CN209881696U - Bearing plate and contain its roof photovoltaic system - Google Patents

Abstract

The utility model discloses a supporting plate and a roof photovoltaic system containing the same. The cross-sectional shape of the supporting plate is a convex structure, including an integrally formed left support part, a middle support part and a right support part; the cross-section of the middle support part The shape is an inverted U-shaped structure, including the first side, the second side and the third side connected in sequence, and the second side forms the closed end of the middle support part; the middle support part forms a protrusion for the clamping block; the first Both the side and the third side are provided with card slots for clamping the card of the pressure block; the left support part and the right support part form the first support part for supporting the photovoltaic module. The utility model does not need to perforate to destroy the upper surface of the photovoltaic module, avoiding the phenomenon of water leakage, and also avoiding the failure of the photovoltaic module itself due to perforation due to rainwater; it reduces the construction cost and later maintenance cost of the utility model, and is firm Reliable and superior wind resistance.

Description

A supporting plate and a roof photovoltaic system comprising it

technical field

The utility model relates to the technical field of roof photovoltaics, in particular to a supporting plate and a roof photovoltaic system comprising it.

Background technique

In modern society, people's pursuit of a comfortable building environment is getting higher and higher, which leads to the increasing energy consumption of building heating and air conditioning. In developed countries, building energy consumption has accounted for 30% to 40% of the country's total energy consumption, which has formed a certain restrictive effect on economic development. Therefore, Building Integrated Photovoltaic (BIPV, Building Integrated PV (Photovoltaic)) came into being.

The photovoltaic modules in the existing rooftop photovoltaic system are generally fixed on the roof of the building by screws, but when installing the photovoltaic module on the roof of the building, due to processing errors or substandard construction, water leakage is prone to occur at the screw that fastens the module pressing block Phenomenon. Moreover, the impact of the knocking of the screws on the photovoltaic modules and the oxidation and rust of the screws due to water immersion during use are not conducive to the stability and firmness of the photovoltaic system, thereby reducing the service life of the photovoltaic system and greatly increasing the cost of the photovoltaic system. maintenance costs. Therefore, those skilled in the art urgently need to solve the above problems.

Contents of the invention

The purpose of this utility model is to provide a supporting plate and a roof photovoltaic system containing it, which does not need to damage the upper surface of the photovoltaic module due to perforation as in the prior art, avoids the phenomenon of water leakage due to perforation, and also avoids The phenomenon that the photovoltaic module itself fails due to rainwater entering due to perforation; the construction cost and later maintenance cost of the present invention are greatly reduced, and it is firm and reliable, and the roof photovoltaic system has excellent wind resistance.

The technical scheme provided by the utility model is as follows:

A supporting plate, the cross-sectional shape of the supporting plate is a convex structure, including an integrally formed left supporting part, a middle supporting part and a right supporting part; the cross-sectional shape of the middle supporting part is an inverted U-shaped structure, including The first side, the second side and the third side connected in sequence, and the second side forms the closed end of the middle support part; the middle support part forms a protrusion for clamping of the pressure block; the first Both the side and the third side are provided with card slots for clamping the cards of the pressure block; the left support part and the right support part form a first support part for supporting the photovoltaic module.

In this technical solution, the pressing block is clamped with the middle supporting part of the supporting plate, and the photovoltaic module is pressed by the pressing piece of the pressing block and the photovoltaic module is clamped by the clamping part of the pressing block to realize the fixing of the photovoltaic module. The block is engaged with the supporting plate used to support the photovoltaic module, thereby realizing the fixed connection between the photovoltaic module and the supporting plate, and avoiding the perforation of the pressing block through the connecting parts (such as screws, screws, etc.) to realize the connection between the photovoltaic module and the supporting plate The connection avoids water leakage at the connector, and at the same time avoids the high maintenance cost caused by the photovoltaic module being not firmly fixed and the later period caused by the oxidation and rust of the perforated part due to immersion in rainwater. Even better, the pressing sheet realizes the pressing and fixing of the photovoltaic module from the upper surface of the photovoltaic module, while the clamping part realizes the fixing of the photovoltaic module from the bottom, effectively ensuring the fixing of the photovoltaic module and ensuring the wind resistance performance of the roof photovoltaic system , to avoid adverse effects such as warping and displacement of photovoltaic modules; more optimally, the fastness and reliability of the connection between the pressing block and the supporting plate are further strengthened by cards, and the wind resistance performance of the roof photovoltaic system is further improved; more optimal , the present invention does not need to destroy the upper surface of the photovoltaic module due to perforation as in the prior art, avoids the phenomenon of water leakage due to perforation, and also avoids the phenomenon that the photovoltaic module itself fails due to rainwater due to perforation; greatly reduces The construction cost and later maintenance cost of the present invention are reduced, and it is firm and reliable, and the wind resistance performance of the roof photovoltaic system is superior; more optimally, by setting the cross-sectional structure of the supporting plate to be left-right symmetrical, the stress situation of the supporting plate is improved, and the The stability and firmness of the photovoltaic modules arranged on both sides of the support plate are guaranteed.

