Flat roof photovoltaic system

Abstract

The utility model discloses a flat roof photovoltaic system, which relates to the technical field of photovoltaic power generation and comprises a supporting base, a photovoltaic panel assembly, a pressing block and a support. The supporting base comprises a long side edge, a short side edge and an inclined side edge which are of a triangular structure, and a supporting edge which is arranged on the long side edge and is used for supporting the inclined side edge; the photovoltaic panel assembly is laid on the upper side of the inclined side edge, pressing blocks are arranged on the upper edges of the two sides of a frame of the photovoltaic panel assembly, supports connected with the pressing blocks in a matched mode are arranged on the lower edges of the two sides of the frame of the photovoltaic panel assembly, the frame of the photovoltaic panel assembly is located between the pressing blocks and the supports, and the pressing blocks and the supports are fixed to the two ends of the inclined side edge through connecting pieces. The whole supporting base is of a closed B-shaped structure, the structure is simple and attractive, and the whole supporting base is of a triangular stable structure form; by means of the arrangement, the supporting base can support the photovoltaic panel assembly more stably, and the supporting base can be effectively prevented from being damaged in the manufacturing and transporting process.

Description

TECHNICAL FIELD

[0001] The utility model relates to photovoltaic power generation technical field, especially relate to a flat roof photovoltaic system. BACKGROUND

[0002] With the continuous advancement of China's "double carbon" target, the installed capacity of China's photovoltaic is growing rapidly, and the industry continues to be in a good situation. However, with the accelerating development process of distributed photovoltaic roof, the potential pain points of distributed photovoltaic concrete roof photovoltaic system support have gradually attracted people's attention.

[0003] The L-shaped support disclosed in the existing CN219740259U photovoltaic system patent is prone to breakage during application, and the open side of the upper part of the L-shaped support cannot form a stable system, thereby providing stable support for the photovoltaic panel assembly.

[0004] Therefore, how to improve the stability of supporting the photovoltaic assembly is a technical problem that needs to be solved by those skilled in the art at present. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a flat roof photovoltaic system, which can improve the stability of supporting the photovoltaic assembly.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A flat roof photovoltaic system comprises:

[0008] The support base comprises a long side, a short side and an inclined side in a triangular structure, and a support side arranged on the long side and supporting the inclined side;

[0009] The photovoltaic panel assembly is laid on the upper side of the inclined side, the upper edge of the frame on both sides of the photovoltaic panel assembly is provided with a pressing block, the lower edge of the frame on both sides of the photovoltaic panel assembly is provided with a support connected with the pressing block, the frame of the photovoltaic panel assembly is located between the pressing block and the support, and the pressing block and the support are fixed on both ends of the inclined side through the connecting piece.

[0010] As a preferred, the long side and the inclined side are connected at the end to form a front end, the short side and the long side are connected at the end to form a rear end, the short side and the long side are connected vertically, the support side is connected vertically to the middle part of the long side, the front end and the rear end are provided with a connecting groove, the connecting piece is located in the connecting groove, and the end of the connecting piece passes through the support and the pressing block in turn, and is fixedly connected with the support and the pressing block through the nut.

[0011] As a preferred, the connecting piece is a square head bolt, the connecting groove is an inverted T-shaped groove, the head of the square head bolt is located in the bottom space of the T-shaped groove, and the tail of the square head bolt extends out of the top of the T-shaped groove.

[0012] As preferred, the pressing block comprises a front pressing block arranged at the front end and a rear pressing block arranged at the rear end, the pressing block is in a "Z" shape, and each comprises a pressing surface, a positioning surface and a fixing surface connected with each other, the pressing surface abuts against the top surface of the frame of the photovoltaic panel assembly, the positioning surface abuts against the side surface of the frame of the photovoltaic panel assembly, and the fixing surface is vertically connected with a clamping surface at one end away from the positioning surface, and the fixing surface is provided with a first connecting hole.

[0013] As preferred, the support comprises a front support matched with the front pressing block and a rear support matched with the rear pressing block.

