Photovoltaic support system for precast slab roof

Abstract

The utility model discloses a photovoltaic support system used for a precast slab roof, comprising a photovoltaic support and a photovoltaic panel, the photovoltaic support comprises a plurality of lower supports and upper supports arranged on the lower supports, the lower supports comprise a plurality of concrete blocks, lower columns fixedly connected on the concrete blocks, and crossbeams fixedly connected on the tops of the plurality of lower columns, the concrete block is of a strip-shaped structure and vertically corresponds to an indoor bearing component. The upper support comprises a plurality of upper stand columns and oblique beams. The upper stand columns of the upper supports are arranged in rows, and the upper stand columns in each row are fixedly connected through connecting beams. The photovoltaic panels are fixed on the oblique beams, every two adjacent photovoltaic panels are connected through a first connecting structure, and the photovoltaic panels located at the edges are connected with the oblique beams through second connecting structures. The concrete block is of a strip-shaped structure, not only provides a stable installation foundation, but also corresponds to an indoor load-bearing component up and down, so that loads are directly transmitted to an indoor upper load-bearing wall, and the influence on an original roof is reduced as much as possible.

Description

Technical Field

[0001] The utility model relates to the field of photovoltaic installation, in particular to a photovoltaic support system for a prefabricated panel roof. Background Art

[0002] In recent years, rooftop distributed solar photovoltaic support systems have been developed and applied on a large scale. Among them, high-quality industrial and commercial roofs are high-quality and precious resources for installing rooftop photovoltaic support systems. For industrial and commercial roofs using prefabricated concrete panels, their safety is lower than that of cast-in-place panels, and the load of traditional photovoltaic support systems is often concentrated, which has a greater impact on prefabricated panel roofs and is prone to damage to the roofs. Therefore, it is crucial to design a photovoltaic support system that has little impact on prefabricated panel roofs and can ensure overall stability. Summary of the invention

[0003] In view of this, the utility model proposes a photovoltaic support system for a prefabricated panel roof, which can directly transfer the load to the indoor load-bearing wall, reduce the impact on the original roof, and further protect the original roof.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] The photovoltaic support system for prefabricated panel roofs described in the utility model comprises a photovoltaic support and a photovoltaic panel, wherein the photovoltaic support comprises a plurality of lower supports and an upper support arranged on each of the lower supports, wherein the lower supports comprise a plurality of concrete blocks, lower columns fixedly connected to each of the concrete blocks, and a crossbeam fixedly connected to the tops of the plurality of lower columns, wherein the concrete blocks are strip-shaped structures and correspond to the load-bearing components in the room up and down; the upper support comprises a plurality of upper columns and an oblique beam fixed to the plurality of upper columns; the upper columns of the plurality of upper supports are arranged in a row, and the upper columns of each row are fixedly connected together by a connecting beam;

[0006] The photovoltaic panels are fixed on the inclined beams, two adjacent photovoltaic panels are connected by a first connection structure, and the photovoltaic panels at the edge are connected to the inclined beams by a second connection structure; the first connection structure includes a first purlin and a first connection assembly fixed to the inclined beams by bolts, the first connection assembly includes an upper pressing plate and a lower supporting plate, the upper pressing plate is located in the gap between the photovoltaic panels, and the top of the upper pressing plate has a pair of

[0007] Used to fix the outer pressure edge of the photovoltaic panel; the lower support plate is located at the bottom of the two photovoltaic panels, and the upper pressure plate and the lower support plate are fixedly connected to the first locking plate in the first purlin by bolts.

[0008] The beneficial effects are: the concrete block of the utility model is a strip structure, which not only provides a stable installation foundation, but also corresponds to the indoor load-bearing components (such as load-bearing walls) up and down, thereby directly transferring the load to the upper load-bearing wall in the house, minimizing the impact on the original roof; in addition, the utility model uses an upper pressure plate, a lower support plate and a first purlin to fix the photovoltaic panel on the inclined beam, the outer pressure edge of the upper pressure plate is pressed on the edge of the photovoltaic panel, and the lower support plate is against the bottom surface of the two photovoltaic panels, effectively ensuring the fixing effect of the photovoltaic panel.

