Photovoltaic installation assembly and system for flat-to-sloping roof of multi-story building

Abstract

The utility model provides a photovoltaic installation assembly used for a flat-to-slope roof of a multi-story building, comprising a photovoltaic support, the photovoltaic support comprises a fixed part, an extension part, an installation part, a first connecting body and a second connecting body, the fixed part, the extension part and the installation part are arranged in parallel at intervals; one end of the extension part is connected with one end of the fixing part through a first connecting body, the other end of the extension part is connected with one end of the mounting part through a second connecting body, and the other end of the mounting part is close to the direction of the fixing part; a support purline is arranged on the side, away from the extending part, of the mounting part, and the top of the support purline is fixedly connected with the mounting part.

Description

Technical Field

[0001] The utility model relates to the field of photovoltaics-buildings, and in particular to a photovoltaic installation component and system for converting flat roofs of multi-story buildings to sloping roofs. Background Art

[0002] With the development of the global economy, new energy power generation technology has been rapidly developed and applied. Solar energy has become one of the most promising renewable energy sources with its rich resources, wide distribution, cleanliness and renewability. Photovoltaic power generation projects are increasing day by day. Many solar power generation projects often use roof space for reasonable photovoltaic panel laying. The solar support system is an indispensable part of the photovoltaic industry and plays a very important role. However, because the photovoltaic system is installed on the roof, the connection between the photovoltaic bracket and the roof is easy to damage the roof waterproof layer, which is easy to cause hidden dangers of roof leakage, making residents doubt the installation of distributed photovoltaic power generation systems on the roofs of residential buildings, affecting its promotion and development. Therefore, a new photovoltaic bracket is needed to solve the problem of affecting roof waterproofing. Utility Model Content

[0003] The utility model aims to solve the problem that the existing photovoltaic brackets are prone to cause roof leakage.

[0004] In a first aspect, the utility model provides a photovoltaic installation assembly for converting a flat roof to a pitched roof of a multi-story building, comprising a photovoltaic bracket, the photovoltaic bracket comprising a fixing portion, an extension portion, a mounting portion, a first connector and a second connector, the fixing portion, the extension portion and the mounting portion being arranged parallel to each other and spaced apart;

[0005] One end of the extension portion is connected to one end of the fixing portion through a first connector, and the other end is connected to one end of the mounting portion through a second connector, and the other end of the mounting portion is in a direction close to the fixing portion;

[0006] A support purlin is provided on one side of the mounting portion away from the extending portion, and a top of the support purlin is fixedly connected to the mounting portion.

[0007] Furthermore, the height of the first connector is less than or equal to 15 mm.

[0008] Furthermore, the height of the second connector is 60 mm-80 mm.

[0009] Furthermore, the support purlin is fixedly connected to the mounting portion via a first fixing piece, and a plugging hole for the first fixing piece to penetrate and plug into is provided at the top of the support purlin.

[0010] In the second aspect, the utility model provides a photovoltaic installation system for converting flat roofs to sloping roofs of multi-story buildings, which adopts a photovoltaic installation component as described in any of the above items, including at least four photovoltaic installation components and at least one photovoltaic panel, the four photovoltaic installation components are respectively placed on opposite sides of the photovoltaic panel and fixed by the first fixing member and the pressing block, and the fixing part is fixed to the wooden board by the second fixing member.

[0011] Furthermore, a first square wood and a first angle steel are provided below the wooden lookout board corresponding to the fixing portion, the first angle steel semi-surrounds the first square wood and is clamped with the first square wood; the second fixing piece passes through the fixing piece, the wooden lookout board, the first square wood and is connected to the first angle steel.

[0012] Furthermore, it also includes a plurality of asphalt shingles, which are laid on the surface of the wooden board, and the first asphalt shingle and the second asphalt shingle are stacked on each other near at least a portion of the structure of the photovoltaic support.

[0013] Furthermore, the tail end of the first asphalt shingle is placed on the upper surface of the extension portion, and the head end of the second asphalt shingle is placed on the lower surface of the extension portion.

[0014] Furthermore, it also includes a plurality of second square timbers and second angle steels, wherein the second square timbers and second angle steels are placed below the wooden lookout board, and the second angle steels half-surround the second square timbers and are clamped with the second square timbers.

[0015] Furthermore, the first surface of the first angle steel and the first surface of the second angle steel are welded to the steel frame beam, and the second surface of the first angle steel and the second surface of the second angle steel are fitted together.