[0014] The front support comprises a supporting part and a connecting part connected with each other, the supporting part abuts against the bottom surface of the frame of the photovoltaic panel assembly, the connecting part is provided with a second connecting hole, and the end part of the connecting part away from the supporting part is provided with a plurality of transverse grooves on the upper surface thereof, and the end part is upwardly folded to form a limiting edge.

[0015] The rear support is provided with a third connecting hole at one side thereof abutting against the bottom surface of the frame of the photovoltaic panel assembly.

[0016] The supporting part and the rear support are each upwardly bent to form a hooking edge at the side close to the photovoltaic panel assembly, and the hooking edge abuts against the inner side of the bottom surface of the frame of the photovoltaic panel assembly.

[0017] As preferred, the front end and the rear end are both horizontal planes, and the upper side surfaces of the supporting part and the rear support are both inclined planes, and the inclination angle of the inclined plane is consistent with the inclination angle of the photovoltaic panel assembly arranged in an inclined manner.

[0018] The supporting part and the rear support are both in a hollow structure.

[0019] As preferred, the positioning surface is provided with two parallel convex ridges at the side close to the photovoltaic panel assembly, and the convex ridges are used for abutting against the side edge of the frame of the photovoltaic panel assembly.

[0020] As preferred, the free end of the pressing surface is bent to form a pressing edge toward the photovoltaic panel assembly, and the two sides of the pressing surface are provided with relatively tapered flared mouths.

[0021] As preferred, the front end is provided with a mounting groove for mounting a grounding flat iron, and the grounding flat iron is connected with the photovoltaic panel assembly through a grounding wire.

[0022] As preferred, a baffle for wind shielding is detachably mounted at the outer side of the short side edge.

[0023] With respect to the above background art, the utility model provides a kind of flat roof photovoltaic system, it include: support base, photovoltaic panel assembly, briquetting and support seat;Support base, including long side, short side and inclined side of triangular configuration and the support edge being supported inclined side and being set on long side;Photovoltaic panel assembly, lay on inclined side upside, the upper edge of photovoltaic panel assembly frame two sides is provided with briquetting, the lower edge of photovoltaic panel assembly frame two sides is provided with the support seat being connected with briquetting, the frame of photovoltaic panel assembly is between briquetting and support seat, briquetting and support seat are fixed in the both ends of inclined side by connecting piece.

[0024] Specifically, the support base in the utility model is closed B-shaped structure as a whole, simple and beautiful structure, and the whole triangular stable structure form;So setting, can make that support base can more stably support photovoltaic panel assembly, by inclined side and support edge, additional stress support is carried out to photovoltaic panel assembly, can prevent photovoltaic panel assembly middle droop;And support base as a whole is triangular structure, which can effectively prevent damage during manufacturing and transportation. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the drawings needed to be used in the embodiment or prior art description will be briefly introduced below, and obviously, the drawings in the following description are only embodiments of the utility model, and other drawings can be obtained according to the provided drawings without creative labor for those skilled in the art.

[0026] Figure 1 Structure view of flat roof photovoltaic system provided by the embodiment of the utility model;

[0027] Figure 2 Structure schematic view of flat roof photovoltaic system provided by the embodiment of the utility model;

[0028] Figure 3 Front end structure schematic view of flat roof photovoltaic system provided by the embodiment of the utility model;

[0029] Figure 4 Back end structure schematic view of flat roof photovoltaic system provided by the embodiment of the utility model;

[0030] Figure 5 For Figure 3 Another angle structure schematic view;

[0031] Figure 6 Structure schematic view of support base provided by the embodiment of the utility model;

[0032] Figure 7 Front briquetting structure schematic view provided by the embodiment of the utility model;

[0033] Figure 8 A front support structure schematic view provided by the embodiment of the utility model;

[0034] Figure 9 A rear pressing block structure schematic view provided by the embodiment of the utility model;

[0035] Figure 10 A rear support structure schematic view provided by the embodiment of the utility model.

