CN209881696U

CN209881696U - Bearing plate and contain its roof photovoltaic system

Info

Publication number: CN209881696U
Application number: CN201920677820.2U
Authority: CN
Inventors: 杨颖�; 李红军; 闫少仕
Original assignee: Arctech Solar Holding Co Ltd
Current assignee: Arctech Solar Holding Co Ltd
Priority date: 2019-05-13
Filing date: 2019-05-13
Publication date: 2019-12-31
Anticipated expiration: 2029-05-13

Abstract

The utility model discloses a bearing plate and a roof photovoltaic system comprising the same, wherein the cross section of the bearing plate is in a convex structure and comprises a left supporting part, a middle supporting part and a right supporting part which are integrally formed; the cross section of the middle supporting part is of an inverted U-shaped structure and comprises a first side, a second side and a third side which are sequentially connected, and the second side forms a closed end of the middle supporting part; the middle supporting part forms a bulge for clamping the pressing block; the first edge and the third edge are both provided with card slots for clamping cards of the pressing block; the left supporting part and the right supporting part form a first supporting part for supporting the photovoltaic component. The utility model has the advantages that the upper surface of the photovoltaic module is damaged without perforation, the water leakage phenomenon is avoided, and the failure phenomenon of the photovoltaic module caused by rainwater entering the photovoltaic module due to perforation is also avoided; reduced the utility model discloses a cost of construction and later maintenance cost, it is firm reliable, the wind resistance performance is superior.

Description

Bearing plate and contain its roof photovoltaic system

Technical Field

The utility model relates to a roof photovoltaic technology field indicates a bearing board and contain its roof photovoltaic system especially.

Background

In modern society, people are pursuing more and more comfortable building environments, and energy consumption of building heating and air conditioning is increasing day by day. In developed countries, building energy accounts for 30% -40% of national total energy consumption, and certain restriction on economic development is formed. Therefore, Building Integrated Photovoltaics (BIPV) has been produced.

Photovoltaic modules in the existing roof photovoltaic system are generally fixed on building roofs by screws, but when the photovoltaic modules are installed on the building roofs, due to the fact that machining errors or construction do not reach standards, water leakage is prone to occurring at the positions of the screws of the fastening module pressing blocks. And impact on the photovoltaic assembly caused by beating of the screw and oxidation and rusting of the screw due to water immersion in the using process are not beneficial to stability and firmness of the photovoltaic system, so that the service life of the photovoltaic system is shortened, and the maintenance cost of the photovoltaic system is greatly increased. Therefore, those skilled in the art are eagerly waited to solve the above-mentioned problems.

Disclosure of Invention

The utility model aims at providing a bearing plate and a roof photovoltaic system comprising the same, which do not need to damage the upper surface of a photovoltaic module due to perforation like the prior art, avoid the water leakage phenomenon caused by perforation, and simultaneously avoid the failure phenomenon caused by rainwater entering the photovoltaic module due to perforation; the invention greatly reduces the construction cost and the later maintenance cost, is firm and reliable, and has excellent wind resistance of the roof photovoltaic system.

The utility model provides a technical scheme as follows:

a bearing plate is characterized in that the cross section of the bearing plate is of a convex structure and comprises a left supporting part, a middle supporting part and a right supporting part which are integrally formed; the cross section of the middle supporting part is of an inverted U-shaped structure and comprises a first side, a second side and a third side which are sequentially connected, and the second side forms a closed end of the middle supporting part; the middle supporting part forms a bulge for clamping the pressing block; the first edge and the third edge are both provided with card slots for clamping cards of the pressing block; the left supporting portion and the right supporting portion form a first supporting portion used for supporting the photovoltaic assembly.

In the technical scheme, the intermediate support part of the bearing plate is clamped by the pressing block, the pressing block is clamped with the pressing piece pressing photovoltaic assembly and the clamping part of the pressing block is clamped with the photovoltaic assembly, so that the photovoltaic assembly is fixed, the clamping of the pressing block and the bearing plate for supporting the photovoltaic assembly is realized, the fixed connection of the photovoltaic assembly and the bearing plate is realized, the pressing block is prevented from being perforated through a connecting piece (such as a screw, a screw and the like) to realize the connection of the photovoltaic assembly and the bearing plate, the water leakage phenomenon of the connecting piece is avoided, and meanwhile, the defects that the photovoltaic assembly is not fixed firmly due to the fact that the perforated part is oxidized and rusted due to the fact that the perforated part is immersed in rainwater. Preferably, the pressing piece realizes the pressing and fixing of the photovoltaic module from the upper surface of the photovoltaic module, and the clamping part realizes the fixing of the photovoltaic module from the lower part, so that the fixing of the photovoltaic module is effectively ensured, the wind resistance of a roof photovoltaic system is ensured, and the adverse effects of warping, displacement and the like of the photovoltaic module are avoided; better, the connection tightness and firmness of the pressing block and the supporting plate are further reinforced through the clamping sheet, and the wind resistance of the roof photovoltaic system is further improved; preferably, the upper surface of the photovoltaic module is not damaged due to perforation in the prior art, so that the water leakage phenomenon caused by perforation is avoided, and the failure phenomenon caused by rainwater entering the photovoltaic module due to perforation is also avoided; the building cost and the later maintenance cost of the invention are greatly reduced, and the invention is firm and reliable, and the roof photovoltaic system has excellent wind resistance; more excellent, set the cross-sectional structure of bearing board to bilateral symmetry, improved the atress condition of bearing board, improved the stability and the fastness that set up the photovoltaic module in bearing board both sides.

