt and is abutted against the top surface of the bottom plate part, and the second nut is screwed on the bolt and is abutted against the top wall on the inner side of the purline.

In one embodiment, the flexible arch plate is positioned right below the abutting plate, the flexible arch plate is in line contact with the lower surface of the photovoltaic panel, the arch plate is positioned right above the reversing arm, and the arch plate is in line contact with the top surface of the reversing arm.

In one embodiment, a plurality of wedge-shaped positioning portions are formed on the positioning protruding area, the wedge-shaped positioning portions are clamped into the positioning notches respectively, a back-off cavity is formed between the back-off arm and the mounting plate, and the photovoltaic frame is clamped in the back-off cavity.

In one of them embodiment, two location bellying all are located two and stop between the hook, and the back-off arm is including the location wall, roof and the back-off wall that connect gradually, and the edge in bottom plate portion is connected perpendicularly to the location wall, and the roof sets up with the location wall is perpendicular and the roof extends along the horizontal direction, and the back-off wall is parallel with the location wall, and the wedge point is formed at the bottom of back-off wall.

In one embodiment, the fixing assembly further includes a round gasket, the round gasket is sleeved on the bolt and abuts against the upper surface of the top cover, the side wall of the clamping block abuts against the positioning wall, and the end portion of the positioning plate is clamped on the clamping hook.

In one embodiment, the clamping block is U-shaped, the support structure comprises two vertical plates mounted parallel to each other on the positioning plate, the top of both vertical plates being connected to the bottom surface of the clamping block.

In one embodiment, a pressure stabilizing cavity is formed between the two vertical plates, and the flexible abutting plate, the positioning plate and one of the vertical plates jointly surround to form a triangular cavity.

In one embodiment, the flexible abutting plate is provided with an adjusting screw, the head of the adjusting screw abuts against the flexible abutting plate, the bottom of the adjusting screw penetrates through the positioning plate and the mounting plate, and the adjusting screw is used for adjusting the downward bending degree of the middle part of the flexible abutting plate so as to drive the flexible arch bar to move and further adjust the abutting force of the flexible arch bar on the lower surface of the photovoltaic panel.

In one embodiment, one end of the flexible abutting plate, which is far away from the clamping hook, is rotatably connected with a rotating shaft, the rotating shaft is connected to the edge of the end part of the clamping block and abuts against the lower surface of the photovoltaic panel, and a flexible layer is arranged on the surface of the rotating shaft.

In one embodiment, a semicircular notch is formed in one side edge of the arched plate, the grounding rod is abutted to and held in the semicircular notch, the wedge-shaped notch clamped by the grounding prick and the wedge-shaped notch clamped by the wedge-shaped tip are arranged adjacently, the top cover, the photovoltaic frame and the mounting frame are all made of metal materials, and the side wall of the wedge-shaped notch punctured by the grounding prick is located on one side far away from the wedge-shaped tip.

In this photovoltaic equipment, through utilizing two photovoltaic module of two back-off arm locks, recycle the top lid and support two photovoltaic module tightly, then wear to establish the top lid through the bolt and realize the fixed to photovoltaic module, consequently need not to carry out the installation of driling on the photovoltaic frame of photovoltaic board, avoided the whole destruction of photovoltaic frame and the pine of the photovoltaic board that causes takes off, improves life. When the top cover is installed, on one hand, the arch-shaped plate can be utilized to tightly abut against the reversing arm, so that the reversing arm is buckled with the clamping block, and the grounding prick can be forced to simultaneously prick the wedge-shaped gap, namely, the oxide film is pricked, so that the grounding connection is realized, and the two operations are performed at one time. The arrangement of a plurality of wedge-shaped gaps can be matched with the wedge-shaped tip of the reversing arm to implement positioning on one hand, and can be matched with the grounding pin to realize grounding on the other hand. And the grounding pricks can also reinforce and position the clamping blocks. The flexible arch provides a greater abutting force against the lower surface of the photovoltaic panel with a smaller area. Compared with the rigid contact, the supporting force of the arch-shaped plate to the reversing arm can adjust the supporting force of the reversing arm to the clamping block, and even if the clamping block has certain manufacturing deviation, fault-tolerant installation can be carried out by utilizing the tiny deformation of the reversing arm and the arch-shaped plate.

