CN216929928U

CN216929928U - Anchor clamps subassembly and building photovoltaic integration system

Info

Publication number: CN216929928U
Application number: CN202220593091.4U
Authority: CN
Inventors: 林海峰
Original assignee: Dongfang Risheng Ningbo New Energy Co ltd
Current assignee: Oriental Risheng Green Power Zhejiang Building Materials Co ltd
Priority date: 2022-03-17
Filing date: 2022-03-17
Publication date: 2022-07-08
Anticipated expiration: 2032-03-17

Abstract

The embodiment of the application provides a clamp assembly and a building photovoltaic integration system, and relates to the field of building photovoltaic integration. The clamp assembly comprises a pressing plate, two bases and at least two fasteners, wherein the two opposite ends of the pressing plate are respectively provided with a pressing part, and the bottom surface of the pressing part is provided with a pressing surface; one end of each base is a clamping part, when the two bases are respectively arranged below the two ends of the pressing plate, and the clamping part of each base is positioned below the pressing part at the same end, the other end of each base, which is far away from the clamping part, is abutted against the position, which is close to the corresponding pressing part, of the pressing plate; each fastener can be used for tightly connecting the pressure plate and the base arranged at the same end. Anchor clamps subassembly and building photovoltaic integration system realize being fixed in photovoltaic panel machinery on the metal roofing, can also improve the wind-uncovering resistance ability of metal roofing.

Description

Anchor clamps subassembly and building photovoltaic integration system

Technical Field

The application relates to the field of building photovoltaic integration, in particular to a clamp assembly and a building photovoltaic integration system.

Background

With the development of society, solar energy is paid attention and paid attention as a green clean energy. Photovoltaic panels are used to convert solar energy into electrical energy, and are one of the important ways to utilize solar energy. Building Integrated Photovoltaics (BIPV) is a novel installation mode, breaks the barrier between the traditional Photovoltaic industry and the Building industry, and enables the Photovoltaic panel to be widely applied.

At present, in order to realize building integration, a photovoltaic panel is generally installed and fixed on a metal roof according to the following two schemes, wherein one scheme is to directly glue the photovoltaic panel on the metal roof by using a structural adhesive. According to the scheme, the surface of the metal roof needs to be cleaned before the structural adhesive is bonded, and one cleaning procedure is added, so that the construction cost is increased, and the material cost is also increased; after the structural adhesive is adopted for bonding, the disassembly and the maintenance are difficult when a fault occurs; the metal roof only provides the structural surface for bonding of the photovoltaic panel and is not reliably mechanically fixed so that the photovoltaic panel is safer.

The other scheme is that the shape of the installation groove is pressed in the middle of the metal roof, and the photovoltaic panel is directly installed on the metal roof through a pressing block and a bolt. Briquetting and bolt in this scheme cooperate, fix the border of a photovoltaic panel in the centre of metal roofing respectively, have realized the mechanical fastening between photovoltaic panel and the metal roofing, but this kind of fixed effect is limited, and under the effect of burden wind pressure, the anti-wind of metal roofing takes off the performance and is difficult to guarantee.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of this application is to provide a anchor clamps subassembly and building photovoltaic integration system, realize with photovoltaic panel mechanical fastening on the metal roofing, can also improve the wind-resistant performance of taking off of metal roofing.

In a first aspect, an embodiment of the present application provides a clamp assembly, which includes:

the two opposite ends of the pressing plate are respectively provided with a pressing part, and the bottom surface of the pressing part is provided with a pressing surface;

when the two bases are respectively arranged below the two ends of the pressing plate and the clamping part of each base is positioned below the pressing part at the same end, the other end of the base, far away from the clamping part, is abutted against the position, close to the corresponding pressing part, of the pressing plate;

at least two fasteners, each fastener can fasten the connection clamp plate and the base that sets up with the end.

