CN219068140U

CN219068140U - BIPV system fixing assembly

Info

Publication number: CN219068140U
Application number: CN202320015283.1U
Authority: CN
Inventors: 李福根; 胡善洲; 李福凯
Original assignee: Xiamen Fujia Energy Technology Co ltd
Current assignee: Xiamen Fujia Energy Technology Co ltd
Priority date: 2023-01-04
Filing date: 2023-01-04
Publication date: 2023-05-23
Anticipated expiration: 2033-01-04

Abstract

The utility model discloses a BIPV system fixing assembly, which belongs to the technical field of BIPV systems, wherein the BIPV system comprises a photovoltaic assembly and a building for placing the fixing assembly, and comprises a water tank, wherein the water tank is fixed on the building, a water tank frame is fixed on the water tank, at least one wedge-shaped clamp is fixed on the water tank frame, and the photovoltaic assembly is positioned on the water tank frame and at one side of the photovoltaic assembly; the utility model discloses a water tank frame, including the inside groove that is used for placing the wedge type clamp, the side of water tank frame is provided with and is used for fixing the fixed part that the wedge type pressed from both sides, fixed part is located one side of inside groove, the wedge type press from both sides with the position that the inside groove is connected is provided with the screens lug, one side that the wedge type pressed from both sides is provided with connecting portion, one side of screens lug with one side of inside groove is laminated mutually, connecting portion fixes the fixed part for the subassembly installation accuracy is high, and the subassembly installation is simple, and is efficient, and is not high to construction installation operation level requirement.

Description

BIPV system fixing assembly

Technical Field

The utility model relates to the technical field of BIPV systems, in particular to a BIPV system fixing component.

Background

Photovoltaic building integration (i.e., BIPV Building Integrated PV, photovoltaics) is a technology that integrates solar power generation (Photovoltaic) products into a building. Solar power generation is an emerging renewable energy technology, and the main applications of the technology are solar photovoltaic power generation and solar photo-thermal power generation. The solar photovoltaic power generation has the characteristics of modularization of a battery assembly, convenience in installation and maintenance, flexible use mode and the like, and is the technology with the greatest application of solar power generation. Solar photo-thermal power generation is performed by heating a medium through a light-gathering and heat-collecting system and then utilizing traditional steam power generation equipment to generate power, and industrialized demonstration projects are increasing in recent years. The photovoltaic board is installed on the building, and the frame is built at the building top layer and is used for fixed photovoltaic board, installs water drainage tank in photovoltaic board bottom and is used for waterproof.

The existing briquetting assembly for fixing a drainage tank on a photovoltaic panel has higher requirement on installation precision, and the briquetting assembly of the traditional integrated BIPV has more components, so that accumulated errors are increased, and the accumulated installation errors of the components such as a water guide tank are not satisfied in assembly installation precision when the briquetting assembly is pressed. The installation node firstly causes difficult installation of the photovoltaic module and low efficiency, and secondly has extremely high requirements on the level of construction and installation operation.

Disclosure of Invention

The utility model provides a BIPV system fixing component which is simple to assemble, low in requirement on construction and installation level and convenient to install.

To achieve the purpose, the utility model adopts the following technical scheme:

the BIPV system comprises a photovoltaic module and a building for placing the fixing module, and comprises a water tank, wherein the water tank is fixed on the building, a water tank frame is fixed on the water tank, at least one wedge-shaped clamp is fixed on the water tank frame, and the photovoltaic module is positioned on the water tank frame and is positioned on one side of the photovoltaic module; the water tank frame is provided with an inner groove for placing the wedge-shaped clamp, the side edge of the water tank frame is provided with a fixing part for fixing the wedge-shaped clamp, the fixing part is located on one side of the inner groove, the position, connected with the inner groove, of the wedge-shaped clamp is provided with a clamping lug, one side of the wedge-shaped clamp is provided with a connecting part, one side face of the clamping lug is attached to one side face of the inner groove, and the connecting part is fixed on the fixing part.

The wedge-shaped clamp also comprises a supporting part, wherein the supporting part is positioned above the connecting part; the top of supporting part sets up to arch support, the screens lug sets up in the bottom of supporting part, just the screens lug is in there is the space in the inside groove, the screens lug is to keeping away from the direction slope of connecting portion, just the screens lug with the contained angle configuration of bottom of supporting part is alpha, and the range of alpha is 30 ~ 60, the inside groove with the contained angle of the extension line of the face of screens lug contact with the bottom surface of basin frame is beta, and the angle of beta is the same with the angle of alpha, the supporting part is kept away from the one end bottom of connecting portion sets up to ripple.