Further preferably, the card slot is formed by indenting the first side and the third side respectively, so that the closed end of the middle support part forms a T-shaped structure, and the open end of the middle support part forms a diameter-reducing structure, the small-diameter end of the variable-diameter structure is arranged close to the T-shaped structure.

In the technical solution, the card slot is formed as an integral part of the support plate, thereby ensuring the structural strength and service life of the support plate.

Further preferably, the T-shaped structure includes a hollow horizontal portion and a hollow vertical portion; the hollow horizontal portion and the hollow vertical portion are vertically arranged and internally communicated, so that the hollow horizontal portion and the hollow vertical portion Two card slots are formed at the junction of the two card slots; the end of the hollow transverse portion away from the card slot extends downwards with abutting portion, so that the card is abutted against the card slot.

In the technical solution, the arrangement of the abutting portion prevents the card from being separated from the card slot, thereby improving the fastness and reliability of the connection between the pressing block and the supporting plate.

Further preferably, a first water guide groove is provided on a side of the left support part away from the middle support part; a second water guide groove is provided on a side of the right support part away from the middle support part.

In this technical solution, water guide grooves (the first water guide groove and the second water guide groove) are set on the support plate to collect rainwater at the joints between adjacent photovoltaic modules and guide the eaves to flow out, thereby ensuring indoor dryness. sex and comfort. That is, the supporting plate is used to bear the load of the photovoltaic module, so that the supporting plate can collect water, drain water, guide water, and bear the weight in one, which greatly simplifies the construction structure, steps, and time of this BIPV, thereby simplifying the construction process and ensuring the construction period. The construction cost is reduced, and the cost performance of this BIPV is greatly improved.

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

Press blocks, several photovoltaic modules and support plates;

The pressing block includes a pressing plate; and two side plates arranged on opposite sides of the pressing plate; the two side plates abut against the same surface of the pressing plate; the pressing plate and the two side plates jointly enclose A card slot is formed; the outer wall of the side plate away from the card slot is provided with a pressing sheet for pressing the photovoltaic module; the outer wall of the side plate away from the card slot is provided with a clip for The clamping part of the photovoltaic module; the pressing piece is set close to the bottom of the card slot, and the clamping part is set close to the opening of the card slot; the pressing block is provided with a card;

The cross-sectional shape of the support plate is a convex structure, including an integrally formed left support part, a middle support part and a right support part; the cross-sectional shape of the middle support part is an inverted U-shaped structure, including first sides connected in sequence , the second side and the third side, and the second side forms the closed end of the middle support part; the middle support part forms a protrusion for the clamping of the pressing block; the first side and the The third side is provided with a card slot for clamping the card; the left support part and the right support part form a first supporting part for supporting the photovoltaic module; the card slot is clamped on The middle supporting part is used to press the pressing piece on the upper surface of the photovoltaic module, and the locking part is connected to the photovoltaic module.

In this technical solution, the pressing block is clamped with the middle supporting part of the supporting plate, and the photovoltaic module is pressed by the pressing piece of the pressing block and the photovoltaic module is clamped by the clamping part of the pressing block to realize the fixing of the photovoltaic module. The block is engaged with the supporting plate used to support the photovoltaic module, thereby realizing the fixed connection between the photovoltaic module and the supporting plate, and avoiding the perforation of the pressing block through the connecting parts (such as screws, screws, etc.) to realize the connection between the photovoltaic module and the supporting plate The connection avoids water leakage at the connector, and at the same time avoids the high maintenance cost caused by the photovoltaic module being not firmly fixed and the later period caused by the oxidation and rust of the perforated part due to immersion in rainwater. Even better, the pressing sheet realizes the pressing and fixing of the photovoltaic module from the upper surface of the photovoltaic module, while the clamping part realizes the fixing of the photovoltaic module from the bottom, effectively ensuring the fixing of the photovoltaic module and ensuring the wind resistance performance of the roof photovoltaic system , to avoid adverse effects such as warping and displacement of photovoltaic modules; more optimally, the fastness and reliability of the connection between the pressing block and the supporting plate are further strengthened by cards, and the wind resistance performance of the roof photovoltaic system is further improved; more optimal , the present invention does not need to destroy the upper surface of the photovoltaic module due to perforation as in the prior art, avoids the phenomenon of water leakage due to perforation, and also avoids the phenomenon that the photovoltaic module itself fails due to rainwater due to perforation; greatly reduces The construction cost and later maintenance cost of the present invention are reduced, and it is firm and reliable, and the wind resistance performance of the roof photovoltaic system is superior; more optimally, by setting the cross-sectional structure of the supporting plate to be left-right symmetrical, the stress situation of the supporting plate is improved, and the The stability and firmness of the photovoltaic modules arranged on both sides of the support plate are guaranteed.