In the above-mentioned realization process, the both ends of same clamp plate all have the nip portion, and the nip portion of every end passes through the fastener with the base that corresponds and is together fixed, can be fixed in a photovoltaic panel on the metal roofing, consequently through the mechanical fastening of one set of anchor clamps subassembly, can fix two photovoltaic panels and metal roofing simultaneously, and photovoltaic panel can form reliable combination by the metal roofing, does not need extra structure to glue fixedly, and is safe and firm, and it is also very convenient when later maintenance dismantles. The clamp assembly can be firmly fixed together through the integrated pressing plate, torsion is prevented during installation, the base can be restrained after installation, and a limiting and anti-loosening function is achieved; the two ends of the photovoltaic panel and the metal roof are stressed together, so that the photovoltaic panel and the metal roof form a composite structure stressed together, and the integrity of a photovoltaic system is improved; the effect of dispersing external force is achieved, and wind uncovering resistance can be better achieved.

In a possible implementation manner, a part of the pressure plate, which is located between the two abutting grooves, protrudes upwards, and the protruding part forms an accommodating space.

In the implementation process, the accommodating space can accommodate the serging structure of the metal roof, and the pressing plates stretch across the two sides of the serging structure, so that the photovoltaic panels on the two sides of the serging structure are fixed on the metal roof.

In one possible implementation, the bottom surface of the pressing part is provided with an elastic layer, and the bottom surface of the elastic layer is provided with a pressing surface.

In the implementation process, the pressing part provides a pressing surface through the elastic layer, and the fixing effect of the pressing surface on the photovoltaic panel is guaranteed.

In a possible implementation mode, a position of the bottom surface of the pressing plate, which is adjacent to each pressing part, is provided with a supporting groove, and the other end of the base, which is far away from the clamping part, is supported in the supporting groove at the same end of the pressing plate;

or the top surface of the other end of the base, which is far away from the clamping part, is provided with a supporting groove, the bottom surface of the pressing plate is downwards extended to form a supporting part at a position adjacent to the corresponding pressing part, and the supporting part is supported in the supporting groove of the base at the same end.

In the implementation process, the pressing plate and the base are matched with each other through the abutting part and the abutting groove, so that the positioning effect between the pressing plate and the base is ensured, and the fixing effect of the clamp is ensured.

In a possible implementation manner, the parts of the bottom surface on two sides of the abutting groove extend downwards or the parts of the top surface on two sides of the abutting groove extend upwards to form the blocking part.

In the implementation process, the side edge of the abutting groove is subjected to extension treatment, so that the part abutted into the abutting groove can be prevented from moving backwards or loosening.

In a second aspect, an embodiment of the present application provides a building integrated photovoltaic system, which includes:

the long sides of the profiled steel plates are tiled in the same direction and connected together, and a clamping groove with an opening facing the outside is formed in each profiled steel plate at a position close to the two long sides;

each profiled steel plate is provided with at least one photovoltaic panel, and two opposite edges of each photovoltaic panel are correspondingly positioned on two clamping grooves of the profiled steel plate;

at least one set of anchor clamps subassembly that first aspect provided, the clamp plate of every set of anchor clamps subassembly spanes the junction of two adjacent profiled steel sheets, and the pressfitting face at both ends is pressed respectively on the photovoltaic panel border of junction both sides, and the card of base is held the card and is partly inserted respectively in the draw-in groove of junction both sides, and clamp plate and base pass through fastener fastening and be in the same place.

In the implementation process, the profiled steel sheets are connected together to form the metal roof, the clamp assembly is used for fixing the photovoltaic panels and the profiled steel sheets, the pressing plates of the clamp assembly are designed in an integrated mode, stretch across the joints of two adjacent profiled steel sheets and are respectively combined with the bases on two sides, and therefore the photovoltaic panels on two sides are fixed to the corresponding profiled steel sheets, the installation is convenient, structural glue is not needed, and the clamp assembly can be detached; and the photovoltaic panels arranged on the two sides have high consistency, and are smooth and attractive.

Can prevent that the anchor clamps subassembly from twisting reverse when metal roofing installation photovoltaic panel, after the installation is accomplished, the anchor clamps subassembly passes through integral type clamp plate, base and fastener, closely laminates together with profiled sheet, forms the strong system architecture of wholeness, can support the wind load, has improved holistic anti-wind and has taken off the performance.

In one possible implementation, the middle part of the profiled steel sheet protrudes upwards to form a support platform, the two long-side parts protrude upwards to form support ribs, and the support rib on each side is provided with a clamping groove with an opening facing outwards.