The connecting part is configured to be L-shaped and is positioned on one side of the supporting part, the connecting part is mutually perpendicular to the supporting part, the connecting part is provided with a mounting hole for fixing on the water tank frame, and the bottom of the connecting part is provided with a base.

The base comprises a first vertical plate and a first transverse plate, wherein the first vertical plate is perpendicular to the first transverse plate, the mounting hole is formed in the first vertical plate, and the first transverse plate is parallel to the bottom of the arch support.

The water tank comprises a first transverse edge, bent edges are arranged on two sides of the first transverse edge, a second transverse edge is arranged on one side, far away from the first transverse edge, of the bent edges, two sides of the water tank frame are respectively attached to the second transverse edge and the bent edges, a side edge is arranged on one side, far away from the bent edges, of the second transverse edge, strip-shaped holes penetrating through the side edge are uniformly formed in the middle of the side edge, side holes are formed in the water tank frame, and the water tank frame is fixed on the strip-shaped holes through the first fixing pieces through the side holes; the side that the side kept away from the second is provided with the third and is violently limit, the third is violently limit keep away from one side of side is provided with the turn-ups.

The preferable technical scheme of the utility model is that the width of one end of the arched support close to the connecting part is larger than the width of the other end of the arched support, and the middle part of the arched support is hollowed out.

The preferable technical scheme of the utility model is that the fixing part is positioned above the side hole, the second transverse plate of the base is clamped at the bottom of the fixing part, and the fixing part and the wedge-shaped clamp are locked through a second fixing piece.

The fixing part comprises an upper folded plate and a lower folded plate, a rectangular groove is formed between the upper folded plate and the lower folded plate, the second fixing piece comprises a hexagonal bolt and a nut, the hexagonal bolt consists of a screw rod part and a head part with a regular hexagon cross section, the distance between two opposite sides of the regular hexagon of the head part is a, the connecting line length of two opposite corners is b, the height of an inner cavity of the rectangular groove is H, a is smaller than H and smaller than b, the head part of the hexagonal bolt is assembled in the rectangular groove, and the screw rod part penetrates through the mounting hole and is connected and locked with the nut.

The preferable technical scheme of the utility model is that the position connected with the inner groove is symmetrically provided with a platform part for placing the frame of the photovoltaic module, and the height of the platform part is lower than that of the fixing part; and clamping protrusions for limiting the frame of the photovoltaic module are arranged between the platform parts.

The water tank is fixed on the building through a U-shaped bolt passing through the connecting hole.

The preferable technical scheme of the utility model is that a triangular lug is arranged on one side of the inner groove close to the platform part, one side of the triangular lug is attached to the clamping lug, one side of the inner groove close to the fixing part is provided with an inclined table, the height of the inclined table is higher than that of the triangular lug, and the bottom end of the inclined table is lower than that of the triangular lug, so that the bottom surface of the inner groove is an inclined surface.

The preferable technical scheme of the utility model is that positioning grooves are formed in two sides of the mounting hole and the side hole.

The water tank frame is further provided with a hollowed-out groove, the hollowed-out groove is positioned at the bottom of the inner tank, two mutually perpendicular inner plates are arranged on the other side of the hollowed-out groove, one end of a bottom plate of the inner tank is positioned on the inner plate opposite to the inclined table, and the other end of the bottom plate of the inner tank is positioned on the inclined table, so that the section of the hollowed-out groove is in a right triangle shape.

The water tank is fixed on the building through the third fixing piece.

The preferable technical scheme of the utility model is that the third fixing piece comprises an upper pressing block, a lower pressing block and a U-shaped bolt, wherein the upper pressing block is positioned above the lower pressing block, and the U-shaped bolt is connected with the upper pressing block and the lower pressing block; the upper pressing block and the lower pressing block are provided with connecting holes, one side of the upper pressing block is provided with a clamping groove matched with the flanging, one side of the upper pressing block is clamped with the flanging of the water tank through the clamping groove, and the other side of the upper pressing block is fixed on a building through the U-shaped bolt and the connecting holes and the lower pressing block.

The preferable technical scheme of the utility model is that one side of the upper pressing block, which is contacted with the water tank, is provided with waves.