[0009] The lower bracket and the upper bracket of the utility model are of a portal frame structure, and the upper brackets are connected by connecting beams to form a frame-type support, which has strong integrity and bearing capacity, and effectively improves the stability of the photovoltaic bracket system.

[0010] Preferably, a pair of upper limit blocks are provided on the upper surface of the lower support plate, and the upper limit blocks are located in the gap between the two photovoltaic panels; and a pair of lower limit blocks are provided on the lower surface of the lower support plate and are located in the first purlin, which effectively prevents the lower support plate from moving along the direction of the inclined beam, thereby ensuring the fixing effect.

[0011] Preferably, the second connection structure comprises a second purlin and a second connection assembly, the second purlin is vertically fixed at the edge of the inclined beam; the second connection assembly comprises a side pressure plate and a side support plate, the block on the side support plate divides it into a first part and a second part, and the second part is located on the outside of the photovoltaic panel;

[0012] The side pressure plate comprises a first pressing portion pressed on the photovoltaic panel, a second pressing portion pressed on the second portion, and a connecting portion connecting the first pressing portion and the second pressing portion together, wherein the connecting portion is arranged horizontally, and the connecting portion and the second portion are fixedly connected together with a second locking plate in the second purlin by bolts.

[0013] The beneficial effect is that the side support plate of the utility model is clamped in the second purlin through the positioning block at the bottom thereof, the upper part of the side pressure plate is pressed on the edge of the photovoltaic panel, and the lower part thereof is pressed on the second part of the side support plate, and the side pressure plate and the lower support plate are fixedly connected by bolts, which effectively ensures the fixing effect of the photovoltaic panel and the inclined beam at the edge.

[0014] Preferably, the lower portion of each of the lower columns is fixedly connected to the cross beam via one or two diagonal braces.

[0015] Compared with the prior art, the concrete block of the utility model is a strip structure, which not only provides a stable installation foundation, but also corresponds to the indoor load-bearing components (such as load-bearing walls) up and down, thereby directly transferring the load to the upper load-bearing wall in the house, minimizing the impact on the original roof; in addition, the utility model uses the upper pressure plate, the lower support plate and the first purlin to fix the photovoltaic panel on the inclined beam, the outer pressure edge of the upper pressure plate is pressed on the edge of the photovoltaic panel, and the lower support plate is against the bottom surface of the two photovoltaic panels, effectively ensuring the fixing effect of the photovoltaic panel. The lower bracket and the upper bracket of the utility model are a portal frame structure, and the upper brackets are connected by connecting beams to form a frame support, which has strong integrity and strong bearing capacity, and effectively improves the stability of the photovoltaic bracket system. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the lower bracket of the utility model.

[0017] Figure 2 It is a schematic diagram of the connection between the upper bracket and the photovoltaic panel of the utility model.

[0018] Figure 3 It is a schematic diagram of a connection node between two adjacent photovoltaic panels and an inclined beam in the utility model.

[0019] Figure 4 It is a schematic diagram of the node of the uppermost photovoltaic panel and the inclined beam in the utility model. DETAILED DESCRIPTION

[0020] The following is a detailed description of an embodiment of the utility model in conjunction with the accompanying drawings. This embodiment is implemented on the premise of the technical solution of the utility model, and a detailed implementation method and a specific operation process are given, but the protection scope of the utility model is not limited to the following embodiment.

[0021] It should be noted that, in the description of the present utility model, relational terms such as "first" and "second" are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations.

[0022] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected" and "connection" that may appear should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0023] like Figure 1-2As shown, the photovoltaic support system for prefabricated panel roofs described in the utility model includes a photovoltaic support and a photovoltaic panel 1, the photovoltaic support includes a plurality of lower supports 2 and an upper support 3 arranged on each lower support 2, the lower support 2 includes a plurality of concrete blocks 2.1 (a strip structure, i.e., a rectangular parallelepiped structure) corresponding one by one to the load-bearing components in the room, and also includes a lower column 2.2 fixedly connected to each concrete block 2.1 and a crossbeam 2.3 fixedly connected to the top of the plurality of lower columns 2.2; the lower columns 2.2 (excluding the two lower columns 2.2 at the edge) are connected to the crossbeam 2.3 through a pair of diagonal braces 2.4, and the two lower columns 2.2 located at the southernmost and northern sides are connected to the crossbeam 2.3 through a diagonal brace 2.4, so as to effectively ensure the bearing capacity of the lower support 2;