In the implementation process, the middle part and the long edge part of the profiled steel sheet form a support table and support ribs which jointly support a photovoltaic panel arranged on the support table and support ribs, the support ribs positioned on the two long edge parts not only support the photovoltaic panel, but also provide a clamping groove with an outward opening, a base provided with a clamp assembly is inserted into the clamping groove and then combined with other components of the clamp assembly, and two opposite side edges of the photovoltaic panel can be fixed on the corresponding support ribs, so that the profiled steel sheet can be well combined with the photovoltaic panel, the photovoltaic panel is simple, convenient and stable to install, the load-resisting capacity is strong, the use scenes with different functions are met, and meanwhile, the reservation condition of use functions can be increased for subsequent roofs.

In a possible implementation manner, the long edge of each profiled steel sheet located outside the support rib extends upwards to form a lockstitching surface, the lockstitching surfaces of two adjacent profiled steel sheets are wound in a stacking manner to form a lockstitching structure, and the pressing plate of each set of clamp assembly spans the corresponding lockstitching structure.

In the implementation process, two adjacent profiled steel sheets are wound in an overlapping mode through the lockstitching surface layer to form the lockstitching structure, the two profiled steel sheets can be connected together to form the metal roof, the pressing plate stretches across the corresponding lockstitching structure, the pressing plate is not directly contacted with the metal roof plate, particularly the lockstitching structure, and metal corrosion is prevented.

In one possible implementation, one or at least two sets of spaced apart jig assemblies are provided on one side of each photovoltaic panel.

In the implementation process, at least one set of fixing point is arranged on one side edge of each photovoltaic module on the two opposite sides, or more than two sets of fixing points are formed, so that the photovoltaic panel can be stably fixed on the profiled steel sheet.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a building integrated photovoltaic system according to a first embodiment of the present application;

FIG. 2 is a schematic view of the structure of FIG. 1 from another perspective;

FIG. 3 is a schematic structural view of the stamped steel sheet of FIG. 1;

FIG. 4 is a schematic structural view of the support rib of FIG. 3;

fig. 5 is a schematic structural diagram of a building integrated photovoltaic system according to a second embodiment of the present application;

fig. 6 is a schematic structural diagram of a building integrated photovoltaic system according to a third embodiment of the present application;

fig. 7 is a schematic structural diagram of a building integrated photovoltaic system according to a fourth embodiment of the present application.

Icon: 001-building integrated photovoltaic systems; 100-profiled steel sheet; 110-a support table; 111-support plane; 120-support ribs; 121-edge support plane; 122-transition surface; 123-a first groove face; 124-a second groove face; 125-third groove face; 126-card slot; 130-lockrand face; 210-a platen; 211-a nip; 212-a glue strip; 220-a base; 221-a catch; 222-a holding portion; 223-rubber gasket; 230-fastening screw; 240-foam cotton layer; 300-a photovoltaic panel; 400-a lockstitching structure; 500-boat form support; 002-building a photovoltaic integrated system; 20-pressing a plate; 003-building integrated photovoltaic systems; 30-pressing plate; 004-building integrated photovoltaic systems; 40-a base; 41-a catch.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally found in use of products of the application, and are used only for convenience in describing the present application and for simplification of description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the present application, it is further noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

First embodiment

Referring to fig. 1 to 4, the present embodiment provides a building integrated photovoltaic system 001, which includes a plurality of profiled steel sheets 100 and a plurality of photovoltaic panels 300 (("several" means at least 2), and at least one set of fixture assemblies for fixing the photovoltaic panels 300 to the profiled steel sheets 100.

Wherein, the long limit syntropy tiling of profiled sheet 100 is in parallel connected together, every position that is close to two long limits has a draw-in groove 126 of opening outside respectively, to the condition that profiled sheet 100 length and roofing length are close, the long limit of all profiled sheet 100 sets up one row side by side and can pave the roofing, the adjacent long limit coincide of two adjacent profiled sheet 100 and buckle and realize connecting together, adjacent draw-in groove 126 opening direction is relative, this kind of profiled sheet 100 arrange the connection form and be favorable to waterproofly.

In other embodiments, the length of the profiled steel sheets 100 is less than the length of the roof, that is, at least two rows of profiled steel sheets 100 are required to be laid on the roof, all the profiled steel sheets 100 may be arranged in a row and a column according to the same direction of the long edge, the adjacent edges of the profiled steel sheets 100 in the same row are overlapped up and down, the two adjacent profiled steel sheets 100 in the same row are overlapped and bent together through the adjacent long edges to realize the connection, and the opening directions of the adjacent clamping grooves 126 in the same row are opposite. The profiled steel sheet 100 has small warpage and low forming process difficulty, and the flatness of the metal roof formed by arrangement and connection is high.

