CN215934770U - Frameless photovoltaic assembly installation device and photovoltaic roof combined system - Google Patents

Abstract

The embodiment of the application provides a frameless photovoltaic module installation device and a photovoltaic roof combination system, and relates to the field of photovoltaic module application. Two long edges of each profiled metal plate in the frameless photovoltaic assembly mounting device are respectively bent to form edge convex edges along the long edge direction, and the profiled metal plate below each edge supporting surface is bent to form a clamping groove with an outward opening; the clamping piece is configured to enable one end to be inserted into the corresponding clamping groove and the other end to extend out of the supporting surface of the corresponding edge part; each pressing block is configured to be capable of being arranged above the corresponding edge supporting surface and extending to the outside; each locking member is configured to lock the corresponding clamp member and press block and is located outside the corresponding edge support surface. The frameless photovoltaic assembly mounting device and the photovoltaic roof combined system realize simple and stable mounting of the frameless photovoltaic assembly, and improve the load resistance and the integral wind uncovering resistance of the assembly.

Description

Frameless photovoltaic assembly installation device and photovoltaic roof combined system

Technical Field

The application relates to the field of photovoltaic module application, in particular to a frameless photovoltaic module installation device and a photovoltaic roof combined system.

Background

With the development of society, solar energy is paid attention and paid attention as a green clean energy. Photovoltaic modules are used to convert solar energy into electrical energy, and are one of the important ways to utilize solar energy. The frameless photovoltaic module can improve the utilization rate of sunlight and is an important research direction of the photovoltaic module. Due to the structural particularity of the frameless photovoltaic assembly, the frameless photovoltaic assembly is easy to damage and high in installation difficulty. Building Integrated Photovoltaics (BIPV) is a novel installation mode, breaks through the barrier between the traditional Photovoltaic industry and the Building industry, and enables a Photovoltaic module to be widely applied.

At present, in order to realize the installation mode of building-integrated photovoltaic of the double-glass frameless photovoltaic module, the following two schemes are generally adopted, wherein one scheme is that the double-glass frameless photovoltaic module is adhered to a metal roof formed by a profiled metal plate by structural adhesive. According to the scheme, for the bonding effect of the structural adhesive, the surface of the profiled metal plate needs to be cleaned before the structural adhesive is bonded, so that the construction cost is increased; and after the structural adhesive is adopted for bonding, the disassembly and the maintenance are difficult.

The other scheme is that a mounting groove is pressed in the middle of a profiled metal plate, a double-glass frameless photovoltaic module is directly mounted on a metal roof formed by the profiled metal plate through a pressing block and a bolt, the photovoltaic module is located in the middle of the profiled metal plate, and a mounting connection point (namely a fixed point) of the photovoltaic module is mainly located at the position around the mounting groove. Because the mounting groove department in the middle of the die mould metal sheet does not set up the fixed point, perhaps the fixed point is insecure, does not play a role in the anti-wind of die mould metal sheet is uncovered, still can cause the concentrated load bearing capacity of subassembly relatively poor, can not get on one's possession. And because the middle of the profiled metal sheet does not obtain the wind tearing resistant reinforcing effect of the photovoltaic module, under the action of negative wind pressure, the middle of the profiled metal sheet can float up and down, and the risk of hidden cracking of a cell of the photovoltaic module is caused.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the application is to provide a frameless photovoltaic module installation device and a photovoltaic roof combined system, which realize simple, convenient and stable installation of a frameless photovoltaic module, and improve the load resistance and the overall wind resistance of the module.

In a first aspect, an embodiment of the present application provides a frameless photovoltaic module installation apparatus, which includes:

the upper surface of the edge convex edge is an edge supporting surface, and the profiled metal sheet below each edge supporting surface is bent to form a clamping groove with an outward opening;

the clamping pieces correspond to the edge convex ridges one by one, one end of each clamping piece is inserted into the corresponding clamping groove, and the other end of each clamping piece extends out of the corresponding edge supporting surface;

the pressing blocks correspond to the clamping pieces one by one, each pressing block is configured to be arranged above the corresponding edge supporting surface and extend to the outside, and rubber strips are arranged between the part of each pressing block above the corresponding edge supporting surface and the corresponding edge supporting surface;

the retaining member, retaining member and fastener one-to-one, every retaining member is configured into and is used for locking corresponding fastener and briquetting, and is located the limit portion holding surface outside that corresponds.