Further preferably, the card slot is formed by the first edge and the third edge being recessed respectively, so that the closed end of the middle support portion forms a T-shaped structure, the open end of the middle support portion forms a diameter-variable structure, and the small-diameter end of the diameter-variable structure is close to the T-shaped structure.

In the technical scheme, the card slot is formed into the bearing plate in an integrated manner, so that the structural strength and the service life of the bearing plate are ensured.

Further preferably, the T-shaped structure comprises a hollow transverse portion and a hollow vertical portion; the hollow transverse part and the hollow vertical part are vertically arranged and are communicated with each other, so that two card slots are formed at the joint of the hollow transverse part and the hollow vertical part; the end part of the hollow transverse part, which is far away from one side of the card slot, extends downwards to form a butting part, so that the card is butted in the card slot.

In this technical scheme, support the setting of establishing the portion and avoid the card to break away from in the card groove to the fastening nature and the firm nature that briquetting and bearing board are connected have been improved.

Further preferably, a first water chute is arranged on one side, away from the middle supporting part, of the left supporting part; and a second water chute is arranged on one side of the right supporting part, which is far away from the middle supporting part.

In the technical scheme, the supporting plate is provided with the water guide grooves (the first water guide groove and the second water guide groove) to collect rainwater at the splicing part between the adjacent photovoltaic modules and guide the rainwater to flow out of eave, so that indoor dryness and comfort are guaranteed. Come bearing photovoltaic module through the bearing board promptly for the bearing board has simplified structure, step, the time of buildding of this BIPV promptly in an organic whole, and then has simplified the process of buildding, guarantees construction period, has reduced the cost of buildding simultaneously, has improved this BIPV's price/performance ratio greatly.

The utility model also discloses a roof photovoltaic system, include:

the photovoltaic module comprises a pressing block, a plurality of photovoltaic modules and a bearing plate;

the pressing block comprises a pressing plate; the two side plates are arranged on two opposite sides of the pressing plate; the two side plates are abutted against the same surface of the pressing plate; the pressing plate and the two side plates are jointly encircled to form a clamping groove; the outer side wall of one side of the side plate, which is far away from the clamping groove, is provided with a pressing sheet for pressing the photovoltaic module; the outer side wall of one side of the side plate, which is far away from the clamping groove, is provided with a clamping part for clamping the photovoltaic module; the pressing sheet is arranged close to the bottom of the clamping groove, and the clamping part is arranged close to the opening of the clamping groove; the pressing block is provided with a clamping piece;

the cross section of the bearing plate is of a convex structure and comprises a left supporting part, a middle supporting part and a right supporting part which are integrally formed; the cross section of the middle supporting part is of an inverted U-shaped structure and comprises a first side, a second side and a third side which are sequentially connected, and the second side forms a closed end of the middle supporting part; the middle supporting part forms a bulge for the clamping of the pressing block; the first edge and the third edge are provided with card slots for clamping the cards; the left supporting part and the right supporting part form a first supporting part for supporting the photovoltaic module; the clamping groove is clamped on the middle supporting part; the pressing sheet is pressed on the upper surface of the photovoltaic assembly, and the clamping portion is clamped on the photovoltaic assembly.

Further preferably, the clamping portion pierces through a metal frame of the photovoltaic module to achieve contact connection between the clamping portion and the metal frame; electrically connecting the metal frame, the pressing block and the bearing plate; the bearing plate is grounded; and/or the pressing sheet is an elastic piece; and/or, the briquetting is provided with a plurality of the tabletting; and/or a through hole is formed in the position, corresponding to the pressing sheet, of the side plate; and/or a longitudinal sealing strip is arranged between the photovoltaic module and the first supporting part; and/or two adjacent photovoltaic modules are clamped with a transverse sealing strip at the contact position along a first direction, and the first direction is vertical to the down slope direction.

Among this technical scheme, thereby pierce through the briquetting and realize the metal frame of photovoltaic module, the electricity of briquetting and bearing board is connected, through setting up bearing board ground connection, thereby realize the safety requirement that photovoltaic module frame must ground connection, thereby avoided among the prior art each photovoltaic module all to ground connection, greatly reduced roof photovoltaic system's ground connection complexity, reduced earth connection and fastening material and site operation cost, simplified roof photovoltaic system's the degree of difficulty of buildding and flow greatly.