The preferable technical scheme of the utility model is that one side of the clamping groove, which is clamped with the flanging, is provided with a bevel edge, the bevel edge is attached to one side of the flanging, the other side of the clamping groove is vertically arranged, and a gap is formed in the clamping groove.

The beneficial effects of the utility model are as follows:

(1) The assembly is simple between the components, the requirement on the construction and installation level is low, the installation is convenient, and the assembly is provided with a plurality of parts, so that the installation accuracy is high.

(2) The side hole is arranged on the water tank frame and is arranged on the water tank, the fixing part is used for fixing the wedge-shaped clamp, and the platform part is used for placing the frame of the photovoltaic module.

(3) The bottom of the supporting part of the wedge-shaped clamp is provided with the clamping convex block, the clamping convex block forms an included angle with the bottom of the supporting part of the wedge-shaped clamp, the wedge-shaped clamp is mounted on the water tank frame through the mounting hole by the bolt, and the wedge-shaped clamp is downwards locked with the water tank frame under the inward acting force of the wedge-shaped clamp, so that the stability is increased.

(4) The top of the supporting part of the wedge-shaped clamp is an arch-shaped support, the middle part of the arch-shaped support is hollowed out, the width of one end of the arch-shaped support is smaller than that of the other end of the arch-shaped support, an arc shape is formed, and the strength is increased.

(5) The bottom of the supporting part of the wedge-shaped clamp is of a corrugated design, so that sliding of parts is prevented, the fitting degree between the parts is increased, and the problem of poor slip resistance of the existing pressing block is solved.

(6) The height of the platform part in the water tank frame is lower than that of the clamping part, and a gap exists between the inner tank and the clamping convex block to prevent water accumulation.

(7) The water tank is provided with a flanging which is convenient to fix on the sandal wood strip and other structures.

(8) The clamping part in the water tank frame is in fit and clamping connection with the first transverse edge and the bending edge of the water tank, so that the assembly is compact in fit and stable.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description, serve to explain the principles of the utility model. In the drawings, like reference numerals are used to identify like elements. The drawings, which are included in the description, illustrate some, but not all embodiments of the utility model. Other figures can be derived from these figures by one of ordinary skill in the art without undue effort.

FIG. 1 is a schematic view of a water tank structure in a fixture assembly of a BIPV system in accordance with one embodiment of the present utility model;

FIG. 2 is a schematic view of the overall structure of a sink frame and wedge-type clips of a BIPV system fixture assembly in accordance with one embodiment of the present utility model;

FIG. 3 is a schematic view of the overall structure of a sink frame and wedge-type clips of a BIPV system fixture assembly in accordance with one embodiment of the present utility model;

FIG. 4 is a schematic view of the overall structure of a sink frame of a BIPV system fixture assembly in accordance with one embodiment of the present utility model;

FIG. 5 is a schematic view of the overall structure of a sink frame of a BIPV system fixture assembly in accordance with an embodiment of the present utility model;

FIG. 6 is a schematic view of the overall structure of a sink frame of a BIPV system fixture assembly in accordance with an embodiment of the present utility model;

FIG. 7 is a schematic view of the head structure of a hexagonal bolt of a fixing assembly of a BIPV system in accordance with an embodiment of the present utility model;

FIG. 8 is a schematic view of the overall structure of a sink frame of a BIPV system fixture assembly in accordance with an embodiment of the present utility model;

FIG. 9 is a schematic view of the overall structure of a sink frame of a BIPV system fixture assembly in accordance with an embodiment of the present utility model;

FIG. 10 is a schematic view of the overall structure of a wedge clip for a BIPV system fixture in accordance with one embodiment of the present utility model;

FIG. 11 is a schematic view of the overall structure of a wedge clip for a BIPV system fixture in accordance with one embodiment of the present utility model;

FIG. 12 is a schematic view of the overall structure of a wedge clip for a BIPV system fixture in accordance with one embodiment of the present utility model;

FIG. 13 is a schematic view of an embodiment 1 of a BIPV system fixture in accordance with one embodiment of the present utility model;

FIG. 14 is an enlarged schematic view of FIG. 12 of a BIPV system fixture assembly provided in an embodiment of the present utility model;

FIG. 15 is a schematic view of an embodiment 2 of a BIPV system fixture in accordance with one embodiment of the present utility model;

fig. 16 is a schematic view showing the use of the BIPV system fixing module according to example 2 according to the embodiment of the present utility model.