In the above-mentioned implementation process, the limit portion holding surface of die mould metal sheet forms the holding surface that is used for bearing frameless photovoltaic module jointly, and the buckle groove of limit portion holding surface below design is convenient for set up the fastener, set up the briquetting back simultaneously in limit portion holding surface top, through fastener and the briquetting that retaining member locking corresponds, thereby can be with frameless photovoltaic module's limit portion position locking, realize frameless photovoltaic module's simple and convenient, firm installation, need not to wash die mould metal sheet before the installation, save construction cost. The assembly and the profiling metal plate can be mounted together by the clamp formed by the clamping piece, the pressing block and the locking piece, the maintenance and the disassembly are very convenient, and each part of the clamp adopts a specific position design to ensure that the arrangement of the photovoltaic assembly is not influenced; the position that the briquetting lower surface corresponds limit portion holding surface sets up the sticky tape, and the sticky tape of this position and photovoltaic module's upper surface contact have certain adhesion and cushioning effect to no frame photovoltaic module. After the assembly is installed, the edge parts at two ends of the assembly are tightly attached to the profiled metal plate, the assembly and the profiled metal plate form a whole to resist wind load, and the load-resisting capacity of the profiled metal plate and the assembly is improved.

In one possible implementation, the clip includes a latching portion insertable into the corresponding latching groove and a first connecting portion simultaneously extendable out of the latching groove, the locking member being configured to be insertable into the corresponding first connecting portion.

In the above-mentioned implementation process, buckle portion inserts the buckle inslot, and outside first connecting portion just stretched out the buckle groove, and was located photovoltaic module's the limit portion outside, sets up the retaining member through the position at first connecting portion again, just can be through locking fastener and fixture block under the prerequisite that does not influence photovoltaic module to pin die mould metal sheet and photovoltaic module.

In a possible implementation, the pressing block includes a pressing block portion capable of being located above the corresponding edge supporting surface and a second connecting portion capable of extending to the outside at the same time, a lower surface of the pressing block portion is provided with an adhesive tape, the second connecting portion is configured to be located above the corresponding first connecting portion, and the locking member is configured to be inserted into the corresponding second connecting portion.

In the implementation process, the pressing block portion is pressed on the photovoltaic module located on the supporting surface of the edge portion, the second connecting portion just extend to the outer side of the edge portion of the photovoltaic module, and the pressing metal plate and the photovoltaic module can be locked on the premise that the photovoltaic module is not affected by the locking piece arranged on the second connecting portion.

In a possible implementation manner, the edge bead is a hollow structure formed by bending the profiled metal sheet, and the position where the buckling part contacts with the corresponding edge bead is provided with the isolation layer.

In the implementation process, the edge convex edge is of a hollow structure with a certain thickness, the clamping piece is inserted into the clamping groove, and the isolating layer with the buffering effect is arranged at a specific position, so that the damage of the clamping piece to the profiled metal sheet is reduced.

In a possible implementation manner, the edge protruding edge is a solid structure formed by bending and overlapping the profiled metal sheet, the second connecting portion protrudes relative to the corresponding pressing block portion or the first connecting portion protrudes relative to the corresponding buckling portion, and an isolation layer is arranged at a position where the buckling portion is in contact with the corresponding edge protruding edge.

In the above-mentioned realization process, because limit portion bead is the sheet layer structure, be not convenient for set up the adapting unit that can support limit portion bead, consequently briquetting or fastener adopt the ladder design, guarantee that the hookup location of briquetting and fastener is close enough to guarantee the stationarity that the retaining member set up.

In one possible implementation mode, the middle part of the profiled metal sheet is bent to form at least one middle convex rib extending along the long side direction, and the upper surface of the middle convex rib is a middle supporting surface;

and/or the frameless photovoltaic module mounting device comprises at least two profiled metal plates, all the profiled metal plates are arranged side by side, and the adjacent long edges are overlapped and bent together.

In the above-mentioned realization process, the limit portion holding surface and the middle part holding surface of die mould metal sheet form the holding surface that is used for bearing frameless photovoltaic module jointly, after the installation component, locking photovoltaic module's both ends limit portion, the middle part bead supports photovoltaic module's middle part simultaneously, and the supporting effect of middle part holding surface is good, the both ends limit portion and the middle part of subassembly can both be in close contact with the die mould metal sheet together, subassembly and die mould metal sheet form an organic whole and resist the wind load, improve the anti-load capacity of die mould metal sheet and subassembly.

Through many profiled metal sheet combinations to realize the range installation of polylith photovoltaic module in horizontal and vertical two directions, thereby form the photovoltaic module roofing.

In a second aspect, the embodiment of the application provides a photovoltaic roof combined system, which comprises a plurality of frameless photovoltaic modules and a frameless photovoltaic module installation device provided by the first aspect, each profiled metal plate is provided with a plurality of frameless photovoltaic modules arranged along the long edge direction, each frameless photovoltaic module is arranged on an edge supporting surface of the profiled metal plate, two end edges of each frameless photovoltaic module are respectively located between corresponding edge supporting surfaces and rubber strips of the press blocks and are locked together by the corresponding locking pieces, and an isolation rubber strip is further arranged between each frameless photovoltaic module and the corresponding edge supporting surface.