Among this technical scheme, the preforming sets to the elastic component and makes preforming and photovoltaic module's contact become the flexonics, has improved the utility model discloses the flatness of photovoltaic module installation has been ensured to machining error and installation error's tolerance. More excellent, improve briquetting pressfitting photovoltaic module's fixity and firm nature through setting up a plurality of preforming. More excellent, through the setting of through-hole greatly reduced the weight of briquetting, practiced thrift the manufacturing cost of briquetting. More excellent, through setting up vertical sealing strip and guaranteed the fastening nature and the leakproofness that photovoltaic module and bearing board are connected. More preferably, the tightness of connection between the photovoltaic modules arranged along the first direction is increased through the transverse sealing strips, the tightness of the roof photovoltaic system is improved, and the water leakage probability of the roof photovoltaic system is reduced.

Further preferably, the photovoltaic module water guide structure further comprises a water guide structure, the water guide structure comprises a longitudinal water guide plate extending along the downslope direction, and a water guide groove is formed in the splicing position of the photovoltaic module on the two sides of the longitudinal water guide plate.

Among this technical scheme, accept the rainwater that leaks in photovoltaic module concatenation department through the water guide structure, avoided the phenomenon of leaking that roof photovoltaic system appears, guarantee indoor aridity and comfort level.

Further preferably, the water guide structure further comprises a transverse water guide plate extending along a first direction, and the first direction is perpendicular to the down slope direction; the transverse water guide plate is arranged below the contact position of two adjacent photovoltaic assemblies and is communicated with the longitudinal water guide plate; and/or the bearing plate is the longitudinal water deflector, and a first water chute is arranged on one side of the left supporting part, which is far away from the middle supporting part; and a second water chute is arranged on one side of the right supporting part, which is far away from the middle supporting part.

Among this technical scheme, the realization that consequently the installation gap exists and leak between the photovoltaic module of following the first direction setting has effectively been avoided in setting up of horizontal water deflector, and the rainwater between the photovoltaic module that horizontal water deflector will set up along the first direction is collected, and then derives through vertical water deflector, ensures that roof photovoltaic system does not have the water leakage phenomenon.

In the technical scheme, the supporting plate is provided with the water guide grooves (the first water guide groove and the second water guide groove) to collect rainwater at the splicing part between the adjacent photovoltaic modules and guide the rainwater to flow out of eave, so that indoor dryness and comfort are guaranteed. Come bearing photovoltaic module through vertical water guide plate promptly for vertical water guide plate has simplified structure, step, the time of buildding of this BIPV promptly in an organic whole, and then has simplified the process of buildding, guarantees construction period, has reduced the cost of buildding simultaneously, has improved this BIPV's price/performance ratio greatly.

The utility model provides a pair of bearing board and contain its roof photovoltaic system can bring following beneficial effect:

the intermediate support portion of bearing board is established to the briquetting card, thereby the joint portion joint photovoltaic module through the preforming pressfitting photovoltaic module of briquetting and briquetting has realized photovoltaic module's fixed, including the briquetting with be used for supporting photovoltaic module's bearing board's block, thereby photovoltaic module and bearing board's fixed connection has been realized, avoided the briquetting to perforate through the connecting piece (like the screw, the screw etc.) and realized being connected of photovoltaic module and bearing board, the phenomenon of leaking of connecting piece department has been avoided, the high-dimensional cost of repairing that the perforation department causes because of soaking the rainwater fixed not firm and later stage that the photovoltaic module that the oxidation rusted causes simultaneously. Preferably, the pressing piece realizes the pressing and fixing of the photovoltaic module from the upper surface of the photovoltaic module, and the clamping part realizes the fixing of the photovoltaic module from the lower part, so that the fixing of the photovoltaic module is effectively ensured, the wind resistance of a roof photovoltaic system is ensured, and the adverse effects of warping, displacement and the like of the photovoltaic module are avoided; better, the connection tightness and firmness of the pressing block and the supporting plate are further reinforced through the clamping sheet, and the wind resistance of the roof photovoltaic system is further improved; preferably, the upper surface of the photovoltaic module is not damaged due to perforation in the prior art, so that the water leakage phenomenon caused by perforation is avoided, and the failure phenomenon caused by rainwater entering the photovoltaic module due to perforation is also avoided; the building cost and the later maintenance cost of the invention are greatly reduced, and the invention is firm and reliable, and the roof photovoltaic system has excellent wind resistance; more excellent, set the cross-sectional structure of bearing board to bilateral symmetry, improved the atress condition of bearing board, improved the stability and the fastness that set up the photovoltaic module in bearing board both sides.

Drawings

The above features, technical characteristics, advantages and implementation of the support plate and the rooftop photovoltaic system comprising the same will be further explained in the following description of preferred embodiments in a clearly understandable manner with reference to the accompanying drawings.