Further preferably, the card slot is formed by indenting the first side and the third side respectively, so that the closed end of the middle support part forms a T-shaped structure, and the open end of the middle support part forms a diameter-reducing structure, the small-diameter end of the variable-diameter structure is arranged close to the T-shaped structure.

In the technical solution, the card slot is formed as an integral part of the support plate, thereby ensuring the structural strength and service life of the support plate.

Further preferably, the T-shaped structure includes a hollow horizontal portion and a hollow vertical portion; the hollow horizontal portion and the hollow vertical portion are vertically arranged and internally communicated, so that the hollow horizontal portion and the hollow vertical portion Two card slots are formed at the junction of the two card slots; the end of the hollow transverse portion away from the card slot extends downwards with abutting portion, so that the card is abutted against the card slot.

In the technical solution, the arrangement of the abutting portion prevents the card from being separated from the card slot, thereby improving the fastness and reliability of the connection between the pressing block and the supporting plate.

Further preferably, the clamping part pierces the metal frame of the photovoltaic module to realize the contact connection between the clamping part and the metal frame; so that the metal frame, the pressing block and the supporting plate electrical connection; the support plate is grounded; and/or, the pressing piece is an elastic member; and/or, the pressing block is provided with a plurality of pressing pieces; and/or, the side plate corresponds to the The position of the pressure piece is provided with a through hole; and/or, a longitudinal sealing strip is provided between the photovoltaic module and the first supporting part; and/or, two adjacent photovoltaic modules are arranged along the second A horizontal sealing strip is interposed at the contact point in one direction, and the first direction is perpendicular to the along-slope direction.

In this technical solution, the metal frame of the photovoltaic module is pierced by the pressing block to realize the electrical connection between the metal frame, the pressing block and the supporting plate, and the grounding of the supporting plate is set to realize the safety requirement that the frame of the photovoltaic module must be grounded, thereby It avoids the grounding of every photovoltaic module in the prior art, greatly reduces the grounding complexity of the rooftop photovoltaic system, reduces the cost of grounding wires, fastening materials and on-site construction, and greatly simplifies the difficulty and process of building the rooftop photovoltaic system.

In the technical solution, the pressing sheet is set as an elastic member so that the contact between the pressing sheet and the photovoltaic module becomes flexible contact, which improves the tolerance of the utility model's processing error and installation error, and ensures the flatness of the installation of the photovoltaic module. More preferably, the fastness and reliability of the pressing blocks to press the photovoltaic module are improved by arranging a plurality of pressing sheets. More preferably, the weight of the briquetting block is greatly reduced through the arrangement of the through holes, and the manufacturing cost of the briquetting block is saved. More preferably, the tightness and sealing of the connection between the photovoltaic module and the support plate are guaranteed by setting the longitudinal sealing strip. More preferably, the transverse sealing strip increases the connection tightness between the photovoltaic modules arranged along the first direction, improves the sealing performance of the photovoltaic system on the roof, and reduces the probability of water leakage of the photovoltaic system on the roof.

Further preferably, it also includes a water-guiding structure, the water-guiding structure includes a longitudinal water-guiding plate extending along the slope, and the longitudinal water-guiding plate is provided with a Sink.

In this technical solution, the rainwater leaked from the splicing place of the photovoltaic modules is received by the water guide structure, which avoids the water leakage phenomenon of the photovoltaic system on the roof and ensures indoor dryness and comfort.

Further preferably, the water guiding structure further includes a horizontal water guiding plate extending along a first direction, and the first direction is perpendicular to the slope direction; Below the contact point, and the horizontal water guide plate communicates with the longitudinal water guide plate; and/or, the supporting plate is the longitudinal water guide plate, and the left support part is away from the middle support part by one A first water guide groove is provided on the side; a second water guide groove is provided on the side of the right support part away from the middle support part.

In this technical solution, the arrangement of the horizontal water guide plate effectively avoids the realization of water leakage due to the existence of installation gaps between the photovoltaic modules arranged along the first direction, and the horizontal water guide plate will prevent the rainwater between the photovoltaic modules arranged along the first direction It is collected and then exported through the vertical water guide plate to ensure that there is no water leakage in the roof photovoltaic system.