In the implementation process, because the two end edge parts of the frameless photovoltaic module are tightly attached to the profiled metal plate, the profiled metal plate and the module are stressed integrally. The front face of the component has good compression resistance, and the concentrated load and the uniform load on the front face are effectively resisted. And under the action of negative wind pressure, the wind uncovering resistance is good. The design of the isolation adhesive tape on the supporting surface of the edge part can utilize the adhesion effect of the isolation adhesive tape to enable the frameless photovoltaic module and the compression metal plate to be attached together, and simultaneously, the buffer effect of the isolation adhesive tape is utilized to reduce the damage of the edge part convex edge part and the middle part convex edge part of the compression metal plate to the frameless photovoltaic module.

In a possible implementation manner, the frameless photovoltaic module mounting device comprises at least two profiled metal plates, all the profiled metal plates are arranged side by side, the adjacent long edges are overlapped and bent together, and a support is arranged below the profiled metal plates connected by the bending parts.

In the implementation process, the support for the edge supporting surface of the profiled metal sheet is realized through the support, so that the profiled metal sheet cannot deform when being stressed.

In one possible implementation, the frameless photovoltaic module mounting device is arranged above the roof, and the support is located between the profiled metal sheet and the roof and is fixed to the roof.

In the above implementation process, the support is fixed to the roof, and the specific position of the profiled metal sheet is pressed on the support, so that the support and the fixation of the profiled metal sheet are realized.

In one possible implementation mode, the middle part of the profiled metal sheet is bent to form at least one middle convex edge extending along the long side direction, the upper surface of the middle convex edge is between middle supporting surfaces corresponding to the middle supporting surfaces, the frameless photovoltaic assembly is arranged on the edge supporting surfaces and the middle supporting surfaces of the corresponding profiled metal sheet, and isolation tapes are arranged between the frameless photovoltaic assembly and the corresponding edge supporting surfaces and between the middle supporting surfaces;

and/or a cavity is formed between each frameless photovoltaic assembly and the lower profiled metal plate, and a positive terminal box and a negative terminal box which are electrically connected with the frameless photovoltaic assemblies are arranged in the cavity.

In the implementation process, because the edge parts and the middle parts of the two ends of the frameless photovoltaic module can be tightly attached to the profiled metal plate, the profiled metal plate and the module are stressed integrally. When the assembly bears the positive pressure, the edge convex edge and the middle convex edge of the profiled metal plate form three stress edges on the back of the assembly, namely, the two sides and the middle of the photovoltaic assembly are provided with bearing structures, so that the positive load-resisting capacity of the assembly is improved, the positive compression resistance of the assembly is good, the positive concentrated load and the uniform load are effectively resisted, the photovoltaic assembly roof of people can be formed, and the installation capacity of the metal roof assembly is improved. And under the action of negative wind pressure, the wind uncovering resistance is good. The design of the release tape on the edge support surface and the middle support surface can utilize the adhesive and cushioning effects of the release tape.

The installation of the positive terminal box and the negative terminal box is realized, and the cavity is fully utilized according to local conditions.

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 photovoltaic roofing assembly system according to a first embodiment of the present disclosure;

FIG. 2 is a schematic structural view of the frameless photovoltaic module of FIG. 1;

FIG. 3 is a schematic view of the edge support portion of FIG. 1;

FIG. 4 is a schematic view of the construction of the clip of FIG. 3;

FIG. 5 is a schematic structural view of the compact of FIG. 3;

FIG. 6 is a schematic view of the structure of the profiled metal sheet of FIG. 3;

FIG. 7 is a schematic structural view of the middle support portion of FIG. 1;

FIG. 8 is a schematic view of the structure of the profiled metal sheet of FIG. 7;

FIG. 9 is a schematic view of the structure of FIG. 1 under load;

fig. 10 is a schematic structural view of an edge support portion of a photovoltaic roofing assembly system according to a second embodiment of the present disclosure;

FIG. 11 is a schematic view of the structure of the profiled metal sheet of FIG. 10;

fig. 12 is a schematic structural diagram of a photovoltaic roofing assembly system according to a third embodiment of the present disclosure;

FIG. 13 is a schematic view of the structure of FIG. 12 from another perspective;

fig. 14 is a schematic structural view of an edge support portion of a photovoltaic roofing assembly system according to a fourth embodiment of the present disclosure;

fig. 15 is a schematic structural view of an edge support portion of a photovoltaic roofing assembly system according to a fifth embodiment of the present disclosure;

fig. 16 is a schematic structural view of an edge support portion in a photovoltaic roofing assembly system according to a sixth embodiment of the present disclosure.