FIG. 1 is a schematic cross-sectional view of a first embodiment of the support plate of the present invention;

FIG. 2 is a schematic structural view of a second embodiment of the support plate of the present invention;

FIG. 3 is a schematic cross-sectional view of a first embodiment of the compact of the present invention;

FIG. 4 is a schematic structural view of a second embodiment of the briquette of the present invention;

FIG. 5 is a schematic structural view of a first embodiment of the rooftop photovoltaic system of the present invention;

FIG. 6 is a schematic structural view of a second embodiment of the rooftop photovoltaic system of the present invention;

FIG. 7 is a schematic structural view of a third embodiment of the rooftop photovoltaic system of the present invention;

FIG. 8 is a schematic structural view of a fourth embodiment of the rooftop photovoltaic system of the present invention;

fig. 9 is a schematic structural view of an embodiment of the longitudinal sealing strip of the present invention;

FIG. 10 is a schematic structural view of an embodiment of the transverse water deflector of the present invention;

FIG. 11 is a schematic cross-sectional view of FIG. 10;

FIG. 12 is a schematic structural view of one embodiment of the cross-seal bar of the present invention;

fig. 13 is a schematic cross-sectional view of fig. 12.

The reference numbers illustrate:

1. pressing block, 11, pressing plate, 12, side plate, 121, through hole, 13, clamping groove, 14, pressing sheet, 15, clamping part, 16, clamping piece, 161, limiting part, 2, photovoltaic component, 21, photovoltaic panel, 22, metal frame, 3, water guide structure, 31, supporting plate, 311, longitudinal sealing strip, 3111, sawtooth surface, 3112, contact surface, 315, left support part, 316, first water guide groove, 3161, fourth edge, 3162, fifth edge, 3163, sixth edge, 3164, second extending edge, 317, middle support part, 3171, first edge, 31711, card groove, 3172, second edge, 31721, abutting part, 3173, third edge, 3174, first extending edge, 318, right support part, 319, second water guide groove, 32, transverse water guide plate, 321, transverse sealing strip, 3211, first straight edge, 3212, second straight edge, 3213, 3214, barb, 322, first side wall, 323, 324, second side wall, 325. the first card edge, 326, the second card edge, 327, the first drainage edge, 328, the second drainage edge.

Detailed Description

In order to more clearly illustrate embodiments of the present invention or technical solutions in the prior art, specific embodiments of the present invention will be described below with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be obtained from these drawings without inventive effort.

For the sake of simplicity, the drawings only schematically show the parts relevant to the present invention, and they do not represent the actual structure of the product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".

In this context, it is to be understood that, unless otherwise explicitly stated or limited, the terms "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 invention can be understood in specific cases to those skilled in the art. In this document, upper, lower, left and right refer to upper, lower, left and right of the depicted figures, which do not fully represent actual circumstances.

In the first embodiment, as shown in fig. 1 and 2, a bearing plate, the cross-sectional shape of the bearing plate 31 is a convex structure, and includes a left support part 315, a middle support part 317 and a right support part 318 which are integrally formed; the cross section of the middle support part 317 is in an inverted U-shaped structure and comprises a first side 3171, a second side 3172 and a third side 3173 which are sequentially connected, and the second side 3172 forms a closed end of the middle support part 317; the middle supporting part 317 forms a bulge for clamping the pressing block 1, and the pressing block 1 is clamped on the bulge and can be pressed with the photovoltaic module 2; the first edge 3171 and the third edge 3173 are provided with card grooves 31711 for clamping cards of the pressing block, and the cards 16 of the pressing block 1 are abutted against the card grooves 31711 to realize clamping and fixing; the left support part 315 and the right support part 318 form a first bearing part for bearing the photovoltaic module 2. In practical application, the pressing block 1 is pressed on the middle supporting part 317 of the bearing plate 31 to realize the first connection between the pressing block 1 and the bearing plate 31; the pressing block 1 is connected with the bearing plate 31 for the second time by clamping the card 16 with the card groove 31711; the two-time connection greatly ensures the connection firmness and stability of the pressing block 1 and the bearing plate 31. Thereby greatly improving the wind resistance of the roof photovoltaic module 2; the photovoltaic module 2 is supported on the supporting plate 31, so that the pressing block 1 presses the photovoltaic panel 21 downwards, and the supporting plate 31 supports the photovoltaic module 2 from below, thereby realizing the pressing of the photovoltaic module 2; the pressing block 1, the bearing plate 31 and the photovoltaic module 2 are connected without any perforation action, so that the water leakage phenomenon caused by perforation is avoided; meanwhile, the phenomenon that the photovoltaic module 2 breaks down due to rainwater entering the photovoltaic module because of perforation is avoided; the invention greatly reduces the construction cost and the later maintenance cost, is firm and reliable, and has excellent wind resistance of the roof photovoltaic system.