In this technical solution, water guide grooves (the first water guide groove and the second water guide groove) are set on the support plate to collect rainwater at the joints between adjacent photovoltaic modules and guide the eaves to flow out, thereby ensuring indoor dryness. sex and comfort. That is, the photovoltaic modules are loaded by the vertical water guide plate, so that the vertical water guide plate integrates water collection, drainage, water guide, and load bearing, which greatly simplifies the construction structure, steps, and time of this BIPV, thereby simplifying the construction process and ensuring the construction period. , while reducing the construction cost and greatly improving the cost performance of this BIPV.

The utility model provides a supporting plate and a roof photovoltaic system including it, which can bring the following beneficial effects:

The pressing block clamps the middle support part of the supporting plate, and the photovoltaic module is pressed by the pressing piece of the pressing block and the photovoltaic module is clamped by the clamping part of the pressing block to realize the fixing of the photovoltaic module, and the pressing block is used for supporting The snapping of the supporting plate of the photovoltaic module realizes the fixed connection between the photovoltaic module and the supporting plate, avoids the connection of the photovoltaic module and the supporting plate through the perforation of the pressing block through the connector (such as screws, screws, etc.), and avoids the Water leakage at the connectors, and at the same time avoiding the infirm fixation of the photovoltaic modules and the high maintenance costs caused by the oxidation and rust of the perforated parts due to immersion in rainwater. Even better, the pressing sheet realizes the pressing and fixing of the photovoltaic module from the upper surface of the photovoltaic module, while the clamping part realizes the fixing of the photovoltaic module from the bottom, effectively ensuring the fixing of the photovoltaic module and ensuring the wind resistance performance of the roof photovoltaic system , to avoid adverse effects such as warping and displacement of photovoltaic modules; more optimally, the fastness and reliability of the connection between the pressing block and the supporting plate are further strengthened by cards, and the wind resistance performance of the roof photovoltaic system is further improved; more optimal , the present invention does not need to destroy the upper surface of the photovoltaic module due to perforation as in the prior art, avoids the phenomenon of water leakage due to perforation, and also avoids the phenomenon that the photovoltaic module itself fails due to rainwater due to perforation; greatly reduces The construction cost and later maintenance cost of the present invention are reduced, and it is firm and reliable, and the wind resistance performance of the roof photovoltaic system is superior; more optimally, by setting the cross-sectional structure of the supporting plate to be left-right symmetrical, the stress situation of the supporting plate is improved, and the The stability and firmness of the photovoltaic modules arranged on both sides of the support plate are guaranteed.

Description of drawings

In the following, preferred embodiments will be described in a clear and understandable manner with reference to the accompanying drawings, and the above-mentioned characteristics, technical features, advantages and implementation methods of the supporting plate and the roof photovoltaic system including it will be further described.

Fig. 1 is the structural schematic diagram of the cross-sectional view of the first embodiment of the supporting plate of the present invention;

Fig. 2 is a schematic structural view of the second embodiment of the supporting plate of the present invention;

Fig. 3 is the structural representation of the cross-sectional view of the first embodiment of the briquetting block of the present invention;

Fig. 4 is the structural representation of the second embodiment of the compact of the present invention;

Fig. 5 is a structural schematic diagram of the first embodiment of the roof photovoltaic system of the present invention;

Fig. 6 is a schematic structural diagram of the second embodiment of the roof photovoltaic system of the present invention;

Fig. 7 is a structural schematic diagram of a third embodiment of the roof photovoltaic system of the present invention;

Fig. 8 is a schematic structural diagram of a fourth embodiment of the roof photovoltaic system of the present invention;

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

Fig. 10 is a schematic structural view of an embodiment of the horizontal water guiding plate of the present invention;

Fig. 11 is a schematic diagram of the cross-sectional view of Fig. 10;

Fig. 12 is a schematic structural view of an embodiment of the transverse sealing strip of the present invention;

FIG. 13 is a schematic structural diagram of the cross-sectional view of FIG. 12 .

Explanation of reference numbers:

1. Clamping block, 11. Pressing plate, 12. Side plate, 121. Through hole, 13. Card slot, 14. Pressing piece, 15. Clamping part, 16. Card, 161. Limiting part, 2. Photovoltaic module, 21. Photovoltaic panel, 22. Metal frame, 3. Water guide structure, 31. Supporting plate, 311. Longitudinal sealing strip, 3111. Serrated surface, 3112. Contact surface, 315. Left support part, 316. First water guide groove , 3161. Fourth side, 3162. Fifth side, 3163. Sixth side, 3164. Second extended side, 317. Middle support part, 3171. First side, 31711. Card slot, 3172. Second side, 31721 .Abutment part, 3173. Third side, 3174. First extended side, 318. Right support part, 319. Second water guide groove, 32. Horizontal water guide plate, 321. Horizontal sealing strip, 3211. First straight side , 3212. Second straight edge, 3213. Barb, 3214. Channel, 322. Bottom surface, 323. First side wall, 324. Second side wall, 325. First card edge, 326. Second card edge, 327 . The first drainage side, 328. The second drainage side.