[0036] Wherein:

[0037] 1-pv panel assembly, 2-support base, 2.1-long side, 2.2-short side, 2.3-inclined side, 2.4-supporting edge, 2.5-T-shaped groove, 3-square head bolt, 4-nut, 5-rear pressing block, 6-rear support, 6.1-third connecting hole, 7-front pressing block, 7.1-convex ridge, 7.2-pressing edge, 7.3-flared mouth, 8-front support, 8.1-supporting part, 8.2-connecting part, 8.3-second connecting hole, 8.4-cross groove, 8.5-limiting edge, 9-ground wire, 10-ground flat iron, 11-baffle, 12-pressing surface, 13-positioning surface, 14-fixing surface, 14.1-first connecting hole, 15-clamping surface, 16-hooked edge. DETAILED DESCRIPTION

[0038] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0039] In order to enable those skilled in the art to better understand the technical solutions of the utility model, the utility model will be further described in detail below with reference to the drawings and specific embodiments.

[0040] In the description of the utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left" and "right" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated position or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the utility model.

[0041] The utility model aims at providing a flat roof photovoltaic system, which can improve the stability of supporting the photovoltaic assembly.

[0042] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0043] Referring to Figures 1 to 10 , the embodiment provides a flat roof photovoltaic system, comprising: a support base 2, a photovoltaic panel assembly 1, a pressing block and a support; the support base 2 comprises a long side 2.1, a short side 2.2 and an inclined side 2.3 in a triangular structure, and a support side 2.4 arranged on the long side 2.1 and supporting the inclined side 2.3; the photovoltaic panel assembly 1 is laid on the upper side of the inclined side 2.3, the upper edge of the frame of the photovoltaic panel assembly 1 on both sides is provided with a pressing block, the lower edge of the frame of the photovoltaic panel assembly 1 on both sides is provided with a support matched with the pressing block, and the frame of the photovoltaic panel assembly 1 is located between the pressing block and the support. The pressing block and the support are fixed at both ends of the inclined side 2.3 through a connecting piece.

[0044] In the embodiment, the support base 2 can be a prefabricated concrete base, which has a large weight. A plurality of support bases 2 can be used in cooperation to support the photovoltaic panel assembly 1, and the number and laying density thereof can be determined according to the size and laying area of the photovoltaic panel assembly 1, which is not specially limited in the embodiment; and the support base 2 in the embodiment, as shown in Figure 6 , comprises a long side 2.1 and a short side 2.2 connected in an L shape, and an inclined side 2.3 connected between both end portions of the long side 2.1 and the short side 2.2, and further, a support side 2.4 is vertically arranged at the middle position of the long side 2.1, which extends upward until abutting against the inclined side 2.3; it can be understood that in this way, the force receiving area of the photovoltaic panel assembly 1 is greatly increased during being supported, so that the support of the photovoltaic panel assembly 1 is more stable, and the long side 2.1, the short side 2.2 and the inclined side 2.3 form a triangular structure, so that the support base 2 is more firm, and in addition, the middle of the support base 2 in the embodiment is further provided with the support side 2.4, which further strengthens the overall strength of the support base 2.

[0045] In the embodiment, the photovoltaic panel assembly 1 is installed on the support base 2 through the cooperation of the pressing block and the support. Specifically, the two side frames of the photovoltaic panel assembly 1 are fixed at both end portions of the inclined side 2.3 in the support base 2, wherein in order to better fix the photovoltaic panel assembly 1, the pressing block and the support are arranged, which can be clamped on the frame of the photovoltaic panel assembly 1 in cooperation, the support is located below, the pressing block is located above, and finally the connecting piece is fixed on the inclined side, as shown in Figure 3 and Figure 4 .

[0046] That is, the support base 2 in the utility model is in closed B type structure as a whole, simple and beautiful structure, and the whole triangular type stable structure form; so setting up, can make the support base 2 can more stably support photovoltaic panel assembly 1, through inclined side 2.3 and support edge 2.4, additional stress support to photovoltaic panel assembly 1, can prevent photovoltaic panel assembly 1 middle droop;And support base 2 whole triangular structure can effectively prevent it from being damaged in manufacturing, transportation process.