Icon: 100-photovoltaic roofing assembly systems; 110-frameless photovoltaic modules; 111-barrier tape; 120-profiling a metal sheet; 121-edge bead; 122-edge support surface; 123-middle rib; 124-middle support surface; 125-a snap groove; 130-a cartridge; 131-a snap-fit portion; 132-a first connection; 133-a positioning section; 134-an isolation layer; 140-briquetting; 141-a briquetting section; 142-a second connection portion; 143-positioning grooves; 144-glue strip; 150-a retaining member; 160-edge support; 170-middle support; 221-edge bead; 231-a snap-fit portion; 232-a first connection; 233-a positioning section; 234-an isolation layer; 241-a briquetting part; 242 — a second connecting portion; 300-a photovoltaic roofing assembly system; 310-positive terminal box; 320-a negative terminal box; 330-a cable; 431-a buckling part; 432-first connection; 433-a positioning part; 434-an isolation layer; 441-a briquetting section; 442-a second connecting portion; 510-auxiliary ribs; 531-a fastening part; 532-first connection; 534-an isolation layer; 541-a briquetting section; 542-a second connecting portion; 610-auxiliary bead; 631-a snap-fit portion; 632 — a first connection; 634-an isolation layer; 641-a briquetting section; 642-second connecting portion.

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," and the like are used merely to distinguish one description 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," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; 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, a photovoltaic roofing assembly system 100 provided in this embodiment includes a plurality of frameless photovoltaic assemblies 110 and a frameless photovoltaic assembly installation device, the frameless photovoltaic assemblies 110 are installed and fixed on the frameless photovoltaic assembly installation device, and the frameless photovoltaic assemblies 110 are installed and fixed by the frameless photovoltaic assembly installation device.

First, referring to fig. 2, a structure of the frameless photovoltaic module 110 will be described.

Frameless photovoltaic module 110 generally adopts front panel and backplate to encapsulate the battery cluster, for example, front panel and backplate all adopt the dual glass assembly of glass board, in order to increase the photic area, have saved the frame, and it is fragile that the subassembly is whole along with, because it is that the regional direct centre gripping of being difficult to fix of subassembly limit because of lacking the protection of frame. In this embodiment, the frameless photovoltaic module 110 further includes an isolation tape 111 adhered to the edge portions and the middle portion of the two ends of the back plate, and the isolation tape 111 is generally adhered to a specific position on the back surface of the frameless photovoltaic module 110 when the photovoltaic module is shipped. In other embodiments, the frameless photovoltaic module 110 may not include the isolation tape 111, but may be additionally disposed when the frameless photovoltaic module 110 is installed.

It should be noted that the arrangement of the isolation adhesive tape 111 on the frameless photovoltaic module 110 needs to correspond to the bearing area of the frameless photovoltaic module mounting device, so as to ensure that the isolation adhesive tape 111 is arranged at the contact position of the frameless photovoltaic module mounting device and the back surface of the frameless photovoltaic module 110, so as to realize flexible contact.

Next, the structure of the frameless photovoltaic module mounting device will be described in detail.

Referring to fig. 3, 6, 7 and 8 in combination, the frameless photovoltaic module mounting device includes at least one pressed metal plate 120 for supporting the frameless photovoltaic module 110, a clamp for locking the pressed metal plate 120 and the frameless photovoltaic module 110, and a support for supporting a specific position of the pressed metal plate 120.

The two long sides of each profiled metal sheet 120 are respectively bent to form edge protruding ridges 121 extending along the long side direction, the upper surfaces of the edge protruding ridges 121 are edge supporting surfaces 122, the profiled metal sheet 120 below each edge supporting surface 122 is bent to form a buckling groove 125 with an outward opening, the middle of the profiled metal sheet 120 is bent to form at least one middle protruding ridge 123 extending along the long side direction, and the upper surface of the middle protruding ridge 123 is a middle supporting surface 124.

Referring to fig. 3 to 6, each of the profiled metal sheets 120 is provided with a plurality of frameless photovoltaic modules 110 arranged along the longitudinal direction, and the frameless photovoltaic modules 110 are disposed on the edge supporting surface 122 and the middle supporting surface 124 of the profiled metal sheets 120. After the frameless photovoltaic module 110 is set in place, two sides of the frameless photovoltaic module 110 are located on the side supporting surfaces 122 of the two side ribs 121, the middle of the frameless photovoltaic module 110 is located on the middle supporting surface 124 of the middle rib 123, and the isolation tape 111 on the back of the frameless photovoltaic module is just located on the corresponding side supporting surface 122 and the middle supporting surface 124. In this embodiment, a middle rib 123 is disposed in the middle of each profiled metal plate 120, and correspondingly, only one isolation tape 111 is disposed in the middle of the back of the frameless photovoltaic module 110. In other embodiments, two more middle protruding ribs 123 can be further disposed in the middle of each profiled metal sheet 120, the number of the middle protruding ribs 123 is related to the width of the frameless photovoltaic module 110, the wider the frameless photovoltaic module 110 is, the more middle protruding ribs 123 need to be disposed, and the middle protruding ribs 123 are generally uniformly arranged to ensure the supporting effect on the middle of the module.