In the figure:

1. a water tank; 11. a first lateral edge; 12. bending the edge; 13. a second lateral edge; 14. a side edge; 15. a bar-shaped hole; 16. a third lateral edge; 17. flanging; 2. a water tank frame; 21. a fixing part; 211. an upper folded plate; 212. a lower folded plate; 213. rectangular grooves; 22. an inner tank; 221. triangular protruding blocks; 222. a ramp; 223. a bottom plate; 23. a side hole; 24. a platform part; 25. a clamping protrusion; 26. a hollow groove; 261. an inner plate; 3. wedge-type clamps; 31. a support part; 311. an arch support; 312. a clamping lug; 32. a connection part; 321. a mounting hole; 322. a base; 3221. a first riser; 3222. a first cross plate; 4. a positioning groove; 5. a hexagonal bolt; 51. a nut; 52. a screw portion; 53. a head; 6. a void; 7. pressing into blocks; 71. a clamping groove; 711. a beveled edge; 72. a gap; 8. pressing the block; 9. a connection hole; 10. u-shaped bolts.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model. It should be noted that, without conflict, the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other.

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

Example 1

The utility model provides a BIPV system fixing assembly, which comprises a water tank 1, wherein a water tank frame 2 is fixed on the water tank 1 through bolts 5, and wedge-shaped clamps 3 are respectively fixed on two sides of the water tank frame 2 through bolts 5.

As shown in fig. 1, the whole water tank 1 is set to be letter M type, two sides on the water tank 1 are symmetrically provided with a first transverse edge 11, the first transverse edge 11 is connected with a bending edge 12, the bending edge 12 is connected with a second transverse edge 13, the second transverse edge 13 is connected with a side edge 14, a strip-shaped hole 15 is formed in the side edge 14, and the side edge 14 is connected with a flanging 17. Be provided with joint portion 21 on the basin frame 2, basin frame 2 respectively with first horizontal limit 11 and the limit 12 of buckling contact for basin frame 2 can be fixed with basin 1 more firm.

As shown in fig. 10-12, the wedge-shaped clamp 3 includes a supporting portion 31 and a connecting portion 32, the supporting portion 31 is provided with an arch support 311, the width of one end of the arch support 311 near the connecting portion 32 is larger than the width of the other end of the arch support 311, specifically, the width of the arch support 311 on one side connected with the connecting portion 32 is larger than the width of the other side, so that the arch support 311 is more stable, the strength of the wedge-shaped clamp 3 is increased, the bottom of the supporting portion 31 is provided with a clamping projection 312, the clamping projection 312 and the bottom of the supporting portion 31 form an included angle alpha, the range of alpha is between 30 ° and 60 °, the angle between the extension line of the contact surface of the inner groove 22 and the clamping projection 312 and the bottom surface of the water groove frame 2 is beta, the angle of beta is the same as the angle of alpha, so that the clamping projection 312 and one side of the inner groove 22 can be better attached, and the whole fixing assembly is more stable.

As shown in fig. 2-9, the water tank frame 2 is also symmetrically provided with an inner groove 22, the inner groove 22 is recessed toward the bottom of the water tank frame 2, and the inner groove 22 is used for placing the clamping convex blocks 312 of the wedge-shaped clamp 3. The platform part 24 is symmetrically arranged in connection with the inner groove 22, the platform part 24 is used for placing a photovoltaic module frame, the clamping protrusions 25 are arranged between the platform parts 24 to prevent the frame from shifting, the hollow groove 26 is symmetrically arranged at the bottom of the water tank frame 2, the hollow groove 26 is arranged below the inner groove 22, the bottom of the inner groove 22 is provided with the bottom plate 223, the bottom plate 223 is obliquely arranged, the hollow groove 26 is oppositely provided with the two inner plates 261, the two inner plates 261 are mutually perpendicular, the inner plates 261, the inclined platform 222 and the bottom plate 223 of the inner groove 22 form a right triangle with the hollow groove 26, the hollow groove 26 forms a triangular support, and the whole structure is more stable.

The height of the platform portion 24 is lower than the height of the clamping portion 21, a gap 6 is reserved in the inner groove 22 by the clamping protruding block 312, a triangular protruding block 221 is arranged at the position where the platform portion 24 is connected with the inner groove 22, an inclined table 222 is arranged at the position where the fixing portion 21 is connected with the inner groove 22, the bottom end of the inclined table 222 is lower than the bottom end of the triangular protruding block 221, the bottom of the gap 6 is an inclined plane, and therefore water flows into the inner groove 22 and flows out of the briquetting assembly when rainwater or water enters, and accumulated water in the assembly can be prevented.