[0047] As preferred, long side 2.1 and inclined side 2.3 end connection to form the front end, short side 2.2 and long side 2.1 end connection to form the rear end, short side 2.2 and long side 2.1 vertical connection, support edge 2.4 vertical connection to the middle of long side 2.1, front end and rear end are provided with connecting groove, connecting piece is located in connecting groove, and the end of connecting piece passes through support and pressing block in turn, and is fixedly connected with support and pressing block through nut 4.

[0048] In the embodiment, as shown in Figure 1 and Figure 6 Short side 2.2 and long side 2.1 are vertically connected, and the length of short side 2.2 is less than the length of long side 2.1, and when inclined side 2.3 connects the end of both, the three constitute a right triangle structure, wherein the left end corner is the front end, i.e. the end connection of long side 2.1 and inclined side 2.3, which is located at a lower position, and the right end is the rear end, i.e. the end connection of short side 2.2 and long side 2.1, which is located at a higher position than the front end. In this way, the photovoltaic panel assembly 1 installed on the inclined side 2.3 can be inclined, which can better receive light.

[0049] In the embodiment, in order to better install the pressing block and the support, connecting grooves for installing connecting pieces are arranged at the positions of the front end and the rear end. One end of the connecting piece can pass through the support and the pressing block, and the other end can be connected into the connecting groove. In this way, the pressing block and the support can be fixedly installed by sleeving the nut 4 on the upper end of the connecting piece.

[0050] As preferred, the connecting piece is a T-shaped bolt 3, and the connecting groove is an inverted T-shaped groove 2.5. The head of the T-shaped bolt 3 is located in the bottom space of the T-shaped groove 2.5, and the tail of the T-shaped bolt 3 extends out of the top of the T-shaped groove 2.5.

[0051] In the embodiment, the connecting piece is a T-shaped bolt 3, and the connecting groove is an inverted T-shaped groove 2.5. In the installed state, the head of the T-shaped bolt 3 can extend into the T-shaped groove 2.5, and the stem of the T-shaped bolt 3 extends out of the T-shaped groove 2.5 and passes through the support and the pressing block in turn. Of course, the specific structure of the connecting piece and the T-shaped groove 2.5 can be selected according to the actual situation, as long as it can meet the fixed installation of the pressing block and the support.

[0052] As preferred, the pressing block comprises a front pressing block 7 arranged at the front end and a rear pressing block 5 arranged at the rear end, and the pressing block is in a "Z" shape, and comprises a pressing surface 12, a positioning surface 13 and a fixing surface 14 connected with each other, the pressing surface 12 abuts against the top surface of the frame of the photovoltaic panel assembly 1, the positioning surface 13 abuts against the side surface of the frame of the photovoltaic panel assembly 1, and the fixing surface 14 is vertically connected with a clamping surface 15 at one end away from the positioning surface 13, and the fixing surface 14 is provided with a first connecting hole 14.1.

[0053] As shown in particular Figure 7 and Figure 9 The pressing block is respectively a front pressing block 7 arranged at the front end and a rear pressing block 5 arranged at the rear end, and the front pressing block 7 and the rear pressing block 5 are both in a Z-shaped structure, which comprises a pressing surface 12, a positioning surface 13 and a fixing surface 14, the bending part at the top of the pressing surface 12 is pressed against the upper side of the frame of the photovoltaic panel assembly 1 in the installed state, at the same time, the abutting surface abuts against the side edge of the frame of the photovoltaic panel assembly 1, and the fixing surface 14 is used for mounting the connecting piece, and the fixing surface 14 is further provided with a first connecting hole 14.1, which is a waist-shaped hole in this embodiment, so that the position of the pressing block on both sides of the photovoltaic panel assembly 1 can be adjusted conveniently; in this embodiment, the photovoltaic panel assembly 1 is fixed between the front pressing block 7 and the rear pressing block 5 by arranging the pressing blocks on the upper and lower side frames of the photovoltaic panel assembly 1, so that the photovoltaic panel assembly 1 cannot be moved arbitrarily.