[0024] The upper bracket 3 includes a plurality of upper columns 3.1 and an inclined beam 3.2 fixed on the plurality of upper columns 3.1; the upper bracket 3 and the lower bracket 2 are arranged in the north-south direction, and the plurality of upper brackets 3 are spaced in the east-west direction. In order to ensure the integrity of the photovoltaic bracket, the upper columns 3.1 on the plurality of upper brackets 3 are arranged in a row, and the upper part of each row of upper columns 3.1 is connected together by a connecting beam 3.4, so that the upper bracket 3 is connected to form a whole. In addition, there are cross-arranged connecting steel pipes 3.3 between the plurality of upper columns 3.1 of the upper bracket to further ensure the integrity of the photovoltaic bracket.

[0025] The concrete block 2.1 of the utility model is a strip structure, which not only provides a stable installation foundation, but also corresponds to the indoor load-bearing components (such as load-bearing walls) up and down, thereby directly transferring the load to the upper load-bearing wall in the house, minimizing the impact on the original roof; the lower bracket 2 and the upper bracket 3 are portal structures, and the upper bracket 3 is connected by a connecting beam to form a frame support, which has strong integrity and strong bearing capacity.

[0026] The photovoltaic panel array is arranged on the inclined beam 3.2, and two upper and lower adjacent photovoltaic panels 1 are connected by a first connecting structure, and the first connecting structure includes a first purlin 4.1 and a first connecting assembly fixed on the inclined beam 3.2 by bolts, and the first purlin 4.1 is parallel to the connecting beam, and the first purlin 4.1 is fixed on the inclined beam 3.2 of the plurality of upper brackets 3, and the first purlin 4.1 corresponds to the gap between the two photovoltaic panels 1 up and down; the first connecting assembly includes an upper pressing plate 4.2 and a lower supporting plate 4.3, and the upper pressing plate 4.2 is a U-shaped structure and is located in the gap between the two photovoltaic panels 1, and the top of the upper pressing plate 4.2 has a pair of fixing members for fixing the photovoltaic panels 1 The outer pressure edge a is pressed on the edges of the two photovoltaic panels 1 respectively; the lower support plate 4.3 is located at the bottom of the two photovoltaic panels 1, and the upper pressure plate 4.2 and the lower support plate 4.3 are fixedly connected with the first locking plate 4.4 in the first purlin 4.1 by bolts, thereby realizing the fixed connection between the photovoltaic panel 1 and the inclined beam 3.2, and the fixing effect is good; wherein, a pair of upper limit blocks b are arranged on the upper surface of the lower support plate 4.3, and the two upper limit blocks b are located in the gap between the two photovoltaic panels 1; a pair of lower limit blocks c located in the first purlin 4.1 are arranged on the lower surface of the lower support plate 4.3, so as to prevent the lower support plate 4.3 from moving up and down along the inclined beam 3.2 and ensure the fixing effect, see details Figure 3 .

[0027] During actual installation, the two photovoltaic panels 1 on both sides are connected to the inclined beam 3.2 through the second connection structure. Take the connection between the top photovoltaic panel 1 and the inclined beam 3.2 as an example: the second connection structure includes a second purlin 5.1 (parallel to the connection beam, the second purlin 5.1 is fixed to the plurality of inclined beams 3.2 by bolts) and a second connection assembly, the second purlin 5.1 is fixed to the edge of the inclined beam 3.2; the second connection assembly includes a side pressure plate 5.2 and a side support plate 5.3, the block on the upper surface of the side support plate 5.3 divides it into a first part and a second part, the first part is against the bottom of the photovoltaic panel 1; the second part is located on the outside of the photovoltaic panel 1; the side pressure plate 5.2 has a first part pressed on the photovoltaic panel 1 The clamping part, the second clamping part pressed on the second part and the connecting part connecting the first clamping part and the second clamping part together, the first clamping part is an L-shaped structure, which is pressed at the edge of the photovoltaic panel 1; the connecting part is arranged horizontally, the second clamping part is installed vertically and its bottom is pressed on the second part of the side support plate 5.3, the connecting part and the second part are fixedly connected with the second locking plate 5.4 in the second purlin 5.1 by bolts, so as to realize the fixed connection between the side support plate 5.3, the side pressure plate 5.2 and the second purlin 5.1, and further realize the fixation of the photovoltaic panel 1 and the inclined beam 3.2, see details Figure 4 .