In order to prevent the wedge clip 3 from being deviated when being fixed to the tub stand 2 as shown in fig. 3, the tub stand 2 is provided at both sides thereof with second fixing members for fixing the wedge clip 3 at fixing portions provided with an upper flap 211 and a lower flap 212, the second fixing members are provided with a hexagonal bolt 5 and nuts 51, wherein the hexagonal bolt 5 is positioned in the upper flap 211 and the lower flap 212, a rectangular groove 213 is formed between the upper flap 211 and the lower flap 212, the hexagonal bolt 5 is composed of a screw portion 52 and a head portion 53 having a regular hexagonal cross section, as shown in fig. 6, the distance of opposite sides of the regular hexagon of the head portion 53 is a, the length of the line of the opposite two corners is b, the height of the inner cavity of the rectangular groove 213 is H, a < H < b, the head portion 53 of the hexagonal bolt 5 is fitted into the rectangular groove 213 such that after the head portion 53 of the hexagonal bolt 5 enters the rectangular groove 213, when the two sides of the hexagonal bolt 5 are respectively attached to the upper folded plate 211 and the lower folded plate 212, the hexagonal bolt 5 cannot rotate, then the hexagonal bolt 5 is connected and locked with the nut 51 by penetrating the screw portion 52 through the mounting hole 321, during mounting, the bolt 5 is rotated first, two opposite surfaces of the head 53 are respectively opposite to the upper folded plate 211 and the lower folded plate 212, then the head 53 of the hexagonal bolt 5 enters the upper folded plate 211 and the lower folded plate 212 from one side of the rectangular groove 213, at this time, the head 53 cannot rotate in the rectangular groove 213, meanwhile, the first transverse plate 3222 of the base 322 is clamped at the bottom of the lower folded plate 212, the first vertical plate 3221 of the base 322 is attached to the outer sides of the lower folded plate 212 and the rectangular groove 213, and the hexagonal bolt 5 is locked by the nut 51, so that the wedge clamp 3 is clamped on the water tank frame 2, and the wedge clamp 3 is prevented from loosening.

As shown in fig. 5-6, a side hole 23 is arranged on the side edge of the water tank frame 2, the side hole 23 is in a round hole shape or a strip hole shape, when the side hole 23 is in a round hole shape, the water tank frame 2 is convenient to fix on the water tank 1, when the side hole is in a strip hole shape, the water tank frame 2 is convenient to fix, and meanwhile, the position of the water tank frame 2 fixed on the water tank 1 can be adjusted left and right in the side hole 23, so that the combination is more convenient, engineering is delayed due to the need of changing accessories when errors occur, and the water tank frame is fixed in the strip hole 15 of the water tank 1 through the bolt 5.

In order to facilitate the fixation of the sink frame 2 and the wedge-shaped clamp 3, positioning grooves 4 are arranged on two sides of the side holes 23 and the mounting holes 321, so that the mounting bolts 5 are facilitated.

As shown in fig. 13-15, in a specific installation mode, firstly, the water tank 1 is placed on structures such as sandal wood in a BIPV system building, the flange 17 of the water tank 1 is locked on the structures such as sandal wood through the clamping groove 71 of the upper pressing block 7, the bevel edge 711 of the clamping groove 71 is attached to one side of the flange 17, the other side of the clamping groove 71 is vertically arranged, a gap 72 is formed in the clamping groove 71, water is conveniently flowing, water accumulation is prevented, the U-shaped bolt 10 passes through the lower pressing block 8 and the connecting hole of the upper pressing block 7 to be locked on the sandal wood, the corrugation is arranged on one side, contacted with the water tank 1, of the upper pressing block 7, friction is increased, sliding is prevented, then the water tank frame 2 is placed on the water tank 1, the side hole 23 is locked on the strip-shaped hole 15 through the positioning groove 4, the water tank frame 2 is fixed on the water tank 1, then the wedge-shaped clamp 3 is locked on the fixing part of the water tank frame 2 through the positioning groove 4, at this time, the wedge-shaped clamp 3 is locked on the fixing part of the water tank frame 2 through the positioning hole 321, namely, the upper 211 and the lower folded plate 212 are convenient for water, the water accumulation is prevented, the wedge-shaped lug 312 is positioned in the 22, the side frame 31 passes through the connecting hole, the lower part of the upper pressing block 3 is more firmly contacted with the corrugated frame 2, and the upper pressing block 2 is prevented from contacting with the upper pressing frame 25, the side, and the upper pressing block 2 is more firmly, the side, and the displacement is prevented from contacting with the side.