At least one photovoltaic panel 300 is arranged on each profiled steel sheet 100, and two opposite edges of each photovoltaic panel 300 are correspondingly positioned on the two clamping grooves 126 of the profiled steel sheet 100; each set of fixture assembly is arranged at the joint of two adjacent profiled steel sheets 100, part of the fixture assembly is pressed on the edges of the photovoltaic assemblies at two sides of the joint, part of the fixture assembly is inserted into the clamping grooves 126 at two sides of the joint, and the two parts are fastened and connected together.

The structure of each part in the system is described in detail below.

(1) Referring to fig. 3 and 4, a middle portion of each profiled steel sheet 100 protrudes upward to form a support base 110, the support base 110 has a support plane 111 (in other embodiments, the support base 110 may not be provided), two long side portions protrude upward to form support ribs 120, and the long side of the profiled steel sheet 100 outside the support ribs 120 extends upward to form a locking surface 130. The support rib 120 is divided into an edge support plane 121, a transition surface 122 formed by extending the edge outside the edge support plane 121 downward, a first groove surface 123 formed by extending the transition surface 122 inward, a second groove surface 124 formed by extending the first groove surface 123 downward, a third groove surface 125 formed by extending the second groove surface 124 outward, and a locking groove 126 opened outward is surrounded by the first groove surface 123, the second groove surface 124 and the third groove surface 125. The support plane 111 and the edge support plane 121 are located on the same plane, and the first groove surface 123 is an inclined surface inclined with respect to the edge support plane 121 by an angle of 5 to 60 degrees. The width of the clamping groove 126 gradually increases from the notch to the groove bottom, and the ratio of the width of the notch of the clamping groove 126 to the width of the groove bottom is 1: 1.4 to 4. The notch position of draw-in groove adopts the throat design, and the throat degree is in certain ratio within range, makes the draw-in groove can provide spacing locking function to the anchor clamps of placing wherein, can prevent it from twising reverse when the sectional fixture from, again can be after the installation spacing locking to the anchor clamps, in other embodiments, draw-in groove 126 still can be other shapes, for example for the rectangle.

The overlock structures 400 are formed by stacking and winding the overlock surfaces 130 of two adjacent profiled steel sheets 100, the overlock structures 400 are vertical relative to the plane, the opening directions of the clamping grooves 126 of the adjacent support ribs 120 of the two adjacent profiled steel sheets 100 are opposite, and a boat-shaped support 500 for supporting a metal roof is arranged below the joint of the two adjacent profiled steel sheets 100.

(2) Opposite edges of the photovoltaic panel 300 are respectively disposed on the two support ribs 120 and the support platform 110 corresponding to the profiled steel sheet 100, and foam layers 240 are disposed at contact positions of the photovoltaic panel 300 with the support ribs 120 and the support platform 110, specifically, between the support plane 111 and the middle of the bottom surface of the photovoltaic panel 300, and foam layers 240 are respectively disposed between the edge support plane 121 and the opposite edges of the photovoltaic panel 300. Can arrange along long limit direction on every profiled sheet 100 and set up two or even polylith profiled sheet 100, photovoltaic panel 300 can be side by side or dislocation set on two adjacent profiled sheets 100, need guarantee that neighbouring photovoltaic panel 300 can be together fixed through same set of anchor clamps subassembly on two adjacent profiled sheets 100.

(3) Each set of clamp assembly comprises a pressing plate 210, two bases 220 and at least two fasteners, the materials of the fasteners can be aluminum alloy or other hard materials, the fasteners can be fastening screws 230, the two opposite ends of the pressing plate 210 are respectively provided with pressing parts 211, the bottom surface of the pressing parts 211 is provided with an elastic layer, the embodiment specifically is an adhesive tape 212, the bottom surface of the adhesive tape 212 is provided with a pressing surface, in other embodiments, the fasteners can also be elastic layers made of other materials, and abutting grooves are correspondingly arranged at the positions, adjacent to the pressing parts 211 at each end, of the bottom surface of the pressing plate 210; the opposite ends of each base 220 are a holding portion 221 and an abutting portion 222.