Drawings

Fig. 1 is a schematic perspective view of a photovoltaic device according to an embodiment.

Fig. 2 is a side view of a photovoltaic apparatus of an embodiment.

Fig. 3 is a partially enlarged view of a portion a in fig. 2.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The present invention relates to a photovoltaic device. For example, photovoltaic equipment includes purlin, installation component, two photovoltaic module and fixed subassembly, and the installation component includes mounting panel and mounting bracket, is provided with two location bellying on the mounting panel to be provided with two and stop the hook, the mounting bracket includes bottom plate portion and the protruding back-off arm of locating the relative both sides of bottom plate portion, and bottom plate portion supports on the mounting panel and is located between two location bellying, and the tip of back-off arm is formed with the wedge point. For example, two photovoltaic modules are respectively located on two opposite sides of the mounting frame, each photovoltaic module comprises a photovoltaic panel and a photovoltaic frame, each photovoltaic frame comprises a clamping block, a supporting structure, a positioning plate and a flexible abutting plate, the clamping block clamps and fixes the edge of the photovoltaic panel, a plurality of wedge-shaped gaps are formed in the upper surface of the clamping block, and the clamping block abuts against and is held at the bottom of the reversing arm. For example, the wedge-shaped tip is inserted into the wedge-shaped notch, the supporting structure is formed at the bottom of the clamping block, the positioning plate is formed at the bottom of the supporting structure, the positioning plate is supported on the mounting plate, the bottom of the positioning plate is provided with a plurality of positioning notches to be clamped and positioned with the positioning protruding areas, one end of the flexible abutting plate is rotatably connected to the end of the clamping block and abuts against the lower surface of the photovoltaic panel, and the other end of the flexible abutting plate extends obliquely downwards and abuts against the clamping hook. For example, the flexible abutting plate is provided with a flexible arch plate which abuts against the photovoltaic panel upwards, the fixing assembly comprises a top cover, a bolt, a first nut and a second nut, the top cover is arranged on the mounting assembly in a covering mode, abutting plates are respectively formed on two opposite sides of the top cover, and the bottom surface of the top cover is further provided with two arch plates. For example, the two abutting plates abut against the upper surfaces of the two photovoltaic plates respectively, the two arched plates abut against the tops of the two reversing arms respectively, a grounding rod is further arranged between each arched plate and the corresponding abutting plate in a protruding mode, a grounding prick is formed at the bottom end of each grounding rod, and the grounding prick is inserted into the wedge-shaped gap and pierces the side wall of the wedge-shaped gap, so that grounding connection is achieved. For example, the bolt is arranged in the top cover, the bottom plate part, the mounting plate and the purline in a penetrating manner, the first nut is screwed on the bolt and abuts against the top surface of the bottom plate part, and the second nut is screwed on the bolt and abuts against the top wall on the inner side of the purline.