In the second embodiment, as shown in fig. 1 and 2, in addition to the first embodiment, the card groove 31711 is formed by recessing the first side 3171 and the second side 3172, respectively, so that the closed end of the intermediate support 317 forms a T-shaped structure, the open end of the intermediate support 317 forms a diameter-variable structure, and the small diameter end of the diameter-variable structure is disposed close to the T-shaped structure. Preferably, the T-shaped structure comprises a hollow transverse portion and a hollow vertical portion; the hollow transverse part and the hollow vertical part are vertically arranged and communicated with each other, so that two card grooves 31711 are formed at the joint of the hollow transverse part and the hollow vertical part; an abutting portion 31721 is extended downward from the end of the hollow transverse portion on the side away from the card groove 31711 so that the card 16 abuts against the card groove 31711. Preferably, a first water chute 316 is arranged on one side of the left support part 315 away from the middle support part 317; a second water chute 319 is provided on the side of the right support part 318 remote from the intermediate support part 317. Preferably, the first water chute 316 and the second water chute 319 are lower than the first receiver in the depth direction of the chute. Preferably, the first water chute 316 and/or the second water chute 319 have a U-shaped or V-shaped sectional shape. It should be noted that the cross-sectional shapes of the first water chute 316 and the second water chute 319 may be other polygonal structures. When the cross-sectional shapes of the first water chute 316 and the second water chute 319 are U-shaped, the first water chute 316 and the second water chute 319 respectively include a fourth side 3161, a fifth side 3162 and a sixth side 3163 which are sequentially connected; fifth side 3162 forms a closed end and sixth side 3163 is disposed adjacent intermediate support 317; the fourth side 3161 extends outward in the first direction to form a second extending side 3164, and the second extending side 3164 forms a second supporting portion for supporting the transverse water guide panel 32. Since the support plate 31 is integrally formed, the first support portion is formed by a first extending side 3174 in which the first side 3171 and the third side 3173 extend in a direction away from the second side 3172, respectively, one end of the first extending side 3174 is connected to the first side 3171 or the third side 3173, and the other end of the first extending side 3174 is connected to the sixth side 3163.

In a third embodiment, as shown in fig. 1-13, a rooftop photovoltaic system, comprising: the photovoltaic module comprises a pressing block 1, a plurality of photovoltaic modules 2 and a bearing plate 31; the briquette 1 comprises a pressing plate 11; and two side plates 12 arranged on two opposite sides of the pressing plate 11; the two side plates 12 abut against the same surface of the pressing plate 11; the pressing plate 11 and the two side plates 12 are jointly surrounded to form a clamping groove 13; the outer side wall of the side plate 12, which is far away from one side of the clamping groove, is provided with a pressing sheet 14 for pressing the photovoltaic module 2; the outer side wall of the side plate 12, which is far away from one side of the clamping groove 13, is provided with a clamping part 15 for clamping the photovoltaic module 2; the pressing sheet 14 is arranged close to the bottom of the clamping groove 13, and the clamping part 15 is arranged close to the opening of the clamping groove 13; a card 16 is arranged on the inner side of the side plate 12 close to one side of the clamping groove 13; the cross section of the supporting plate 31 is in a convex structure and comprises a left supporting part 315, a middle supporting part 317 and a right supporting part 318 which are integrally formed; the cross section of the middle support part 317 is in an inverted U-shaped structure and comprises a first side 3171, a second side 3172 and a third side 3173 which are sequentially connected, and the second side 3172 forms a closed end of the middle support part 317; the middle supporting part 317 forms a bulge for clamping the pressing block 1, and the pressing block 1 is clamped on the bulge and can be pressed with the photovoltaic module 2; the first edge 3171 and the third edge 3173 are provided with card grooves 31711 for clamping cards of the pressing block, and the cards 16 of the pressing block 1 are abutted against the card grooves 31711 to realize clamping and fixing; the left support part 315 and the right support part 318 form a first bearing part for bearing the photovoltaic module 2; the clamping groove 13 is clamped on the middle supporting part 317; so that the pressing sheet 14 is pressed on the upper surface of the photovoltaic module 2 and the clamping portion 15 is clamped on the photovoltaic module 2.

In the fourth embodiment, as shown in fig. 1-13, on the basis of the third embodiment, the card 16 is arranged at an angle with the side plate 12; the card groove 31711 is formed by recessing the first side 3171 and the second side 3172, respectively, so that the closed end of the middle support 317 forms a T-shaped structure, the open end of the middle support 317 forms a diameter-variable structure, and the small diameter end of the diameter-variable structure is arranged close to the T-shaped structure. Preferably, the T-shaped structure comprises a hollow transverse portion and a hollow vertical portion; the hollow transverse part and the hollow vertical part are vertically arranged and communicated with each other, so that two card grooves 31711 are formed at the joint of the hollow transverse part and the hollow vertical part; an abutting portion 31721 is extended downward from the end of the hollow transverse portion on the side away from the card groove 31711 so that the card 16 abuts against the card groove 31711. The end of the card 16 far away from the side plate 12 is provided with a limiting part 161, so that the end of the card 16 far away from the side plate 12 is crotch-shaped, and the firmness of clamping the card 16 on the supporting plate 31 is increased. Preferably, the card 16 is formed by bending a portion of the side plate 12 inwardly of the card slot 13, and an end of the card 16 on a side away from the side plate 12 is disposed near a bottom of the card slot 13. Preferably, the card 16 is made of a material having an elastic memory, so as to increase the stability and firmness of the connection of the card 16 with the support plate 31. Preferably, the side plate 12 is provided with a through hole 121 at a position corresponding to a position directly below the pressing piece 14. Preferably, the one or more engaging portions 15 are provided directly below the pressing piece 14. In practical applications, the number and positions of the card 16, the pressing sheet 14, the clamping portion 15 and the through hole 121 can be set according to practical requirements. Preferably, the surface of the card 16 on the side away from the card slot 13 is provided with a reinforcing rib.