It should be noted that the surfaces of the release tapes 111 located at the edge portions of the two ends of the frameless photovoltaic module 110, which are in contact with the edge supporting surface 122 of the profiled metal sheet 120, may have viscosity or may not have viscosity, and the release tapes 111 at the positions mainly play roles of isolation and buffering; the surface of the release tape 111, which is in contact with the middle supporting surface 124 of the profiled metal sheet 120, is sticky in the middle of the frameless photovoltaic module 110.

In this embodiment, the frameless photovoltaic module mounting device includes at least two profiled metal sheets 120, all the profiled metal sheets 120 are arranged side by side, and the adjacent long sides are folded together.

It should be noted that the term "rib" in the present embodiment means a protrusion that protrudes from the main body (steel plate before bending process) of the profiled metal sheet 120 and has a certain width; the description about the shape in the present embodiment generally refers to the sectional shape in the width direction of the stamped metal sheet 120.

Referring to fig. 3 to 5, the clamp mainly comprises a clamping member 130, a pressing member 140 and a locking member 150. The clips 130 correspond to the edge ribs 121 one by one, one end of each clip 130 is inserted into the corresponding clip groove 125, and the other end extends out of the corresponding edge supporting surface 122; briquetting 140 and fastener 130 one-to-one, every briquetting 140 sets up in the limit portion holding surface 122 top that corresponds, press in the limit portion that no frame photovoltaic module 110 is located on limit portion holding surface 122 and extend to the outside specifically, briquetting 140 is located and is provided with adhesive tape 144 between the part (pressing on no frame photovoltaic module 110, the position that contacts with it) and the limit portion holding surface 122 that corresponds above the limit portion holding surface 122, install adhesive tape 144 on briquetting 140, play the guard action to the front bezel glass of no frame photovoltaic module 110 after the installation. Retaining members 150 are in one-to-one correspondence with the clips 130, and each retaining member 150 is configured to retain a corresponding clip 130 and press block 140, thereby retaining the corresponding clip 130, edge of the photovoltaic module, and press block 140 together, outside of the corresponding edge support surface 122.

It should be noted that the number of the clamps for locking each frameless photovoltaic module 110 and the profiled metal sheet 120 is usually multiple sets, and the number of the clamps is at least one set when viewed from one end portion of the frameless photovoltaic module 110, namely, at least one clip member 130, at least one pressing member 140 and at least one locking member 150. For example, one end edge of each frameless photovoltaic module 110 is locked to the profiled metal sheet 120 by two sets of clamps, each set of clamp is composed of a single clamping piece 130, a single pressing piece 140 and at least one locking piece 150 which are combined together, and the two sets of clamps lock different positions of the same end edge of the frameless photovoltaic module 110.

Specifically, the clip 130 includes a clip portion 131 inserted into the corresponding clip groove 125 and a first connecting portion 132 extending out of the clip groove 125, the locking member 150 is inserted into the corresponding first connecting portion 132, the upper surface of the first connecting portion 132 is further provided with a positioning portion 133 protruding upwards, and the positioning portion 133 abuts against the corresponding pressing block 140. The pressing block 140 includes a pressing block portion 141 located above the corresponding side supporting surface 122 and a second connecting portion 142 extending to the outside, a rubber strip 144 is provided on the lower surface of the pressing block portion 141, the second connecting portion 142 is located above the corresponding first connecting portion 132, the locking member 150 is inserted into the corresponding second connecting portion 142, a positioning groove 143 is further provided on the lower surface of the second connecting portion 142, and the positioning portion 133 below the second connecting portion 142 is abutted into the positioning groove 143. The positioning groove 143 on the pressing block 140 corresponds to the positioning part 133 on the card member 130, so that the precise positioning between the two is realized.

Referring to fig. 7 and 8, in the present embodiment, the edge protrusion 121 is a hollow structure formed by bending the metal sheet 120, that is, the outer side of the edge supporting surface 122 is bent downward for a certain distance and then bent to form a fastening groove 125 with an outward opening. In this case, the clip 130 and the pressing block 140 are made of aluminum alloy, the clip 130 has a step structure, that is, the upper surface of the first connecting portion 132 protrudes from the upper surface of the locking portion 131, and the surface of the locking portion 131 is wrapped with the isolating layer 134, so as to ensure that the isolating layer 134 is provided at the position where the clip 130 contacts with the corresponding edge rib 121. The isolation layer 134 is adhered to the surface of the fastening part 131 of the card element 130, and plays roles of isolating chemical corrosion between different metals and strengthening adhesion. The locking member 150 is a bolt, and the first connecting portion 132 of the clip 130 and the second connecting portion 142 of the pressing block 140 are provided with corresponding bolt holes. The embodiment adopts the scheme that the pressing block 140 and the clamping piece 130 are in threaded connection, so that the disassembly and the maintenance are more convenient.