[0016] Compared with the prior art, the utility model has at least the following beneficial effects: by setting up photovoltaic brackets and steel purlins supporting photovoltaic panels, the load-bearing and wind-resistant stress problems of the photovoltaic system are solved. At the same time, the size and structure of the existing roof photovoltaic mounting bracket are changed, which is convenient for the installation of flat-to-slope roofs while solving the problem of smooth laying of asphalt shingle roofs. By cross-lapping the upper and lower layers of waterproof membranes and asphalt shingles at the photovoltaic bracket, the waterproof and leak-proof problems that may be caused by the bracket installation are solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0018] Figure 1It is a schematic diagram of the photovoltaic installation assembly in the utility model;

[0019] Figure 2 This is an overall schematic diagram of the photovoltaic panel of the utility model after installation;

[0020] Figure 3 This is a detailed diagram of the photovoltaic panel of the utility model after installation;

[0021] Figure 4 This is a schematic diagram of the photovoltaic system for converting flat roofs to sloped roofs according to the utility model.

[0022] In the figure, 1-steel frame beam; 2-first angle steel; 3-second angle steel; 4-second square wood; 5-first square wood; 6-second fixing piece; 7-first fixing piece; 8-photovoltaic bracket; 81-fixing part; 82-extension part; 83-installation part; 84-first connector; 85-second connector; 9-bracket purlin; 10-asphalt shingle; 11-pressing block; 12-photovoltaic panel; 13-wooden lookout board; 100-photovoltaic installation assembly. DETAILED DESCRIPTION

[0023] The following will be described in more detail with reference to the schematic diagram of a photovoltaic installation assembly and system for converting a flat roof of a multi-story building to a pitched roof, wherein the preferred embodiment of the utility model is shown, and it should be understood that those skilled in the art can modify the utility model described herein, while still achieving the beneficial effects of the utility model. Therefore, the following description should be understood as being widely known to those skilled in the art, and not as a limitation to the utility model.

[0024] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0025] The present invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become more apparent from the following description. It should be noted that the accompanying drawings are in very simplified form and in non-precise proportions, and are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present invention.

[0026] In the first aspect, the utility model provides a photovoltaic installation assembly for converting a flat roof to a pitched roof of a multi-story building, comprising a photovoltaic bracket 8, wherein the photovoltaic bracket 8 comprises a fixing portion 81, an extension portion 82, a mounting portion 83, a first connecting body 84 and a second connecting body 85, wherein the fixing portion 81, the extension portion 82 and the mounting portion 83 are arranged parallel to each other and spaced apart;

[0027] One end of the extension portion 82 is connected to one end of the fixing portion 81 through a first connector 84, and the other end is connected to one end of the mounting portion 83 through a second connector 85. The other end of the mounting portion 83 is in a direction close to the fixing portion 81.

[0028] A support purlin 9 is provided on a side of the mounting portion 83 away from the extending portion 82 , and a top of the support purlin 9 is fixedly connected to the mounting portion 83 .

[0029] For details, please refer to Figure 1 , is a schematic diagram of a photovoltaic mounting assembly provided by an embodiment of the utility model. The photovoltaic mounting assembly includes a photovoltaic bracket 8 and a bracket purlin 9 connected to the photovoltaic bracket. In this embodiment, the photovoltaic bracket is hook-shaped and includes a fixing portion 81, an extension portion 82, a mounting portion 83, a first connector 84 and a second connector 85. Figure 1 It can be seen that one end of the fixing portion 81 is connected to the extension portion 82 via the first connector 84, and the extension portion 82 is further connected to the mounting portion 83 via the second connector 85. The mounting portion 83 extends in a direction close to the fixing portion 81.

[0030] A support purlin 9 is fixedly arranged on the outer surface of the mounting portion 83, i.e., on the side away from the extension portion 82, and the support purlin 9 is used to fix the photovoltaic panel 12 to be installed. The top, i.e., the upper surface, of the support purlin 9 is attached to and fixedly connected with the mounting portion 83 of the photovoltaic bracket 8.

[0031] Furthermore, the height of the first connector 84 is less than or equal to 15 mm.

[0032] Furthermore, the height of the second connector 85 is 60 mm-80 mm.

[0033] Specifically, in actual use, the size of the photovoltaic bracket for the tile-hanging sloping roof is at least 50 mm higher than the roof. This height is not convenient for laying waterproof membranes and asphalt tiles and covering the bracket mounting bolts, which is easy to cause roof leakage. Therefore, by reducing the height of the photovoltaic bracket protruding from the roof panel, the height of the first connector 84 is set to be less than or equal to 15 mm.

[0034] In this embodiment, the height of the first connector 84 is selected to be 15 mm, and the height of the second connector is selected to be 60 mm, so as to achieve a better waterproof effect.