Detailed ways

In order to more clearly illustrate the embodiment of the utility model or the technical solutions in the prior art, the specific implementation of the utility model will be described below with reference to the accompanying drawings. Obviously, the accompanying drawings in the following description are only some embodiments of the present utility model, and those skilled in the art can also obtain other accompanying drawings according to these drawings without creative work, and Get other implementations.

In order to make the drawings concise, the parts related to the utility model are only schematically shown in each drawing, and they do not represent the actual structure of the product. In addition, to make the drawings concise and easy to understand, in some drawings, only one of the components having the same structure or function is schematically shown, or only one of them is marked. Herein, "a" not only means "only one", but also means "more than one".

In this article, it needs to be explained that unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection, or Integral connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations. Herein, up, down, left, and right refer to up, down, left, and right of the drawings described, and do not fully represent the actual situation.

In the first embodiment, as shown in Figures 1 and 2, a supporting plate, the cross-sectional shape of the supporting plate 31 is a convex structure, including an integrally formed left support part 315, a middle support part 317 and a right support part 318 The cross-sectional shape of the middle support part 317 is an inverted U-shaped structure, including the first side 3171, the second side 3172 and the third side 3173 connected in sequence, and the second side 3172 forms the closed end of the middle support part 317; the middle support part 317 forms a protrusion for clamping the pressing block 1, and the pressing block 1 is clamped on the protrusion to press the photovoltaic module 2; the first side 3171 and the third side 3173 are provided with a card slot 31711 for the card of the pressing block , the card 16 of the pressure block 1 is held against the card slot 31711 to achieve clamping and fixing; the left supporting part 315 and the right supporting part 318 form a first supporting part for supporting the photovoltaic module 2 . In practical application, the pressing block 1 is pressed into the middle support portion 317 of the supporting plate 31 to realize the first connection between the pressing block 1 and the supporting plate 31; the pressing block is further realized by engaging the card 16 with the card slot 31711 1 and the second connection to the supporting plate 31; the two connections greatly ensure the firmness and stability of the connection between the pressing block 1 and the supporting plate 31. Therefore, the wind resistance performance of the photovoltaic module 2 on the roof is greatly improved; the photovoltaic module 2 is supported on the supporting plate 31, so that the pressing block 1 presses the photovoltaic panel 21 downward, and the supporting plate 31 supports the photovoltaic module 2 from below, thereby realizing The pressing of the photovoltaic module 2 is realized; and the connection between the pressing block 1, the supporting plate 31 and the photovoltaic module 2 does not need any perforation action, which avoids the water leakage caused by the perforation; And the phenomenon of failure due to rainwater entering itself; the construction cost and later maintenance cost of the present invention are greatly reduced, and it is firm and reliable, and the roof photovoltaic system has excellent wind resistance.

In the second embodiment, as shown in Figures 1 and 2, on the basis of the first embodiment, the card slot 31711 is formed by indenting the first side 3171 and the second side 3172 respectively, so that the closed end of the middle support part 317 forms a T T-shaped structure, the opening end of the middle support part 317 forms a variable diameter structure, and the small diameter end of the variable diameter structure is arranged close to the T-shaped structure. Preferably, the T-shaped structure includes a hollow horizontal part and a hollow vertical part; the hollow horizontal part and the hollow vertical part are vertically arranged and connected internally, so that two card slots 31711 are formed at the junction of the hollow horizontal part and the hollow vertical part; The end of the lateral portion away from the card slot 31711 extends downwards with a resisting portion 31721 , so that the card 16 is abutted against the card slot 31711 . Preferably, a first water guide groove 316 is provided on a side of the left support part 315 away from the middle support part 317 ; a second water guide groove 319 is provided on a side of the right support part 318 away from the middle support part 317 . Preferably, the first water guiding groove 316 and the second water guiding groove 319 are lower than the first supporting portion along the groove depth direction. Preferably, the cross-sectional shape of the first water guiding groove 316 and/or the second water guiding groove 319 is U-shaped or V-shaped. It should be noted that the cross-sectional shapes of the first water guiding groove 316 and the second water guiding groove 319 can also be other polygonal structures. When the cross-sectional shape of the first water guide groove 316 and the second water guide groove 319 is U-shaped, the first water guide groove 316 and the second water guide groove 319 each include a fourth side 3161, a fifth side 3162 and a sixth side 3163 connected in sequence The fifth side 3162 forms a closed end, and the sixth side 3163 is arranged near the middle support portion 317; the fourth side 3161 extends outward along the first direction with a second extension side 3164, and the second extension side 3164 is formed to support the transverse guide The second supporting part of the water plate 32. Since the supporting plate 31 is integrally formed, the first supporting part at this time is composed of the first extended side 3174 formed by extending the first side 3171 and the third side 3173 towards the direction away from the second side 3172 respectively. One end of the side 3174 is connected to the first side 3171 or the third side 3173 , and the other end of the first extended side 3174 is connected to the sixth side 3163 .