The platen 210 of each set of clamp assemblies spans the junction between two adjacent profiled steel sheets 100, and in particular spans the lockstitching structure 400. The pressing surfaces at the two ends of the pressing plate 210 are respectively pressed on the edges of the photovoltaic panel 300 at the two sides of the connection part; the two bases 220 are respectively disposed below the two ends of the pressing plate 210 and located at the two sides of the serging structure 400, the clamping portion 221 of each base 220 is inserted into the clamping groove 126 of the profiled steel sheet 100 at the same side, and the abutting portion 222 abuts against the corresponding abutting groove at the same side. In other embodiments, a supporting portion may be further disposed on the pressing plate 210, and a supporting groove is disposed on the base 220 to realize mutual supporting between the pressing plate 210 and the base 220, specifically, a supporting groove is disposed on a top surface of the other end of the base 220 far away from the clamping portion 221, a position of the bottom surface of the pressing plate 210 adjacent to the corresponding pressing portion 211 extends downward to form the supporting portion, and the supporting portion is supported in the supporting groove of the base 220 at the same end. In this embodiment, a rubber gasket 223 or a barrier made of other materials is disposed between the clamping portion 221 of the base 220 and the corresponding clamping groove 126; the parts of the bottom surface of the pressing plate 210 located at the two sides of the abutting groove extend downwards to form a blocking part, and the blocking part of the abutting groove far away from the corresponding pressing part 211 extends for a longer time. When viewing the supporting rib 120, the pressing portion 211 is located on the supporting plane 111 of the supporting rib 120, and the clamping portion 221 is located in the clamping groove 126 of the supporting rib 120, so that the clamping portion 221 is located below the pressing portion 211 at the same end and clamps a side edge of the photovoltaic panel 300 therebetween. Each fastener is fastened and connected with the pressing plate 210 and the base 220 arranged on the same side, specifically, the fastener penetrates and connects the pressing plate 210 and the base 220, and the penetrating position is located between the pressing part 211 and the abutting groove of the pressing plate 210 and between the clamping part 221 and the abutting part 222 of the base 220.

This application has increased separation spare such as cotton layer of bubble, rubber gasket in the place that profiled sheet 100 and anchor clamps contacted and has kept apart, has effectively prevented different intermetallic galvanic corrosion, has avoided potential metal roofing galvanic corrosion.

The portion of the pressing plate 210 located between the two abutting grooves protrudes upward, the protruding portion of the pressing plate 210 is square, and the protruding portion forms an accommodating space, which can just be used for placing the lockstitching structure 400. The height of the overlock structure 400 can be reduced according to practical situations, and the protruding height of the pressure plate 210 can be slightly higher than the fastening screw 230, or even with the fastening screw 230, or slightly lower.

In addition, the pressure plate 210 may be provided with openings or slots that may be used to mount other accessories, such as safety devices (safety cords and the like), decorative covers, monitoring, cleaning devices, lightning protection equipment, sensors, and the like. The surface of the platen 210 may also be reflectively treated to increase the amount of light received by the assembly.

One side of each photovoltaic panel 300 is provided with one set or at least two sets of fixture assemblies arranged at intervals, specifically, the adjacent edges of two photovoltaic assemblies side by side on two adjacent profiled steel sheets 100 are provided with one set or at least two sets of fixture assemblies arranged at intervals, and for the outer side of the photovoltaic assembly on the profiled steel sheet 100 at the outermost side, the fixture assembly is not limited to be fixed, and a conventional fixture can also be used for fixing.

The installation process of the building integrated photovoltaic system 001 is as follows:

the profiled steel sheet 100 is assembled and connected to form a metal roof, and the photovoltaic panel 300 and the clamp assembly can be installed after the acceptance is passed.

Firstly, placing foam on the supporting side ribs of the profiled steel sheet 100 and the supporting table 110, and then placing the photovoltaic panel 300 on the foam; then, the base 220 and the rubber gasket 223 are arranged on two sides of the corresponding position, then the pressure plate 210 with the rubber strip 212 is arranged, the two fastening screws 230 are arranged, and the locking force is applied to lock the base 220 and the corresponding pressure plate 210.