Referring to fig. 1 to 3, a photovoltaic device includes a purline 10, a mounting assembly 20, two photovoltaic modules 30 and a fixing assembly 40, the mounting assembly 20 includes a mounting plate 21 and a mounting frame 22, the mounting plate 21 is provided with two positioning protruding regions 211 and two locking hooks 215, the mounting frame 22 includes a bottom plate portion 221 and an inverted arm 222 protruding from two opposite sides of the bottom plate portion 221, the bottom plate portion 221 is supported on the mounting plate 21 and located between the two positioning protruding regions 211, a wedge-shaped tip 223 is formed at an end portion of the inverted arm 222, the two photovoltaic modules 30 are respectively located at two opposite sides of the mounting frame 22, each photovoltaic module 30 includes a photovoltaic panel 31 and a photovoltaic frame 32, the photovoltaic frame 32 includes a clamping block 321, a supporting structure 322, a positioning plate 323 and a flexible abutting plate 324, the clamping block 321 clamps and fixes an edge of the photovoltaic panel 31, an upper surface of the clamping block 321 is provided with a plurality of wedge-shaped notches 3215, the clamping block 321 is abutted against the bottom of the reversing arm 222, the wedge tip 223 is inserted into the wedge notch 3215, the supporting structure 322 is formed at the bottom of the clamping block 321, the positioning plate 323 is formed at the bottom of the supporting structure 322, the positioning plate 323 is supported on the mounting plate 21, the bottom of the positioning plate 323 is provided with a plurality of positioning notches 3235 for clamping and positioning with the positioning convex area 211, one end of the flexible abutting plate 324 is rotatably connected to the end of the clamping block 321 and abutted against the lower surface of the photovoltaic panel 31, the other end of the flexible abutting plate 324 extends obliquely and downwardly and abuts against the hook 215, the flexible abutting plate 324 is provided with a flexible arch 325, the flexible arch 325 abuts against the photovoltaic panel 31 upwardly, the fixing assembly 40 comprises a top cover 41, a bolt 42, a first nut 43 and a second nut 44, the top cover 41 is covered on the mounting assembly 20, the opposing sides of the top cover 41 are respectively provided with abutting plates 415, the bottom surface of the top cover 41 is further provided with two arch plates 418, the two abutting plates 415 abut against the upper surfaces of the two photovoltaic panels 31 respectively, the two arch plates 418 abut against the tops of the two inverted buckle arms 222 respectively, a grounding rod 416 is further arranged between each arch plate 418 and the corresponding abutting plate 415 in a protruding mode, a grounding prick 4165 is formed at the bottom end of the grounding rod 416, the grounding prick 4165 is inserted into the wedge-shaped gap 3215 and pierces the side wall of the wedge-shaped gap 3215 to achieve grounding connection, the bolt 42 is arranged in the top cover 41, the bottom plate portion 221, the mounting plate 21 and the purlin 10 in a penetrating mode, the first nut 43 is screwed on the bolt 42 and abuts against the top surface of the bottom plate portion 221, and the second nut 44 is screwed on the bolt 42 and abuts against the top wall of the inner side of the purlin 10.

In this photovoltaic equipment, through utilizing two photovoltaic module 30 of two back-off arm 222 lock, recycle top lid 41 and support two photovoltaic module 30 tightly, then wear to establish top lid 41 through bolt 42 and realize the fixed to photovoltaic module 30, consequently need not to carry out the installation of driling on photovoltaic frame 32 of photovoltaic board 31, avoided photovoltaic frame 32 whole destruction and the pine of the photovoltaic board 31 that causes takes off, improve life. When the top cover 41 is installed, on one hand, the arched plate 418 can be used to tightly abut against the reversing arm 222, so that the reversing arm 222 is buckled with the clamping block 321, and on the other hand, the grounding prick 4165 can be forced to simultaneously prick the wedge-shaped notch 3215, namely, the oxide film is pricked, so as to realize the grounding connection. The plurality of wedge-shaped notches 3215 can cooperate with the wedge-shaped tip 223 of the reversing arm 222 to perform positioning, and cooperate with the grounding barb 4165 to achieve grounding. The grounding barbs 4165 also serve to reinforce and position the clamp block 321. The flexible arch 325 provides a greater abutment force against the lower surface of the photovoltaic panel 31 with a smaller area. Compared with the non-adjustable rigid contact, the abutting force of the arched plate 418 on the inverted arm 222 can adjust the abutting force of the inverted arm 222 on the clamping block 321, and even if the clamping block 321 has certain manufacturing deviation, the small deformation of the inverted arm 222 and the arched plate 418 can be utilized for fault-tolerant installation.

For example, to facilitate the application of a strong holding force, the flexible arch 325 is located directly below the holding plate 415. In one embodiment, the flexible arch 325 is in line contact with the lower surface of the photovoltaic panel 31, and the arch 418 is directly above the flip arm 222, and in one embodiment, the arch 418 is in line contact with the top surface of the flip arm 222. A plurality of wedge-shaped positioning portions are formed on the positioning convex region 211, the wedge-shaped positioning portions are respectively clamped into the positioning notches 3235, an inverted cavity 325 is formed between the inverted arm 222 and the mounting plate 21, and the photovoltaic frame 32 is clamped in the inverted cavity 325. The two positioning convex regions 211 are located between the two clamping hooks 215, the inverted arm 222 comprises a positioning wall 224, a top wall 225 and an inverted wall 226 which are connected in sequence, the positioning wall 224 is vertically connected to the edge of the bottom plate part 221, the top wall 225 and the positioning wall 224 are vertically arranged, the top wall 225 extends along the horizontal direction, the inverted wall 226 is parallel to the positioning wall 224, and the wedge-shaped tip 223 is formed at the bottom end of the inverted wall 226. By providing two line contacts, i.e. the flexible arch 325 is in line contact with the lower surface of the photovoltaic panel 31, the arch 418 is in line contact with the top surface of the arm 222, so as to provide a stronger abutting force, and the arm 222 and the photovoltaic panel 31 are not easy to move laterally in a staggered manner. And the arrangement of the inverted arm 222 facilitates the insertion and installation of the photovoltaic rack 32.