In this embodiment, the isolation layer 134 on the lower surface of the fastening portion 131 extends downward until abutting against the pressed metal plate 120 on the lower surface of the fastening groove 125, the isolation layer 134 is filled between the lower surface of the first connecting portion 132 and the lower surface of the fastening groove 125, and the isolation layer 134 of the fastening portion 131 and the isolation layer 134 of the first connecting portion 132 abut against the pressed metal plate 120 respectively, so as to realize the temporary supporting and stabilizing effect on the fastening element 130, otherwise, the fastening element 130 is difficult to be laid flat and inclined. In other embodiments, the isolation layer 134 on the lower surface of the locking part 131 may also directly contact the pressed metal plate 120 on the lower surface of the locking groove 125, that is, the locking part 131 wrapped with the isolation layer 134 is locked in the corresponding locking groove 125.

In the present embodiment, the first connecting portion 132 is a hollow block structure to reduce the overall weight of the card 130, and in other embodiments, the first connecting portion 132 is a plate structure, one side of which is connected to the locking portion 131, and the other end of which abuts against the lower surface of the locking groove 125, and an isolation layer 134 is disposed at the abutting position.

Wherein, an edge support 160 for supporting the edge supporting surface 122 is disposed below the profiled metal sheet 120 connected by the bent portion of the adjacent profiled metal sheet 120, and the edge support 160 is generally a boat-shaped support and is located between two adjacent edge ribs 121. The middle rib 123 is provided with a middle support 170 for supporting the middle support surface 124, and the shape of the middle support 170 matches the shape of the middle rib 123.

The installation method of the photovoltaic roofing assembly system 100 of the embodiment of the application is as follows:

(1) no frame photovoltaic module installation device earlier:

the frameless photovoltaic module installation device is arranged above a roof, the edge support 160 and the middle support 170 are located between the profiled metal plate 120 and the roof and fixed on the sandal wood strips of the roof, and a heat insulation cotton layer and a heat insulation support layer can be arranged between the profiled metal plate 120 and the sandal wood strips, so that the heat insulation effect is realized.

(2) Installing the frameless photovoltaic module 110:

the frameless photovoltaic module 110 with the isolation adhesive tape 111 is placed on the supporting surface 122 and the middle supporting surface 124 of the edge portion of the customized modeling profiled metal plate 120, the pressing block 140 and the clamping piece 130 are arranged in place, the locking piece 150 is used for fixing the edge portions of the two ends of the frameless photovoltaic module 110 to the edge convex ribs 121 of the profiled metal plate 120 through the pressing block 140 and the clamping piece 130, meanwhile, the middle portion of the frameless photovoltaic module 110 is tightly attached together through the middle portion of the isolation adhesive tape 111 and the middle supporting surface 124 of the middle convex ribs 123 of the profiled metal plate 120, so that the two sides and the middle portion of the frameless photovoltaic module 110 and the profiled metal plate 120 are tightly connected, and the integrated stress structure is formed integrally. Referring to fig. 9, when the frameless photovoltaic module 110 is under the front load, three supporting edges are arranged below the frameless photovoltaic module to evenly distribute the front load, so that the local pressure is reduced, and the front load resistance is improved; when the negative wind pressure load acts, the frameless photovoltaic module 110 and the profiled metal sheet 120 are integrated to enhance the performance of resisting the negative wind pressure.

Second embodiment

Referring to fig. 10 and 11, the present embodiment provides a photovoltaic roofing assembly system, which has a structure substantially the same as that of the first embodiment, except that: the edge rib 221 formed by the profiled metal sheet in this embodiment is not a hollow structure, but is a solid structure formed by bending and overlapping the profiled metal sheet, that is, the outer side edge of the edge supporting surface 122 is directly folded back and then bent to form the fastening groove 125 with an outward opening. In this case, the pressing block portion 241 and the second connecting portion 242 constituting the pressing block are of a stepped structure, the fastening portion 231 and the first connecting portion 232 constituting the clip are of a plate-shaped structure, the surface of the fastening portion 231 is wrapped with the isolating layer 234, the isolating layer 234 abuts against the pressed metal plate on the lower surface of the fastening groove, one end of the first connecting portion 232 is connected with the fastening portion 231, the other end abuts against the pressed metal plate on the lower surface of the fastening groove, and the abutting position is also wrapped with the isolating layer 234; the second connecting portions 242 are sunk to be close to the corresponding first connecting portions 232 with respect to the corresponding pressing portions 241, and are locked with the first connecting portions 232 by the locking members 150. Since the distance between the first connection portion 232 and the second connection portion 242 is small after the positioning portion is positioned in place, the positioning portion 233 needs to be arranged in a relatively small length.

Third embodiment

Referring to fig. 12 and 13, the present embodiment provides a photovoltaic roofing assembly system 300, which has a structure substantially the same as that of the first embodiment, except that: a cavity is formed between each frameless photovoltaic module 110 and the lower profiled metal sheet 120, and a positive terminal box 310 and a negative terminal box 320 which are electrically connected with the frameless photovoltaic module 110 are arranged in the cavity and are electrically connected through a cable 330. The corresponding positive terminal box 310 and the corresponding negative terminal box 320 may be disposed in the same cavity, or may be disposed in different cavities, which is not limited in this application.