[0035] Furthermore, the support purlin 9 is fixedly connected to the mounting portion 83 via a first fixing member 7 , and the first fixing member 7 passes through the support purlin 9 and the fixing portion 83 .

[0036] Specifically, the first fixing member 7 passes through the top of the bracket purlin 9 and is connected to the fixing portion 83 .

[0037] In the second aspect, the utility model provides a photovoltaic installation system for converting flat roofs to sloping roofs of multi-story buildings, which adopts a photovoltaic installation component as described in any of the above items, including at least four photovoltaic installation components 100 and at least one photovoltaic panel 12, and the four photovoltaic installation components 100 are respectively placed on opposite sides of the photovoltaic panel and fixed by the first fixing member 7 and the pressing block 11, and the fixing part 81 is fixed to the wooden board 13 by the second fixing member 6.

[0038] For details, please refer to Figure 2 , is a schematic diagram of a photovoltaic panel after installation in one embodiment. The fixing portion 81 is connected to the wooden lookout board 13 through the second fixing member 6. In this embodiment, the second fixing member 6 can be a bolt or other fixing member, and this embodiment does not limit it. The photovoltaic panel 12 is set on the inclined roof through the photovoltaic mounting assembly 100, and the photovoltaic mounting assemblies are respectively placed on opposite sides of the photovoltaic panel. In this embodiment, the position of the photovoltaic panel 12 on the bracket purlin 9 is adjusted, all the pressing blocks 11 are fixed, and the end of the first fixing member 7 away from the mounting portion 83 passes through the pressing block 11 and locks the position of the photovoltaic panel 12 at the same time.

[0039] The photovoltaic bracket 8 is fixed to the first angle steel 2 by bolts passing through the wooden lookout board 13. The first angle steel 2 can be welded to the roof steel frame beam 1 to improve the integrity of the flat-to-slope roof steel purlin system. The position and spacing of the photovoltaic bracket 8 and the first angle steel 2 can also be adjusted according to the specific installation position of the photovoltaic panel 12, but generally the spacing of the first angle steel 2 is not more than 600mm.

[0040] Furthermore, a first square wood 5 and a first angle steel 2 are provided below the wooden lookout board 13 corresponding to the fixing portion 81, and the first angle steel 2 semi-surrounds the first square wood 5 and is clamped with the first square wood 5; the second fixing piece 6 passes through the fixing portion 81, the wooden lookout board 13, the first square wood 5 and is connected to the first angle steel 2.

[0041] Specifically, a first square wood 5 and a first angle steel 2 are provided below the wooden lookout board 13 below the fixing portion 81. In the present embodiment, the first angle steel 2 is L-shaped, and its two sides are attached to the first square wood 5. In the actual assembly process, the first square wood 5 and the first angle steel 2 are generally first clamped and then put into subsequent installation. The second fixing member 6 penetrates the wooden lookout board 13 and the first square wood 5 and is connected to the first angle steel 2. The first square wood 5 and the first angle steel 2 are used to fix the photovoltaic bracket 8.

[0042] Furthermore, it also includes a plurality of asphalt shingles 10, which are laid on the surface of the wooden board 13, and at least part of the structure of the first asphalt shingle 10 and the second asphalt shingle 10 close to the photovoltaic support 8 are stacked on each other.

[0043] Furthermore, the rear end of the first asphalt shingle 10 is placed on the upper surface of the extension portion 82 , and the front end of the second asphalt shingle 10 is placed on the lower surface of the extension portion 82 .

[0044] For details, please refer to Figure 1 The asphalt shingles are defined as front and rear asphalt shingles along the extension direction of the roof. The rear end of the front asphalt shingle 10 extends toward the second connector 85 and is placed above the extension 82; the front end of the rear asphalt shingle 10 is close to the first connector 84 and extends along the inclination direction of the roof, and is placed below the extension 82, so that the upper and lower layers of the asphalt shingles are cross-jointed.

[0045] In this embodiment, the overlap length of the front and rear asphalt shingles is not less than 100 mm, and waterproof membrane can be added on the surface of the asphalt shingles. If the waterproof membrane and asphalt shingles under the bracket cannot fill the pores, strip-type waterproof membrane can be added to fill the pores to achieve better waterproof effect.

[0046] Furthermore, it also includes a plurality of second square timbers 4 and second angle steels 3 , wherein the second square timbers 4 and second angle steels 3 are placed below the wooden lookout board 13 , and the second angle steels 3 half surround the second square timbers 4 and are clamped with the second square timbers 4 .

[0047] For details, please continue to refer to Figure 2 The second square wood 4 and the second angle steel 3 are symmetrically arranged.