[0054] In addition, the other end of the fixing surface 14 is vertically provided with a clamping surface 15, which is clamped on the support to prevent the pressing block from moving when the clamping surface 15 contacts the support, and due to the existence of the clamping surface 15, the fixing surface 14 will not directly contact the support when the fixing surface 14 is mounted and matched with the support, and a gap will be left between the fixing surface 14 and the support, which is beneficial to the fastening of the connecting piece, and the fixing surface 14 will have a small deformation when it is fastened, and the deformation will generate an upward elastic force. The elastic force acting on the nut 4 can prevent it from falling off.

[0055] As preferred, the support comprises a front support 8 matched with the front pressing block 7 and a rear support 6 matched with the rear pressing block 5; the front support 8 comprises a supporting part 8.1 and a connecting part 8.2 connected with each other, the supporting part 8.1 abuts against the bottom surface of the frame of the photovoltaic panel assembly 1, the connecting part 8.2 is provided with a second connecting hole 8.3, the upper surface of the end of the connecting part 8.2 away from the supporting part 8.1 is provided with a plurality of transverse grooves 8.4, and the end is upwardly folded to form a limiting edge 8.5; one side of the rear support 6 abuts against the bottom surface of the frame of the photovoltaic panel assembly 1, and the other side is provided with a third connecting hole 6.1; the supporting part 8.1 and the rear support 6 are both upwardly bent to form a hook edge 16 close to the side of the photovoltaic panel assembly 1, and the hook edge 16 abuts against the inner side of the bottom surface of the frame of the photovoltaic panel assembly 1.

[0056] As shown in particularFigure 8 and Figure 9 As shown in FIG. 3 and FIG. 4, the support is also divided into front support 8 and rear support 6, the front support 8 cooperates with the front pressing block 7, and the rear support 6 cooperates with the rear pressing block 5; specifically, the front support 8 is divided into two parts, one part will support the photovoltaic panel assembly 1, which is the supporting part 8.1, and the other part will be used for the T-shaped bolt 3 to pass through and the pressing block to be installed together, which is the connecting part 8.2, similarly, the second connecting hole 8.3 in the form of a waist-shaped hole structure is also arranged on the connecting part 8.2, which is also for the convenience of adjusting the position of the front support 8 during installation; it should be noted that in the installed state, the clamping surface 15 of the front pressing block 7 will press against the upper side of the connecting part 8.2, as shown in FIG. 3, therefore, in this embodiment, a plurality of transverse grooves 8.4 are arranged at the corresponding position of the connecting part 8.2 to increase the friction between the clamping surface 15 and the connecting part 8.2, thereby preventing the front pressing block 7 from sliding; further, a limiting edge 8.5 is also arranged at the end to prevent the clamping surface 15 from sliding out of the connecting part 8.2. Similarly, the waist-shaped hole structure third connecting hole 6.1 is arranged in the middle of the rear support 6; in addition, the front support 8 and the rear support 6 in this embodiment are both provided with a hook edge 16 bent upward by 90 degrees at one end of supporting the photovoltaic panel assembly 1, the hook edge 16 will act on the inner side of the frame of the photovoltaic panel assembly 1,

[0057] In this embodiment, the pressing block acts on the top surface and side surface of the frame of the photovoltaic panel assembly 1, and the support acts on the bottom surface and inner side of the frame of the photovoltaic panel assembly 1, and the pressing block and the support cooperate with each other to realize the fixed installation of the photovoltaic panel assembly 1.

[0058] As a preferred, the front end and the rear end are both horizontal planes, the upper side of the supporting part 8.1 and the rear support 6 are both inclined planes, and the inclination angle of the inclined plane is consistent with the inclination angle of the inclined arrangement of the photovoltaic panel assembly 1; the supporting part 8.1 and the rear support 6 are both hollow structures.