Example 2

As shown in fig. 16, this embodiment is different from embodiment 1 in that only one wedge clip 3 may be fixed to the sink frame 2.

While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the utility model. The utility model is not to be limited by the specific embodiments disclosed herein, and other embodiments are within the scope of the utility model as defined by the claims of the present application.

Claims

1. A BIPV system fixture assembly, the BIPV system comprising a photovoltaic assembly and a building for placing the fixture assembly, characterized in that:

the building water tank comprises a water tank (1), wherein the water tank (1) is fixed on a building, a water tank frame (2) is fixed on the water tank (1), and at least one wedge-shaped clamp (3) is fixed on the water tank frame (2);

an inner groove (22) for placing the wedge-shaped clamp (3) is formed in the water tank frame (2), a fixing part (21) for fixing the wedge-shaped clamp (3) is arranged on the side edge (14) of the water tank frame (2), and the fixing part (21) is positioned on one side of the inner groove (22);

the wedge-shaped clamp is characterized in that a clamping lug (312) is arranged at the connection position of the wedge-shaped clamp (3) and the inner groove (22), a connecting portion (32) is arranged on one side of the wedge-shaped clamp (3), one side face of the clamping lug (312) is attached to one side face of the inner groove (22), and the connecting portion (32) is fixed on the fixing portion (21).

2. The BIPV system fixture according to claim 1, wherein:

the wedge-shaped clamp (3) further comprises a supporting part (31), and the supporting part (31) is positioned above the connecting part (32);

the top of supporting part (31) sets up to arch support (311), screens lug (312) set up in the bottom of supporting part (31), just screens lug (312) are in inside groove (22) are inside to have space (6), screens lug (312) are to keeping away from the direction slope of connecting portion (32), just screens lug (312) with the contained angle configuration of the bottom of supporting part (31) is alpha, and the range of alpha is 30 ~ 60, the extension line of the face of inside groove (22) with screens lug (312) contact with the contained angle of the bottom surface of basin frame (2) is beta, and the angle of beta is the same with the angle of alpha, supporting part (31) are kept away from the one end bottom of connecting portion (32) sets up to the ripple.

3. The BIPV system fixture according to claim 2, wherein:

the connecting part (32) is configured into an L shape and is positioned on one side of the supporting part (31), the connecting part (32) is mutually perpendicular to the supporting part (31), the connecting part (32) is provided with a mounting hole (321) for fixing the connecting part on the water tank frame (2), and the bottom of the connecting part (32) is provided with a base (322).

4. A BIPV system fixing assembly according to claim 3, wherein:

the base (322) comprises a first vertical plate (3221) and a first transverse plate (3222), the first vertical plate (3221) is perpendicular to the first transverse plate (3222), the mounting hole (321) is formed in the first vertical plate (3221), and the first transverse plate (3222) is parallel to the bottom of the arched support (311).

5. The BIPV system fixture according to claim 4, wherein:

the water tank (1) comprises a first transverse edge (11), bent edges (12) are arranged on two sides of the first transverse edge (11), a second transverse edge (13) is arranged on one side, far away from the first transverse edge (11), of the bent edge (12), two sides of the water tank frame (2) are respectively attached to the second transverse edge (13) and the bent edge (12), a side edge (14) is arranged on one side, far away from the bent edge (12), of the second transverse edge (13), strip-shaped holes (15) penetrating through the side edge (14) are uniformly formed in the middle of the side edge (14), side holes (23) are formed in the water tank frame (2), and the water tank frame (2) penetrates through the side holes (23) through first fixing pieces to be fixed on the strip-shaped holes (15);

a third transverse edge (16) is arranged on one side, far away from the second transverse edge (13), of the side edge (14), and a flanging (17) is arranged on one side, far away from the side edge (14), of the third transverse edge (16).

6. The BIPV system fixture according to claim 2, wherein:

the width of one end of the arch support (311) close to the connecting part (32) is larger than the width of the other end of the arch support (311), and the middle part of the arch support (311) is hollowed out.