For example, in order to provide a stable support, the fixing assembly 40 further includes a circular gasket 45, the circular gasket 45 is sleeved on the bolt 42 and abuts against the upper surface of the top cover 41, the side wall of the clamping block 321 abuts against the positioning wall 224, and the end of the positioning plate 323 is clamped on the locking hook 215. The clamping block 321 is U-shaped, the supporting structure 322 includes two vertical plates 3225, the two vertical plates 3225 are installed on the positioning plate 323 in parallel, and the top portions of the two vertical plates 3225 are connected to the bottom surface of the clamping block 321. A pressure stabilizing cavity 3228 is formed between the two vertical plates 3225, and the flexible abutting plate 324, the positioning plate 323 and one of the vertical plates 3225 jointly surround to form a triangular cavity. By arranging the supporting structure 322 as two vertical plates 3225, the two vertical plates 3225 can provide strong supporting force, and the pressure stabilizing cavity 3228 between the two vertical plates 3225 can stabilize air pressure and prevent rainwater from permeating.

For example, in order to adjust the abutting force on the lower surface of the photovoltaic panel 31, an adjusting screw 327 is disposed on the flexible abutting plate 324, a head of the adjusting screw 327 abuts against the flexible abutting plate 324, a bottom of the adjusting screw 327 is disposed through the positioning plate 323 and the mounting plate 21, and the adjusting screw 327 is used to adjust a downward bending degree of the middle portion of the flexible abutting plate 324 to drive the flexible arch 325 to move, so as to adjust the abutting force of the flexible arch 325 on the lower surface of the photovoltaic panel 31. One end of the flexible abutting plate 324, which is far away from the locking hook 215, is rotatably connected with a rotating shaft 3245, the rotating shaft 3245 is connected to the edge of the end portion of the clamping block 321 and abuts against the lower surface of the photovoltaic panel 31, and a flexible layer is arranged on the surface of the rotating shaft 3245. By rotating the adjusting screw 327 to move downward, the middle portion of the flexible fastening plate 324 can be pressed and bent downward, and the arched plate 418 is driven to move downward, so as to adjust the fastening force of the regulator on the lower surface of the photovoltaic panel 31.