In the third embodiment, as shown in Figures 1-13, a roof photovoltaic system includes: a pressing block 1, several photovoltaic modules 2 and a supporting plate 31; the pressing block 1 includes a pressing plate 11; The two side plates 12 on the side; 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 draw-in groove 13; the outer side wall of the side plate 12 away from the draw-in groove is provided There is a pressing piece 14 for pressing the photovoltaic module 2; the outer wall of the side plate 12 away from the card slot 13 is provided with a clamping part 15 for clamping the photovoltaic module 2; the pressing piece 14 is arranged near the bottom of the card slot 13, The connecting part 15 is arranged close to the opening of the card slot 13; the side plate 12 is provided with a card 16 on the inner side close to the card slot 13; the cross-sectional shape of the supporting plate 31 is a convex structure, including an integrally formed left support part 315, a middle support part 317 and right support part 318; the cross-sectional shape of the middle support part 317 is an inverted U-shaped structure, including the first side 3171, the second side 3172 and the third side 3173 connected in sequence, and the second side 3172 forms the middle support part 317 the closed end of the closed end; the middle support part 317 forms a protrusion for clamping the pressure block 1, and the pressure block 1 is clamped on the protrusion to press the photovoltaic module 2; the first side 3171 and the third side 3173 are provided for clamping and pressing The card slot 31711 of the card of the block, the card 16 of the pressing block 1 is held against the card slot 31711 to realize the clamping and fixing; the left support part 315 and the right support part 318 form the first support part for supporting the photovoltaic module 2 The slot 13 is clamped on the middle support part 317 ;

In the fourth embodiment, as shown in Figures 1-13, on the basis of the third embodiment, the card 16 and the side plate 12 are set at an angle; the card slot 31711 is formed by the first side 3171 and the second side 3172 respectively concave, The closed end of the middle support part 317 forms a T-shaped structure, the open end of the middle support part 317 forms a diameter-reducing structure, and the small-diameter end of the diameter-reducing structure is arranged close to the T-shaped structure. Preferably, the T-shaped structure includes a hollow horizontal part and a hollow vertical part; the hollow horizontal part and the hollow vertical part are vertically arranged and connected internally, so that two card slots 31711 are formed at the junction of the hollow horizontal part and the hollow vertical part; The end of the lateral portion away from the card slot 31711 extends downwards with a resisting portion 31721 , so that the card 16 is abutted against the card slot 31711 . The end of the card 16 away from the side plate 12 is provided with a limiting portion 161 , so that the end of the card 16 away from the side plate 12 is in the shape of a tree branch, which increases the firmness of the card 16 on the support plate 31 . Preferably, the card 16 is formed by bending a part of the side plate 12 toward the card slot 13 , and the end of the card 16 away from the side plate 12 is arranged near the bottom of the card slot 13 . Preferably, the card 16 is made of a material with elastic memory, so as to increase the stability and firmness of the connection between the card 16 and the supporting plate 31 . Preferably, the side plate 12 is provided with a through hole 121 at a position directly below the pressing piece 14 . Preferably, more than one engaging portion 15 is provided directly under the pressing piece 14 . In practical applications, the number and positions of the card 16 , the pressing piece 14 , the engaging portion 15 , and the through hole 121 can be set according to actual needs. Preferably, a reinforcing rib is provided on the surface of the card 16 away from the card slot 13 .

In the fifth embodiment, as shown in Figures 1-13, on the basis of the third or fourth embodiment, the clamping part 15 pierces the metal frame 22 of the photovoltaic module 2 to realize the contact connection between the clamping part 15 and the metal frame 22 ; Make the metal frame 22, the pressing block 1 and the supporting plate 31 electrically connected; the supporting plate 31 is grounded. In practical applications, since the metal frame 22 of the photovoltaic module 2 needs to be grounded to improve the safety of the rooftop photovoltaic system, but each photovoltaic module 2 needs to be grounded, which makes the grounding of the rooftop photovoltaic system very cumbersome and complicated, which is not conducive to the construction process , the present invention creatively uses 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 pressing block 1 is engaged on the supporting plate 31 for supporting the photovoltaic module 2, Therefore, using the briquetting block 1 as a conductor, the metal frame 22 and the supporting plate 31 are connected to realize the electrical connection between the metal frame 22, the briquetting block 1 and the supporting plate 31. By grounding the supporting plate 31, the For the grounding safety setting of the photovoltaic module 2 , since the number of supporting plates 31 is much smaller than that of the photovoltaic module 2 , the complexity and difficulty of installation and implementation of the grounding of the photovoltaic module 2 are greatly simplified. It is worth noting that the pressing block 1 only needs to realize the electrical connection between the metal frame 22 and the support plate 31 (that is, the grounding connection), and the pressing block 1 can be a metal component as a whole or a part of it. Preferably, the engaging portion 15 is formed by folding a part of the side plate 12 toward the side away from the engaging slot 13 , so that the engaging portion 15 and the side plate 12 are arranged at an angle. Preferably, the end of the engaging portion 15 away from the side plate 12 is pointed or provided with a thorn angle (the thorn angle is set in a direction away from the card slot 13). In practical applications, the clamping portion 15 may only be provided on the first side panel or the second side panel, or both may be provided on the first side panel and the second side panel, which are specifically set according to actual applications.