[0059] In this embodiment, the top surface of the front end and the rear end is arranged as a horizontal plane, therefore, in order to adapt to the installation of the photovoltaic panel assembly 1, the front support 8 and the rear support 6 need to be provided with inclined planes; specifically, as shown in Figure 3 and Figure 4 As shown in FIG. 3 and FIG. 4, the support is also divided into front support 8 and rear support 6, the front support 8 cooperates with the front pressing block 7, and the rear support 6 cooperates with the rear pressing block 5; specifically, the front support 8 is divided into two parts, one part will support the photovoltaic panel assembly 1, which is the supporting part 8.1, and the other part will be used for the T-shaped bolt 3 to pass through and the pressing block to be installed together, which is the connecting part 8.2, similarly, the second connecting hole 8.3 in the form of a waist-shaped hole structure is also arranged on the connecting part 8.2, which is also for the convenience of adjusting the position of the front support 8 during installation; it should be noted that in the installed state, the clamping surface 15 of the front pressing block 7 will press against the upper side of the connecting part 8.2, as shown in FIG. 3, therefore, in this embodiment, a plurality of transverse grooves 8.4 are arranged at the corresponding position of the connecting part 8.2 to increase the friction between the clamping surface 15 and the connecting part 8.2, thereby preventing the front pressing block 7 from sliding; further, a limiting edge 8.5 is also arranged at the end to prevent the clamping surface 15 from sliding out of the connecting part 8.2. Similarly, the waist-shaped hole structure third connecting hole 6.1 is arranged in the middle of the rear support 6; in addition, the front support 8 and the rear support 6 in this embodiment are both provided with a hook edge 16 bent upward by 90 degrees at one end of supporting the photovoltaic panel assembly 1, the hook edge 16 will act on the inner side of the frame of the photovoltaic panel assembly 1,

[0060] Moreover, in order to save manufacturing cost, the supporting part 8.1 and the rear support 6 are both arranged as hollow structures, and the hollow structure is also convenient for the wind to pass through, which can effectively reduce the wind resistance and prevent the photovoltaic panel assembly 1 from being blown down.

[0061] As a preferred, the positioning surface 13 is provided with two parallel convex ridges 7.1 near the side of the photovoltaic panel assembly 1, and the convex ridges 7.1 are used for abutting the side edge of the frame of the photovoltaic panel assembly 1.

[0062] In the embodiment, as shown in Figure 7 two vertical protrusions 7.1 are arranged on the inner side of the positioning surface 13, and when the front pressing block 7 is in the installed state, the two protrusions 7.1 abut against the side surface of the frame of the photovoltaic panel assembly 1, and the two protrusions 7.1 form a channel for the water on the photovoltaic panel assembly 1 to flow downward.

[0063] On the basis of the above embodiment, the free end of the pressing surface 12 is bent toward the photovoltaic panel assembly 1 to form a pressing edge 7.2, and the two sides of the pressing surface 12 are provided with relatively tapered flared openings 7.3.

[0064] The pressing edge 7.2 of the right end of the pressing surface 12 is slightly bent downward, which first provides a downward pressing force on the photovoltaic panel assembly 1 when it is installed, thereby increasing the stability of the installation of the photovoltaic panel assembly 1, in addition, the pressing edge 7.2 is bent downward, and the inside thereof forms a channel that is connected between the two protrusions 7.1 and the upper side of the frame of the photovoltaic panel assembly 1, and further, the two side openings of the channel are provided with relatively tapered flared openings 7.3, as shown in Figure 5 and Figure 7 In this way, the flared openings 7.3, the channel in the pressing edge 7.2, and the channel between the two protrusions 7.1 form a siphon channel, and the residual water and dust on the surface of the photovoltaic panel assembly 1 can be sucked out through the siphon channel, thereby ensuring the cleanliness of the surface of the photovoltaic panel assembly 1 and increasing the power generation.

[0065] As a preferred, the front end is provided with a mounting groove for mounting a grounding flat iron 10, and the grounding flat iron 10 is connected to the photovoltaic panel assembly 1 through a grounding wire 9.

[0066] It can be understood that, in order to facilitate the installation of the photovoltaic panel assembly 1, a grounding flat iron 10 is also arranged at the front end position of the support base 2 and mounted in the corresponding mounting groove, and the photovoltaic panel assembly 1 can be directly connected to the grounding flat iron 10 through the grounding wire 9, thereby reducing the safety hazard.

[0067] As a preferred, a baffle for blocking wind is detachably mounted on the outer side of the short side edge 2.2.