Fourth embodiment

Referring to fig. 14, the present embodiment provides a photovoltaic roofing assembly system, which has a structure substantially the same as that of the second embodiment, and also aims at the case that the edge bead formed by the pressed metal plate is not a hollow structure, but a solid structure formed by bending and overlapping the pressed metal plate, and the difference is that: in this embodiment, the pressing block portion 441 and the second connecting portion 442 forming the pressing block are of a straight structure, the fastening portion 431 and the first connecting portion 432 forming the clamping piece are of a stepped plate-shaped structure, the first connecting portion 432 protrudes to be close to the corresponding second connecting portion 442 relative to the corresponding fastening portion 431 and is locked together with the second connecting portion 442 through the locking member 150, the surface of the fastening portion 431 is wrapped with the isolation layer 434, and the edge of the isolation layer 434 wrapped by the lower surface of the fastening portion 431 extends downwards until a supporting edge for abutting against the lower surface of the fastening groove is formed; one side of the first connecting portion 432 is connected to the fastening portion 431, and the other end of the first connecting portion abuts against the lower surface of the fastening groove, and the abutting position is also wrapped with an isolation layer 434. After the positioning portion is located in place, the distance between the first connecting portion 432 and the second connecting portion 442 is small, and accordingly, the positioning length of the positioning portion 433 needs to be small.

In other embodiments, the clip may have a plate-like structure, but not a step-like structure, and the end of the first connecting portion 432 of the clip abuts against the clip groove and is also wrapped with the isolating layer 434. Since the distance between the first connecting portion 432 and the second connecting portion 442 is not set to be reduced, the setting length of the positioning portion 433 is a conventional length.

Fifth embodiment

Referring to fig. 15, the structure of a photovoltaic roofing assembly system provided in this embodiment is substantially the same as that of the fourth embodiment, and also aims at the case that the edge bead formed by the profiled metal sheet is a solid structure formed by bending and overlapping the profiled metal sheet, and the difference is that: the profiled metal sheet in limit portion bead outside buckles respectively and forms the connection face, adjacent connection face overlap of two adjacent profiled metal sheets is buckled together to realize being connected between the profiled metal sheet, every connection face still buckles and forms the supplementary bead 510 that corresponds to limit portion bead, this structure and limit portion bead symmetry design of supplementary bead 510 are the solid construction that the profiled metal sheet buckled and forms equally, and have the supplementary buckle groove of opening direction inwards, supplementary buckle groove is the symmetry design with the buckle groove equally.

The pressing block portion 541 and the second connecting portion 542 which form the pressing block are plate-shaped structures, one end of the second connecting portion 542 is connected with the pressing block portion 541, the other end of the second connecting portion 542 abuts against the upper surface of the corresponding auxiliary protruding rib 510, and the abutting position is also provided with the rubber strip 144; the clamping part 531 and the first connecting part 532 which form the clamping piece are of plate-shaped structures, one end of the first connecting part 532 is connected with the clamping part 531, the other section of the first connecting part 532 is inserted into the auxiliary clamping groove, and the surface of the clamping part 531 and the end part of the first connecting part 532 are respectively wrapped with an isolating layer 534, so that the isolating layer 534 is ensured to be arranged at the contact position of the clamping piece with the clamping groove and the auxiliary clamping groove; the first coupling portion 532 is locked with the second coupling portion 542 by the locker 150. Through the design of supplementary bead 510, can realize the location between fastener and the briquetting, the corresponding location portion that can save.

Sixth embodiment

Referring to fig. 16, the present embodiment provides a photovoltaic roofing assembly system, which has a structure substantially the same as that of the fifth embodiment, except that: the embodiment is directed to the case that the edge protruding ridge formed by the pressed metal plate is a hollow structure formed by bending the pressed metal plate, the structure of the auxiliary protruding ridge 610 and the edge protruding ridge are symmetrically designed, and the auxiliary protruding ridge is also a hollow structure formed by bending the pressed metal plate and is provided with an auxiliary buckling groove with an inward opening direction, and the auxiliary buckling groove and the buckling groove are also symmetrically designed.

The pressing block part 641 and the second connecting part 642 forming the pressing block are plate-shaped structures, one end of the second connecting part 642 is connected with the pressing block part 641, the other end of the second connecting part 642 is abutted against the upper surface of the corresponding auxiliary convex rib 610, and the abutted position is also provided with the rubber strip 144; the fastening part 631 and the first connecting part 632 which form the fastener are plate-shaped structures, one end of the first connecting part 632 is connected with the fastening part 631, the other section is inserted into the auxiliary fastening groove, and two ends (the end parts of the fastening part 631 and the first connecting part 532 which are inserted into the auxiliary fastening groove) of the fastener are wrapped with the isolation layer 634; the first connecting portion 632 is locked with the second connecting portion 642 by the locker 150.