Preferably, the pressing sheet 14 is an elastic member, and the pressing sheet 14 may be a plastic pressing sheet or a metal pressing sheet. Preferably, the pressing block 1 has a certain elastic recovery force, so as to facilitate pressing the photovoltaic module 2 . Preferably, the pressing piece 14 is preferably extended to the photovoltaic panel 21 of the photovoltaic module 2, and by increasing the contact area between the pressing piece 14 and the photovoltaic module 2, the stability and firmness of fixing the photovoltaic module 2 on the roof are ensured. Preferably, the pressing piece 14 can be arranged vertically or at an angle to the extending direction of the slot 13 . And the pressing piece 14 is preferably separately provided on both sides of the pressing plate 11 , that is, the pressing piece 14 is provided on the outer side walls of the first side plate and the second side plate. It is worth noting that when the end faces of the first side plate and the second side plate near the bottom of the slot 13 are flush with the upper surface of the pressure plate 11, then the pressure piece 14 is arranged on the side plate 12, when the first side plate and the second side plate When the end face near the bottom of the draw-in groove 13 of the second side plate is flush with the lower surface of the pressure plate 11 (joint), then the pressure piece 14 can be arranged on the side plate 12 or the pressure plate 11, but should all belong to the present invention protected range. Preferably, the surface of the pressing piece 14 away from the slot 13 is provided with reinforcing ribs. Preferably, grooves are provided on the surface of the pressing sheet 14 near the side of the photovoltaic module 2, so as to avoid air bubbles between the pressing sheet 14 and the photovoltaic module 2, ensure the fit between the pressing sheet 14 and the photovoltaic module 2, and improve The firmness of the connection between the pressing sheet 14 and the photovoltaic module 2 .

In Embodiment 6, as shown in Figures 1-13, on the basis of Embodiment 3, 4 or 5, a water guide structure 3 is also included. plates, so that the joints of the photovoltaic modules 2 arranged on both sides of the supporting plate 31 are located above the water guide grooves of the water guide structure 3 . Preferably, the water guiding structure 3 further includes a horizontal water guiding plate 32 extending along a first direction, and the first direction is perpendicular to the slope direction; the horizontal water guiding plate 32 is arranged at the contact of two adjacent photovoltaic modules 2 Below, and the horizontal water guide plate 32 communicates with the longitudinal water guide plate. Preferably, a transverse sealing strip 321 is interposed at the contact of two adjacent photovoltaic modules 2 along the first direction; preferably, as shown in Figures 12 and 13, the transverse sealing strip 321 is a T-shaped structure, including The first straight side 3211 and the second straight side 3212, 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 slope direction, and the two outer sidewalls of the second straight side 3212 along the first direction are opened with Barb 3213. The existence of the barb 3213 can reduce the gap between the contact points of the photovoltaic module 2, and make the rainwater flow on the upper surface of the photovoltaic module 2 as much as possible, thereby reducing the probability of water seepage and leakage of the BIPV, and further reducing the profile size of the horizontal water guide plate 32 , to reduce the cost; and the setting of the channel 3214 improves the sealing and bonding of the adjacent photovoltaic modules 2, thereby reducing the gap between the two contact points.