7. The BIPV system fixture according to claim 5, wherein:

the fixing part (21) is located above the side hole (23), the first transverse plate (3222) of the base (322) is clamped at the bottom of the fixing part (21), and the fixing part and the wedge-shaped clamp (3) are locked through a second fixing piece.

8. The BIPV system fixture according to claim 7, wherein:

the fixing part (21) comprises an upper folded plate (211) and a lower folded plate (212), a rectangular groove (213) is formed between the upper folded plate (211) and the lower folded plate (212), the second fixing piece comprises a hexagonal bolt (5) and a nut (51), the hexagonal bolt is composed of a screw rod part (52) and a head part (53) with a regular hexagon cross section, the distance between two opposite sides of the regular hexagon of the head part (53) is a, the connecting line length of two opposite corners is b, the height of an inner cavity of the rectangular groove (213) is H, a is smaller than H and smaller than b, the head part (53) of the hexagonal bolt (5) is assembled in the rectangular groove (213), and the screw rod part (52) passes through the mounting hole (321) and then is connected with the nut (51).

9. The BIPV system fixture according to claim 2, wherein:

a platform part (24) for placing the frame of the photovoltaic module is symmetrically arranged at the position connected with the inner groove (22), and the height of the platform part (24) is lower than that of the fixing part;

and clamping protrusions (25) used for limiting the frame of the photovoltaic module are arranged between the platform parts (24).

10. The BIPV system fixture according to claim 5, wherein:

the water tank is characterized by further comprising an upper pressing block (7) and a lower pressing block (8) which are used for fixing the water tank (1), wherein the upper pressing block (7) is located on the flange (17), the lower pressing block (8) is located on the other side of the building, connecting holes (9) are formed in the upper pressing block (7) and the lower pressing block (8), and the water tank (1) is fixed on the building through the U-shaped bolts (10) penetrating through the connecting holes (9).

11. The BIPV system fixture according to claim 9, wherein:

the inner groove (22) is close to one side of the platform part (24) and is provided with a triangular lug (221), one side of the triangular lug (221) is attached to the clamping lug (312), one side of the inner groove (22) close to the fixing part (21) is provided with an inclined table (222), the height of the inclined table (222) is higher than that of the triangular lug (221), and the bottom end of the inclined table (222) is lower than that of the triangular lug (221) so that the bottom surface of the inner groove (22) is an inclined surface.

12. The BIPV system fixture according to claim 5, wherein:

positioning grooves (4) are formed in two sides of the mounting holes (321) and the side holes (23).

13. The BIPV system fixture according to claim 11, wherein:

the novel water tank is characterized in that a hollowed-out groove (26) is further formed in the water tank frame (2), the hollowed-out groove (26) is formed in the bottom of the inner groove (22), two mutually perpendicular inner plates (261) are arranged on one side of the hollowed-out groove (26), one end of a bottom plate (223) of the inner groove (22) is located on the inner plate (261) opposite to the inclined table (222), and the other end of the bottom plate (223) of the inner groove (22) is located on the inclined table (222), so that the section of the hollowed-out groove (26) is in a right triangle shape.

14. The BIPV system fixture according to claim 5, wherein:

the water tank is fixed on the building through the third fixing piece.

15. The BIPV system fixture according to claim 14, wherein:

the third fixing piece comprises an upper pressing block (7), a lower pressing block (8) and a U-shaped bolt (10), wherein the upper pressing block (7) is positioned above the lower pressing block (8), and the U-shaped bolt is connected with the upper pressing block (7) and the lower pressing block (8);

the utility model discloses a building structure, including upper briquetting (7) and lower briquetting (8), connecting hole (9) have all been seted up on upper briquetting (7) and lower briquetting (8), one side of upper briquetting (7) be provided with draw-in groove (71) of turn-ups looks adaptation, one side of upper briquetting (7) is passed through draw-in groove (71) with turn-ups (17) joint of basin (1), the opposite side of upper briquetting (7) is passed through U type bolt (10) connecting hole (9) with lower briquetting (8) are fixed on the building.

16. The BIPV system fixture according to claim 15, wherein:

one side of the upper pressing block (7) contacted with the water tank (1) is provided with waves.

17. The BIPV system fixture according to claim 15, wherein:

the clamping groove (71) is provided with a bevel edge (711) on one side, which is clamped with the flanging (17), of the clamping groove (71), the bevel edge (711) is attached to one side of the flanging (17), the other side of the clamping groove (71) is vertically provided, and a gap (72) is formed in the clamping groove (71).