In the fifth embodiment, as shown in fig. 1 to 13, on the basis of the third or fourth embodiment, the clip portion 15 pierces through the metal frame 22 of the photovoltaic module 2 to achieve contact connection between the clip portion 15 and the metal frame 22; so that the metal frame 22, the compact 1 and the support plate 31 are electrically connected; the support plate 31 is grounded. In practical applications, since the metal frame 22 of the photovoltaic module 2 needs to be grounded, the safety of the rooftop photovoltaic system is improved, but each photovoltaic module 2 needs to be grounded, so that the grounding of the roof photovoltaic system is very complicated and complicated, and is not beneficial to the construction process, the invention creatively utilizes the pressing block 1 to pierce the metal frame 22 to realize the contact connection between the pressing block 1 and the metal frame 22, since the compact 1 is engaged with the support plate 31 for supporting the photovoltaic module 2, the metal frame 22 and the support plate 31 are electrically connected to each other with the compact 1 as a conductor, thereby realizing the electric connection of the metal frame 22, the pressing block 1 and the bearing plate 31, realizing the grounding safety arrangement of the photovoltaic module 2 by grounding the bearing plate 31, because the number of the supporting plates 31 is far smaller than that of the photovoltaic modules 2, the installation and implementation complexity and difficulty of the grounding of the photovoltaic modules 2 are greatly simplified. It should be noted that the compact 1 only needs to realize the electrical connection between the metal frame 22 and the supporting plate 31 (i.e., the ground connection), and the compact 1 may be a metal component as a whole or a part thereof. Preferably, the clamping portion 15 is formed by folding a part of the side plate 12 in a direction away from the side of the clamping slot 13, so that the clamping portion 15 and the side plate 12 are disposed at an angle. Preferably, the end of the clamping portion 15 away from the side plate 12 is pointed or provided with a piercing angle (the piercing angle is arranged towards the direction away from the clamping groove 13). In practical application, the clamping portion 15 may be disposed on only the first side plate or the second side plate, or disposed on both the first side plate and the second side plate, specifically disposed according to practical application.

Preferably, the pressing plate 14 is an elastic member, and the pressing plate 14 may be a plastic pressing plate or a metal pressing plate. Preferably, the pressing block 1 has a certain elastic restoring force, thereby facilitating the pressing of the photovoltaic module 2. Preferably, the pressing sheet 14 preferably extends to the photovoltaic panel 21 of the photovoltaic module 2, and the stability and firmness of fixing the photovoltaic module 2 to the roof are ensured by enlarging the contact area between the pressing sheet 14 and the photovoltaic module 2. Preferably, the pressing piece 14 may be disposed perpendicular to or at an angle to the extending direction of the card slot 13. And the pressing sheets 14 are preferably arranged on two sides of the pressing plate 11, i.e. the pressing sheets 14 are arranged on the outer side walls of the first side plate and the second side plate. It should be noted that, when the end surfaces of the first side plate and the second side plate close to the bottom of the slot 13 are flush with the upper surface of the pressing plate 11, the pressing plate 14 is disposed on the side plate 12, and when the end surfaces of the first side plate and the second side plate close to the bottom of the slot 13 are flush with (butt-jointed to) the lower surface of the pressing plate 11, the pressing plate 14 may be disposed on either the side plate 12 or the pressing plate 11, but both are within the protection scope of the present invention. Preferably, the surface of the pressing sheet 14 on the side far away from the clamping groove 13 is provided with a reinforcing rib. Preferably, the surface of preforming 14 near photovoltaic module 2 one side is equipped with the recess, avoids appearing the bubble phenomenon between preforming 14 and photovoltaic module 2, has guaranteed the laminating degree between preforming 14 and photovoltaic module 2, improves preforming 14 and photovoltaic module 2's firm in connection nature.

In the sixth embodiment, as shown in fig. 1 to 13, on the basis of the third, fourth or fifth embodiment, the photovoltaic module further includes a water guiding structure 3, where the water guiding structure 3 includes a longitudinal water guiding plate laid under the supporting plate 31, so that the splicing positions of the photovoltaic modules 2 disposed on both sides of the supporting plate 31 are located above the water guiding troughs of the water guiding structure 3. Preferably, the water guiding structure 3 further comprises a transverse water guiding plate 32 extending along a first direction, the first direction being perpendicular to the down slope direction; the transverse water guide plate 32 is arranged below the contact position of two adjacent photovoltaic modules 2, and the transverse water guide plate 32 is communicated with the longitudinal water guide plate. Preferably, a transverse sealing strip 321 is clamped at the contact position of two adjacent photovoltaic modules 2 along the first direction; preferably, as shown in fig. 12 and 13, the transverse sealing strip 321 is a T-shaped structure, and includes a first straight side 3211 and a second straight side 3212 that are perpendicular to each other, and in practical applications, the first straight side 3211 protrudes from the upper surface of the photovoltaic module 2, and the second straight side 3212 is sandwiched between two adjacent photovoltaic modules 2; further preferably, the second straight side 3212 is a hollow structure, that is, the second straight side 3212 is provided with a channel 3214 along the down slope direction, and two outer sidewalls of the second straight side 3212 arranged along the first direction are provided with barbs 3213. The existence of the barbs 3213 can reduce the gap at the contact position of the photovoltaic module 2, and make rainwater flow on the upper surface of the photovoltaic module 2 as much as possible, thereby reducing the water seepage and leakage probability of the BIPV, further reducing the size of the profile of the transverse water guide plate 32, and reducing the cost; and the arrangement of the channels 3214 improves the sealing fit of the adjacent photovoltaic modules 2, thereby reducing the gap at the contact position of the two.