In Embodiment 7, as shown in Figures 1-13, on the basis of Embodiment 3, 4, 5 or 6, a longitudinal sealing strip 311 is provided between the photovoltaic module 2 and the first supporting part; The surface of the sealing strip 311 near the side of the photovoltaic module 2 is a serrated surface 3111, while the surface near the side of the first supporting part is a flat contact surface 3112. Preferably, the contact surface 3112 is provided with adhesive backing, so that in the actual installation longitudinal When the sealing strip 311 is installed, the longitudinal sealing strip 311 can be directly bonded to the first supporting part through the adhesive, so as to avoid the unfavorable phenomenon that the longitudinal sealing strip 311 falls off during the installation process of the photovoltaic module 2, thereby improving the construction efficiency of the roof. In order to reduce the space occupied by the supporting plate 31 and the water guiding structure 3 in the height direction of the roof, the supporting plate 31 is preferably a longitudinal water guiding plate. The side of the left supporting part 315 away from the middle supporting part 317 is provided with a first water guiding groove 316 ; the side of the right supporting part 318 away from the middle supporting part 317 is provided with a second water guiding groove 319 . Preferably, the first water guiding groove 316 and the second water guiding groove 319 are lower than the first supporting portion along the groove depth direction. Preferably, the cross-sectional shape of the first water guide groove 316 and/or the second water guide groove 319 is U-shaped or V-shaped. It should be noted that the cross-sectional shapes of the first water guiding groove 316 and the second water guiding groove 319 can also be other polygonal structures. When the cross-sectional shape of the first water guide groove 316 and the second water guide groove 319 is U-shaped, the first water guide groove 316 and the second water guide groove 319 each include a fourth side 3161, a fifth side 3162 and a sixth side 3163 connected in sequence The fifth side 3162 forms a closed end, and the sixth side 3163 is arranged near the middle support portion 317; the fourth side 3161 extends outward along the first direction with a second extension side 3164, and the second extension side 3164 is formed to support the transverse guide The second supporting part of the water plate 32. Since the supporting plate 31 is integrally formed, the first supporting part at this time is composed of the first extended side 3174 formed by extending the first side 3171 and the third side 3173 towards the direction away from the second side 3172 respectively. One end of the side 3174 is connected to the first side 3171 or the third side 3173 , and the other end of the first extended side 3174 is connected to the sixth side 3163 .

In practical application, since a plurality of supporting plates 31 are arranged at intervals along the first direction on the roof purlins, and the photovoltaic module 2 is supported by the first supporting plates 31 adjacently arranged along the first direction. The supporting part, that is, the side wall on the left side of the photovoltaic module 2 is supported on 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 left side of the right supporting plate 31 The first supporting portion on the side; and the horizontal water guiding plate 32 places the second supporting portion of the two supporting plates 31 adjacently arranged along the first direction, that is, the end support on the left side of the horizontal water guiding plate 32 The second supporting portion on the right side of the left supporting plate 31; the end portion on the right side of the lateral water guiding plate 32 is supported on the second supporting portion on the left side of the left supporting plate 31; The rainwater in the plate 32 can flow to the supporting plate 31 , so as to realize the discharge of the rainwater at the contact between adjacent photovoltaic modules 2 .

In the eighth embodiment, as shown in Figures 1-13, on the basis of the sixth or seventh embodiment, the cross-sectional shape of the transverse water guiding plate 32 is a U-shaped structure, including a first side wall 323, a bottom surface 322 and a second side The wall 324 and the bottom surface 322 form the closed end of the horizontal water guide plate 32; the open end of the horizontal water guide plate 32 is set toward the photovoltaic module 2; The second clamping edge 326 makes the horizontal water guiding plate 32 clamped on the two adjacent supporting plates 31 , and the horizontal water guiding plate 32 communicates with the supporting plates 31 . In the actual installation process, the first card edge 325 on the right side of the horizontal water guide plate 32 is stuck on the inner wall of the second supporting part of the supporting plate 31 on the right side; The second card edge 326 is stuck on the inner wall of the second supporting part of the supporting plate 31 on the left side; preferably, the end of the first side wall 323 away from the bottom surface 322 extends outwards with a first drain edge 327; The end of the side wall 324 away from the bottom surface 322 extends outwards with a second drainage edge 328; preferably, the centerline of the bottom surface 322 corresponds to the contact between two adjacent photovoltaic modules 2, that is, the horizontal water guide plate 32 is located between two adjacent photovoltaic modules. directly below the contacts of a photovoltaic module 2. Preferably, the height of the first supporting part is greater than that of the second supporting part, so that there is a gap between the bottom surface 322 of the lateral water guide plate 32 and the lower surface of the photovoltaic module 2, so as to facilitate the drainage of rainwater and the connection of the photovoltaic module 2. installed, and the horizontal deflector does not participate in the support of the photovoltaic module 2 .

It should be noted that the above embodiments can be freely combined as required. The above is only a preferred embodiment of the utility model, it should be pointed out that for those of ordinary skill in the art, without departing from the principle of the utility model, some improvements and modifications can also be made. Retouching should also be regarded as the scope of protection of the present utility model.

Claims (10)

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 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; a clamping piece is arranged on the inner side of one side of the side plate close to the clamping groove;

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.

6. The rooftop photovoltaic system of claim 5, 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.

7. The rooftop photovoltaic system of claim 6, 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.

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.