In summary, the frameless photovoltaic module installation device and the photovoltaic roof combined system of the embodiment of the application realize simple, convenient and stable installation of the frameless photovoltaic module, and improve the load resistance and the overall wind uncovering resistance of the module.

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 (10)

1. The utility model provides a frameless photovoltaic module installation device which characterized in that, it includes:

the upper surface of the edge convex edge is an edge supporting surface, and the profiled metal plate below each edge supporting surface is bent to form a clamping groove with an outward opening;

the clamping pieces correspond to the edge convex ridges one by one, one end of each clamping piece can be inserted into the corresponding clamping groove, and the other end of each clamping piece extends out of the corresponding edge supporting surface;

the pressing blocks correspond to the clamping pieces one by one, each pressing block is configured to be capable of being arranged above the corresponding edge supporting surface and extending to the outside, and an adhesive tape is arranged between the part of each pressing block above the corresponding edge supporting surface and the corresponding edge supporting surface;

the locking part, the locking part with the fastener one-to-one, every the locking part is configured into and is used for the locking correspondence the fastener with the briquetting, and be located the correspondence the limit portion holding surface outside.

2. The frameless photovoltaic module mounting device of claim 1, wherein the latch comprises a latching portion insertable into the corresponding latching groove and a first connecting portion simultaneously extendable out of the latching groove, the locking member being configured to be insertable into the corresponding first connecting portion.

3. The frameless photovoltaic module mounting device according to claim 2, wherein the pressing block includes a pressing block portion capable of being positioned above the corresponding edge support surface and a second connecting portion capable of extending to the outside at the same time, a lower surface of the pressing block portion is provided with the adhesive tape, the second connecting portion is configured to be positioned above the corresponding first connecting portion, and the locking member is configured to be inserted into the corresponding second connecting portion.

4. The frameless photovoltaic module mounting device according to claim 3, wherein the edge ribs are hollow structures formed by bending the profiled metal sheet, and the positions of the buckling parts contacting with the corresponding edge ribs are provided with isolating layers.

5. The frameless photovoltaic module mounting device according to claim 3, wherein the edge ribs are solid structures formed by bending and overlapping the profiled metal sheet, the second connecting portions are raised relative to the corresponding pressing block portions or the first connecting portions are raised relative to the corresponding buckling portions, and isolation layers are arranged at positions where the buckling portions are in contact with the corresponding edge ribs.

6. The frameless photovoltaic module mounting device according to claim 1, wherein the middle portion of the profiled metal sheet is bent to form at least one middle rib extending in the longitudinal direction, and the upper surface of the middle rib is a middle supporting surface;

and/or the frameless photovoltaic module mounting device comprises at least two profiled metal plates, all the profiled metal plates are arranged side by side, and the adjacent long edges are overlapped and bent together.

7. A photovoltaic roofing combined system, characterized in that, it includes a plurality of no frame photovoltaic module and no frame photovoltaic module installation device of any one of claims 1 to 6, be provided with a plurality of along the length direction on each profiled metal sheet the no frame photovoltaic module of arranging, and no frame photovoltaic module sets up on the limit portion holding surface of profiled metal sheet, the both ends limit portion of every no frame photovoltaic module is located respectively between the corresponding limit portion holding surface and the adhesive tape of briquetting and by corresponding the retaining member locking together, still be provided with the isolation sticky tape between no frame photovoltaic module and the corresponding limit portion holding surface.

8. The photovoltaic roofing assembly system of claim 7, wherein the frameless photovoltaic module mounting device comprises at least two profiled metal sheets, all of the profiled metal sheets are arranged side by side, adjacent long sides of the profiled metal sheets are folded together, and a support for supporting an edge supporting surface is arranged below the profiled metal sheets connected by the folding portions.

9. The photovoltaic roofing assembly system of claim 8 wherein the frameless photovoltaic module mounting device is disposed on a roof, and the mount is positioned between the profiled metal sheet and the roof and secured to the roof.

10. The photovoltaic roofing assembly of claim 7, wherein the middle portion of the profiled metal sheet is bent to form at least one middle rib extending in a longitudinal direction, an upper surface of the middle rib is between middle support surfaces corresponding to the middle support surfaces, the frameless photovoltaic module is disposed on the corresponding edge support surfaces and the middle support surfaces of the profiled metal sheet, and an isolation tape is disposed between the frameless photovoltaic module and the corresponding edge support surfaces and between the middle support surfaces;

and/or a cavity is formed between each frameless photovoltaic assembly and the lower profiled metal plate, and a positive terminal box and a negative terminal box which are electrically connected with the frameless photovoltaic assemblies are arranged in the cavity.

Images