Second embodiment

Referring to fig. 5, the present embodiment provides a building integrated photovoltaic system 002, which is different from the first embodiment in that: the convex portion of the pressure plate 20 is curved.

Third embodiment

Referring to fig. 6, a building integrated photovoltaic system 003 provided in the present embodiment is different from the first embodiment in that: the height of the overlock structure 400 is reduced according to practical situations, and correspondingly, the height of the protrusion of the pressing plate 30 can also be reduced correspondingly, so as to reduce the shading of the protrusion, and the pressing plate 30 of this embodiment is not provided with the protrusion.

Fourth embodiment

Referring to fig. 7, a building integrated photovoltaic system 004 provided by the present embodiment is different from the first embodiment in that: the shape of the clamping groove of the profiled steel sheet 100 is adjusted, specifically designed to be rectangular, the base 40 in the fixture is also adjusted adaptively, specifically, the shape of the clamping part 41 of the base 40 is adjusted to be matched with the shape of the clamping groove 126, specifically rectangular.

To sum up, the anchor clamps subassembly and the building photovoltaic integration system of this application embodiment realize that the wind-resistant performance of tearing off of metal roofing can also be improved on photovoltaic panel mechanical fixation is in metal roofing.

The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A clamp assembly, comprising:

the pressing plate is provided with pressing parts at two opposite ends, and the bottom surface of each pressing part is provided with a pressing surface;

when the two bases are respectively arranged below two ends of the pressing plate and the clamping part of each base is positioned below the pressing part at the same end, the other end of the base, far away from the clamping part, is abutted against the position, close to the pressing part and corresponding to the pressing part, of the pressing plate;

at least two fasteners, each fastener can fasten connect the clamp plate and the base that sets up with the end.

2. The clamp assembly of claim 1, wherein a bottom surface of the press portion is provided with an elastic layer, and the bottom surface of the elastic layer has the press surface.

3. The clamp assembly of claim 1, wherein a holding groove is provided on the bottom surface of the pressing plate adjacent to each pressing portion, and the other end of the base away from the retaining portion is inserted into the holding groove at the same end of the pressing plate;

or, the top surface of the other end of the base, which is far away from the clamping part, is provided with a supporting groove, the bottom surface of the pressing plate and the position adjacent to the pressing part extend downwards to form a supporting part, and the supporting part is supported in the supporting groove of the base at the same end.

4. The clamp assembly of claim 3, wherein a portion of the pressure plate located between the two abutting grooves protrudes upward, and the protruding portion forms an accommodating space.

5. The clamp assembly of claim 3, wherein the portions of the bottom surface on both sides of the retaining groove extend downward or the portions of the top surface on both sides of the retaining groove extend upward to form a stop.

6. The clamp assembly of claim 1, wherein said pressure plate is provided with an aperture or slot.

7. A building integrated photovoltaic system, characterized in that it includes:

the long sides of the profiled steel plates are tiled in the same direction and connected together, and a clamping groove with an opening facing the outer side is formed in each profiled steel plate at a position close to the two long sides;

each profiled steel plate is provided with at least one photovoltaic panel, and two opposite edges of each photovoltaic panel are correspondingly positioned on the two clamping grooves of the profiled steel plate;

the fixture assembly of claim 1, wherein the pressing plate of each fixture assembly spans the joint of two adjacent profiled steel plates, the pressing surfaces at two ends of the fixture assembly are respectively pressed on the edges of the photovoltaic panels at two sides of the joint, the clamping parts of the base are respectively inserted into the clamping grooves at two sides of the joint, and the pressing plate and the base are fastened together by the fastening member.

8. The building integrated photovoltaic system according to claim 7, wherein the profiled steel sheet has a support platform formed by a middle portion thereof protruding upward, two long side portions thereof protruding upward to form support ribs, and the support ribs on each side have the locking grooves opened outward.

9. The building integrated photovoltaic system of claim 8, wherein the long sides of the profiled steel sheets located outside the support ribs extend upward to form a lockstitching surface, the lockstitching surfaces of two adjacent profiled steel sheets are overlapped to form a lockstitching structure, and the pressing plate of each set of the clamp assembly spans the corresponding lockstitching structure.

10. The building integrated photovoltaic system of claim 7, wherein one or at least two spaced apart sets of jig assemblies are provided on one side of each of the photovoltaic panels.