[0068] As shown in Figure 1 and Figure 2 A baffle for blocking wind is mounted on the right side of the support base 2, i.e. on the outer side of the short side edge 2.2, it can be understood that the arrangement of the baffle can effectively prevent the speed from being too large and damaging the photovoltaic panel assembly 1, thereby prolonging the service life of the photovoltaic system.

[0069] It should be noted that the relative terms, such as first and second, are used herein solely to distinguish one entity from another entity, and do not necessarily require or imply any actual relationship or order between such entities.

[0070] The various embodiments in the specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments, and the same or similar parts between the various embodiments can be mutually referred to.

[0071] The above provides a detailed description of the embodiments of the present application. The principles and implementation methods of the present application are described by applying specific examples. The above description of the embodiments is only used to help understand the method and core idea of the present application. It should be pointed out that, for ordinary skilled persons in the technical field, without departing from the principles of the present application, the present application can be improved and modified in several ways, and these improvements and modifications also fall within the protection scope of the present application.

Claims

1. A flat roof photovoltaic system characterized by, The utility model relates to a photovoltaic panel assembly support base, and belongs to the field of photovoltaic panel assembly support base. The utility model discloses a photovoltaic panel assembly support base, which comprises a support base, a photovoltaic panel assembly and a support edge. The long side and the oblique side are connected at the ends to form a front end, the short side and the long side are connected at the ends to form a rear end, the short side and the long side are connected perpendicularly, the support edge is connected perpendicularly to the middle part of the long side, the front end and the rear end are provided with connecting grooves, the connecting pieces are located in the connecting grooves, and the ends of the connecting pieces pass through the support and the pressing block in sequence and are fixedly connected with the support and the pressing block through nuts.

2. The flat-roof photovoltaic system according to claim 1, wherein The connecting piece is a square head bolt, the connecting groove is an inverted T-shaped groove, the head of the square head bolt is located in the bottom space of the T-shaped groove, and the tail of the square head bolt extends out through the top of the T-shaped groove.

3. The flat-roof photovoltaic system according to claim 2, wherein, The pressing block comprises a front pressing block arranged at the front end and a rear pressing block arranged at the rear end, and the pressing block is in the shape of "Z", and comprises a pressing surface, a positioning surface and a fixing surface connected with each other.

4. The flat-roof photovoltaic system according to claim 2, wherein The support comprises a front support matched with the front pressing block and a rear support matched with the rear pressing block.

5. The flat-roof photovoltaic system according to claim 4, wherein The front support comprises a supporting part and a connecting part connected with each other, the supporting part is matched with the bottom surface of the frame of the photovoltaic panel assembly, the connecting part is provided with a second connecting hole, the end surface of the end part of the connecting part away from the supporting part is provided with a plurality of transverse grooves, and the end part is upwardly folded to form a limiting edge. One side of the rear support is matched with the bottom surface of the frame of the photovoltaic panel assembly, and the other side is provided with a third connecting hole. The supporting part and the rear support are both upwardly bent to form hook edges on the side close to the photovoltaic panel assembly. The front end and the rear end are both horizontal planes, the upper side surfaces of the supporting part and the rear support are both inclined planes, and the inclination angle of the inclined plane is consistent with the inclination angle of the photovoltaic panel assembly.

6. The flat-roof photovoltaic system according to claim 5, wherein The supporting part and the rear support are both hollow structures. The positioning surface is provided with two parallel convex ridges at intervals on the side close to the photovoltaic panel assembly, and the convex ridges are used for abutting against the side edges of the frame of the photovoltaic panel assembly.

7. The flat-roof photovoltaic system according to claim 4, wherein The free end of the pressing surface is bent to form a pressing edge towards the photovoltaic panel assembly, and the two sides of the pressing surface are provided with relatively tapered flared mouths.

8. The flat-roof photovoltaic system according to claim 7, wherein The front end is provided with a mounting groove for mounting a grounding flat iron, and the grounding flat iron is connected with the photovoltaic panel assembly through a grounding wire.

9. The flat-roof photovoltaic system according to claim 2, wherein A baffle for blocking wind is detachably mounted on the outer side of the short side.

10. The flat-roof photovoltaic system according to claim 1, wherein ​

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