In the seventh embodiment, as shown in fig. 1 to 13, on the basis of the third, fourth, fifth or sixth embodiment, a longitudinal sealing strip 311 is arranged between the photovoltaic module 2 and the first supporting part; preferably, the surface of the side, close to the photovoltaic module 2, of the longitudinal sealing strip 311 is a serrated surface 3111, and the surface of the side, close to the first bearing portion, is a flat contact surface 3112, and preferably, the contact surface 3112 is provided with an adhesive backing, so that when the longitudinal sealing strip 311 is actually installed, the longitudinal sealing strip 311 can be directly bonded to the first bearing portion through the adhesive backing, the undesirable phenomenon that the longitudinal sealing strip 311 falls off in the installation process of the photovoltaic module 2 is avoided, and the building efficiency of the roof is improved. In order to reduce the space occupied by the support plate 31 and the water guiding structure 3 in the height direction of the roof, the support plate 31 is preferably a longitudinal water guiding plate. A first water chute 316 is arranged on one side of the left support part 315 away from the middle support part 317; a second water chute 319 is provided on the side of the right support part 318 remote from the intermediate support part 317. Preferably, the first water chute 316 and the second water chute 319 are lower than the first receiver in the depth direction of the chute. Preferably, the first water chute 316 and/or the second water chute 319 have a U-shaped or V-shaped sectional shape. It should be noted that the cross-sectional shapes of the first water chute 316 and the second water chute 319 may be other polygonal structures. When the cross-sectional shapes of the first water chute 316 and the second water chute 319 are U-shaped, the first water chute 316 and the second water chute 319 respectively include a fourth side 3161, a fifth side 3162 and a sixth side 3163 which are sequentially connected; fifth side 3162 forms a closed end and sixth side 3163 is disposed adjacent intermediate support 317; the fourth side 3161 extends outward in the first direction to form a second extending side 3164, and the second extending side 3164 forms a second supporting portion for supporting the transverse water guide panel 32. Since the support plate 31 is integrally formed, the first support portion is formed by a first extending side 3174 in which the first side 3171 and the third side 3173 extend in a direction away from the second side 3172, respectively, one end of the first extending side 3174 is connected to the first side 3171 or the third side 3173, and the other end of the first extending side 3174 is connected to the sixth side 3163.

In practical application, because the plurality of supporting plates 31 are sequentially arranged on the roof purline at intervals along the first direction, the photovoltaic module 2 is supported by the first supporting parts of the two supporting plates 31 adjacently arranged along the first direction, that is, the side wall on the left side of the photovoltaic module 2 is supported by the first supporting part on the right side of the left supporting plate 31; the side wall on the right side of the photovoltaic module 2 is supported on the first supporting part on the left side of the right supporting plate 31; the transverse water guide plate 32 is provided with second bearing parts of two bearing plates 31 which are adjacently arranged along the first direction, namely, the end part of the left side of the transverse water guide plate 32 is supported on the second bearing part of the right side of the left bearing plate 31; a second supporting portion for supporting the right end of the horizontal water guide plate 32 on the left side of the left supporting plate 31; so that the rainwater in the transverse water guide plate 32 can flow to the bearing plate 31, thereby realizing the drainage of the rainwater at the contact part between the adjacent photovoltaic modules 2.