For example, in order to improve the clamping force of the grounding barb 4165 on the wedge-shaped notch 3215, a semicircular notch is formed at one side edge of the arc-shaped plate 418, the grounding rod 416 abuts against the semicircular notch, the wedge-shaped notch 3215 into which the grounding barb 4165 is snapped is disposed adjacent to the wedge-shaped notch 3215 into which the wedge-shaped tip 223 is snapped, the top cover 41, the photovoltaic frame 32, and the mounting frame 22 are made of metal materials, and the side wall of the wedge-shaped notch 3215 into which the grounding barb 4165 is pierced is located on the side away from the wedge-shaped tip 223. When the top cover 41 is fixed, the arched plate 418 can be flattened after being stressed, and then the edge is used for laterally abutting against the deviation of the grounding rod 416, so that the grounding barb 4165 can generate a certain slight deviation towards the side far away from the wedge-shaped tip 223, and then the grounding barb 4165 can be in close contact with the damaged side wall of the wedge-shaped notch 3215, and the grounding stability is improved.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A photovoltaic device is characterized by comprising a purline, a mounting assembly, two photovoltaic assemblies and a fixing assembly, wherein the mounting assembly comprises a mounting plate and a mounting frame, the mounting plate is provided with two positioning convex areas and two clamping hooks, the mounting frame comprises a bottom plate part and reversing arms convexly arranged at two opposite sides of the bottom plate part, the bottom plate part is supported on the mounting plate and positioned between the two positioning convex areas, wedge-shaped points are formed at the end parts of the reversing arms, the two photovoltaic assemblies are respectively positioned at two opposite sides of the mounting frame, each photovoltaic assembly comprises a photovoltaic plate and a photovoltaic frame, the photovoltaic frame comprises a clamping block, a supporting structure, a positioning plate and a flexible abutting plate, the clamping block clamps the edge of the fixed photovoltaic plate, the upper surface of the clamping block is provided with a plurality of wedge-shaped notches, the clamping block abuts against the bottoms of the reversing arms, the wedge-shaped points are inserted into the wedge-shaped notches, and the supporting structure is, the positioning plate is formed at the bottom of the supporting structure and supported on the mounting plate, a plurality of positioning notches are formed at the bottom of the positioning plate to be clamped and positioned with the positioning convex area, one end of the flexible abutting plate is rotatably connected with the end part of the clamping block and abuts against the lower surface of the photovoltaic plate, the other end of the flexible abutting plate extends obliquely downwards and abuts against the clamping hook, a flexible arch plate is arranged on the flexible abutting plate and abuts against the photovoltaic plate upwards, the fixing assembly comprises a top cover, a bolt, a first nut and a second nut, the top cover is arranged on the mounting assembly, abutting plates are respectively formed at two opposite sides of the top cover, two arch plates are further arranged at the bottom surface of the top cover and abut against the upper surfaces of the two photovoltaic plates respectively, the two arch plates abut against the tops of the two inverted buckling arms respectively, and a convex grounding rod is further arranged between each arch plate and the corresponding abutting plate, the bottom end of the grounding rod is provided with a grounding prick, the grounding prick is inserted into the wedge-shaped gap and pierces the side wall of the wedge-shaped gap so as to realize grounding connection, the bolt is arranged in the top cover, the bottom plate part, the mounting plate and the purline in a penetrating manner, the first nut is screwed on the bolt and abuts against the top surface of the bottom plate part, and the second nut is screwed on the bolt and abuts against the top wall of the inner side of the purline;

the flexible arch board is positioned under the abutting board and is in line contact with the lower surface of the photovoltaic board, the arch board is positioned over the reversing arm, the arch board is in line contact with the top surface of the reversing arm, a plurality of wedge-shaped positioning parts are formed on the positioning convex areas and are respectively clamped into a plurality of positioning gaps, a reversing cavity is formed between the reversing arm and the mounting board, the photovoltaic frame is clamped in the reversing cavity, the two positioning convex areas are positioned between the two clamping hooks, the reversing arm comprises a positioning wall, a top wall and a reversing wall which are sequentially connected, the positioning wall is vertically connected with the edge of the bottom board part, the top wall and the positioning wall are vertically arranged, the top wall extends along the horizontal direction, the reversing wall is parallel to the positioning wall, the wedge-shaped tip is formed at the bottom end of the reversing wall, the fixing assembly further comprises a round gasket, the round gasket is sleeved on the bolt and abuts against the upper surface of the top cover, and the side wall of the clamping block abuts against the positioning wall, the end part of the positioning plate is clamped on the clamping hook, the clamping block is U-shaped, the supporting structure comprises two vertical plates, the two vertical plates are arranged on the positioning plate in parallel, the top parts of the two vertical plates are connected to the bottom surface of the clamping block, a voltage stabilizing cavity is formed between the two vertical plates, the flexible abutting plate, the positioning plate and one of the vertical plates jointly surround to form a triangular cavity, an adjusting screw is arranged on the flexible abutting plate, the head part of the adjusting screw abuts against the flexible abutting plate, the bottom part of the adjusting screw penetrates through the positioning plate and the mounting plate, the adjusting screw is used for adjusting the downward bending degree of the middle part of the flexible abutting plate to drive the flexible arch plate to move so as to adjust the abutting force of the flexible arch plate to the lower surface of the photovoltaic plate, one end of the flexible abutting plate, far away from the clamping hook, is rotatably connected with a rotating shaft, the rotating shaft is connected to the edge of the end part, the surface of pivot is provided with the flexible layer, and one side edge of arched plate is formed with the semicircle breach, and the earth bar supports to hold in the semicircle breach, and the wedge breach that the ground connection thorn card was gone into sets up adjacent with the wedge breach that the wedge point was gone into, and top lid, photovoltaic frame and mounting bracket are made by metal material, and the lateral wall of the wedge breach that the ground connection thorn was punctured is in the one side of keeping away from the wedge point.