[0028] In actual construction, waterproofing membrane is laid on the roof corresponding to the indoor load-bearing member, and then concrete block 2.1 is constructed, and lower column 2.2 is fixedly installed on concrete block 2.1, and then the crossbeam is fixed to the upper part of the lower column, and diagonal bracing is constructed to complete the construction of one lower bracket, and this is repeated to complete the construction of other lower brackets;

[0029] An upper bracket 3 is constructed on each lower bracket 2. During the construction, the upper columns 3.1 are first installed on the crossbeam at intervals in order of height, and the inclined beam 3.2 is installed on the upper columns 3.1 of each upper bracket; each column of upper columns 3.1 is connected together with a connecting beam, and the first purlin 4.1 and the second purlin 5.1 are respectively installed at the designed position. The photovoltaic panels are fixed to the inclined beam 3.2 correspondingly using the first connecting assembly and the second connecting assembly, and the construction can be completed.

[0030] Finally, it should be emphasized that the above is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions recorded in the aforementioned embodiments without creative work, or replace some of the technical features therein with equivalents. Therefore, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A photovoltaic support system for a prefabricated roof, comprising a photovoltaic support and a photovoltaic panel, characterized in that: The photovoltaic support comprises a plurality of lower supports and an upper support arranged on each of the lower supports, the lower supports comprising a plurality of concrete blocks, lower columns fixedly connected to each of the concrete blocks and a crossbeam fixedly connected to the tops of the plurality of lower columns, the concrete blocks are strip-shaped structures and correspond to the load-bearing components in the room up and down; the upper support comprises a plurality of upper columns and an inclined beam fixed on the plurality of upper columns; the upper columns of the plurality of upper supports are arranged in a row, and the upper columns in each row are fixedly connected together by a connecting beam; The photovoltaic panels are fixed on the inclined beams, two adjacent photovoltaic panels are connected by a first connecting structure, and the photovoltaic panels at the edge are connected to the inclined beams by a second connecting structure; the first connecting structure includes a first purlin and a first connecting assembly fixed to the inclined beams by bolts, the first connecting assembly includes an upper pressure plate and a lower support plate, the upper pressure plate is located in the gap between the photovoltaic panels, and the top of the upper pressure plate has a pair of outer pressure edges for fixing the photovoltaic panels; the lower support plate is located at the bottom of the two photovoltaic panels, and the upper pressure plate and the lower support plate are fixedly connected to the first locking plate in the first purlin by bolts.

2. The photovoltaic support system for prefabricated roof according to claim 1, characterized in that: A pair of upper limit blocks are arranged on the upper surface of the lower support plate, and the upper limit blocks are located in the gap between the two photovoltaic panels; a pair of lower limit blocks are arranged on the lower surface of the lower support plate and are located in the first purlin.

3. The photovoltaic support system for prefabricated roof according to claim 1, characterized in that: The second connection structure includes a second purlin and a second connection assembly, wherein the second purlin is vertically fixed at the edge of the inclined beam; the second connection assembly includes a side pressure plate and a side support plate, and a block on the side support plate divides the side support plate into a first part and a second part, wherein the second part is located outside the photovoltaic panel; The side pressure plate comprises a first pressing portion pressed on the photovoltaic panel, a second pressing portion pressed on the second portion, and a connecting portion connecting the first pressing portion and the second pressing portion together, wherein the connecting portion is arranged horizontally, and the connecting portion and the second portion are fixedly connected together with a second locking plate in the second purlin by bolts.

4. The photovoltaic support system for prefabricated roof according to claim 1, characterized in that: The lower part of each lower column is fixedly connected to the cross beam through one or two diagonal braces.

Images