In the eighth embodiment, as shown in fig. 1 to 13, on the basis of the sixth or seventh embodiments, the cross-sectional shape of the transverse water guide panel 32 is a U-shaped structure, and includes a first side wall 323, a bottom surface 322 and a second side wall 324, where the bottom surface 322 forms a closed end of the transverse water guide panel 32; the open end of the transverse water guide plate 32 is arranged towards the photovoltaic module 2; the two ends of the bottom surface 322 along the first direction are respectively extended with a first clamping edge 325 and a second clamping edge 326, so that the transverse water guide plate 32 is clamped on the two adjacent bearing plates 31, and the transverse water guide plate 32 is communicated with the bearing plates 31. In the actual installation process, the first clamping edge 325 on the right side of the transverse water guide plate 32 is clamped on the inner wall of the second bearing part of the bearing plate 31 on the right side; the second catching edge 326 positioned on the left side of the horizontal water guide plate 32 catches on the inner wall of the second bearing part of the bearing plate 31 positioned on the left side; preferably, the end of the first side wall 323 away from the bottom surface 322 extends outwardly with a first drainage edge 327; the end of the second sidewall 324 away from the bottom 322 extends outwardly to form a second drainage edge 328; preferably, the center line of the bottom surface 322 corresponds to the contact of two adjacent photovoltaic modules 2, that is, the transverse water deflector 32 is located directly below the contact of two adjacent photovoltaic modules 2. Preferably, the height of the first bearing portion is greater than that of the second bearing portion, so that a gap is left between the bottom surface 322 of the transverse water deflector 32 and the lower surface of the photovoltaic module 2, which is convenient for rainwater drainage and installation of the photovoltaic module 2, and the transverse deflector does not participate in supporting the photovoltaic module 2.

It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A bearing plate is characterized in that:

the cross section of the bearing plate is of a convex structure and comprises a left supporting part, a middle supporting part and a right supporting part which are integrally formed; the cross section of the middle supporting part is of an inverted U-shaped structure and comprises a first side, a second side and a third side which are sequentially connected, and the second side forms a closed end of the middle supporting part; the middle supporting part forms a bulge for clamping the pressing block; the first edge and the third edge are both provided with card slots for clamping cards of the pressing block; the left supporting portion and the right supporting portion form a first supporting portion used for supporting the photovoltaic assembly.

2. The support plate of claim 1, wherein:

the card groove by first limit with the third limit is the indent formation respectively, makes the blind end of intermediate strut portion forms T type structure, the open end of intermediate strut portion forms reducing structure, reducing structure's path end is close to T type structure sets up.

3. The support plate of claim 2, wherein:

the T-shaped structure comprises a hollow transverse part and a hollow vertical part;

the hollow transverse part and the hollow vertical part are vertically arranged and are communicated with each other, so that two card slots are formed at the joint of the hollow transverse part and the hollow vertical part;

the end part of the hollow transverse part, which is far away from one side of the card slot, extends downwards to form a butting part, so that the card is butted in the card slot.

4. The support plate of any one of claims 1-3, wherein:

a first water chute is arranged on one side of the left supporting part, which is far away from the middle supporting part;

and a second water chute is arranged on one side of the right supporting part, which is far away from the middle supporting part.

5. A rooftop photovoltaic system, comprising:

the pressing block comprises a pressing plate; the two side plates are arranged on two opposite sides of the pressing plate; the two side plates are abutted against the same surface of the pressing plate; the pressing plate and the two side plates are jointly encircled to form a clamping groove; the outer side wall of one side of the side plate, which is far away from the clamping groove, is provided with a pressing sheet for pressing the photovoltaic module; the outer side wall of one side of the side plate, which is far away from the clamping groove, is provided with a clamping part for clamping the photovoltaic module; the pressing sheet is arranged close to the bottom of the clamping groove, and the clamping part is arranged close to the opening of the clamping groove; a clamping piece is arranged on the inner side of one side of the side plate close to the clamping groove;

6. The rooftop photovoltaic system of claim 5, wherein:

7. The rooftop photovoltaic system of claim 6, wherein:

8. The rooftop photovoltaic system of claim 5, wherein:

the clamping portion pierces through a metal frame of the photovoltaic assembly to achieve contact connection between the clamping portion and the metal frame; electrically connecting the metal frame, the pressing block and the bearing plate; the bearing plate is grounded; and/or the presence of a gas in the gas,

the pressing sheet is an elastic piece; and/or the presence of a gas in the gas,

the pressing block is provided with a plurality of pressing sheets; and/or the presence of a gas in the gas,

the position of the side plate corresponding to the pressing sheet is provided with a through hole; and/or the presence of a gas in the gas,

a longitudinal sealing strip is arranged between the photovoltaic module and the first bearing part; and/or the presence of a gas in the gas,

two of adjacent setting photovoltaic module presss from both sides along the contact department of first direction and is equipped with the transverse sealing strip, and first direction is perpendicular with the cisoid.

9. The rooftop photovoltaic system of any of claims 5-8, further comprising:

the photovoltaic module comprises a photovoltaic module and a water guide structure, wherein the photovoltaic module is arranged on the photovoltaic module, the water guide structure comprises a longitudinal water guide plate extending along the downslope direction, and a water guide groove is formed in the splicing position of the photovoltaic module, which is arranged on the two sides of the longitudinal water guide plate.

10. The rooftop photovoltaic system of claim 9, wherein:

the water guide structure also comprises a transverse water guide plate extending along a first direction, and the first direction is vertical to the down slope direction; the transverse water guide plate is arranged below the contact position of two adjacent photovoltaic assemblies and is communicated with the longitudinal water guide plate; and/or the presence of a gas in the gas,

the bearing plate is the longitudinal water guide plate, and a first water guide groove is formed in one side, away from the middle supporting part, of the left supporting part; and a second water chute is arranged on one side of the right supporting part, which is far away from the middle supporting part.