[0048] Furthermore, the first surface of the first angle steel 2 and the first surface of the second angle steel 3 are welded to the steel frame beam 1 , and the second surface of the first angle steel 2 and the second surface of the second angle steel 3 are bonded together.

[0049] For details, please refer to Figure 1 The first surface is the surface in contact with the steel frame beam 1, and the second surface is the surface in contact with the first angle steel 2 and the second angle steel 3. The first angle steel 2 and the second angle steel 3 are welded to the steel frame beam 1, and the first angle steel 2 and the second angle steel 3 can also be welded and fixed.

[0050] Please refer to Figure 3 A second angle steel 3 and a second square wood 4 may also be arranged below the wooden lookout board 13 corresponding to the middle of the photovoltaic panel 12 , and their function is to support the wooden lookout board 13 .

[0051] In summary, in the present invention, the size of the existing photovoltaic fixing bracket for installing the tile-hanging sloping roof is adjusted and improved, and the improved photovoltaic installation assembly is used to install the rooftop distributed photovoltaic power generation system on the installation assembly, so as to realize the effective utilization of the multi-story building flat-to-sloping roof. The square wood can ensure that the photovoltaic system has sufficient rigidity and stability after installation.

[0052] The above specific examples are used to illustrate the present invention, which are only used to help understand the present invention and are not intended to limit the present invention. For those skilled in the art of the present invention, some simple deductions, deformations or substitutions can be made based on the idea of ​​the present invention.

Claims

1. A photovoltaic installation assembly for converting a flat roof to a pitched roof in a multi-storey building, characterized in that: A photovoltaic bracket is provided, wherein the photovoltaic bracket comprises a fixing portion, an extending portion, a mounting portion, a first connector and a second connector, wherein the fixing portion, the extending portion and the mounting portion are arranged parallel to each other and spaced apart; One end of the extension portion is connected to one end of the fixing portion through a first connector, and the other end is connected to one end of the mounting portion through a second connector, and the other end of the mounting portion is in a direction close to the fixing portion; A support purlin is provided on one side of the mounting portion away from the extending portion, and a top of the support purlin is fixedly connected to the mounting portion.

2. The photovoltaic installation assembly for converting a flat roof to a pitched roof of a multi-storey building as claimed in claim 1, characterized in that: The height of the first connector is less than or equal to 15 mm.

3. The photovoltaic installation assembly for converting a flat roof to a pitched roof of a multi-storey building according to claim 1, characterized in that: The height of the second connector is 60 mm-80 mm.

4. The photovoltaic installation assembly for converting a flat roof to a pitched roof of a multi-storey building according to claim 1, characterized in that: The support purlin is fixedly connected to the mounting portion via a first fixing member, and the first fixing member passes through the support purlin and the fixing portion.

5. A photovoltaic installation system for converting a flat roof to a pitched roof in a multi-storey building, using the photovoltaic installation assembly as described in any one of claims 1 to 4, characterized in that: It comprises at least four photovoltaic installation components and at least one photovoltaic panel, wherein the four photovoltaic installation components are respectively placed on opposite sides of the photovoltaic panel and fixed by the first fixing member and the pressing block, and the fixing part is fixed on the wooden board by the second fixing member.

6. The photovoltaic installation system for converting flat roofs to pitched roofs of multi-storey buildings as claimed in claim 5, characterized in that: A first square wood and a first angle steel are provided below the wooden lookout board corresponding to the fixing portion, the first angle steel half surrounds the first square wood and is clamped with the first square wood; the second fixing piece passes through the fixing piece, the wooden lookout board, the first square wood and is connected to the first angle steel.

7. The photovoltaic installation system for converting flat roofs to pitched roofs of multi-storey buildings as claimed in claim 5, characterized in that: It also includes a plurality of asphalt shingles, which are laid on the surface of the wooden board, and the first asphalt shingle and the second asphalt shingle are stacked on each other near at least a portion of the structure of the photovoltaic support.

8. The photovoltaic installation system for converting flat roofs to pitched roofs of multi-storey buildings as claimed in claim 7, characterized in that: The tail end of the first asphalt shingle is placed on the upper surface of the extension portion, and the head end of the second asphalt shingle is placed on the lower surface of the extension portion.

9. The photovoltaic installation system for converting flat roofs to pitched roofs of multi-storey buildings as claimed in claim 8, characterized in that: The waterproof material is filled between the asphalt shingles and the wooden shingles.

10. The photovoltaic installation system for converting flat roofs to pitched roofs of multi-storey buildings as claimed in claim 5, characterized in that: It also includes a plurality of second square timbers and second angle steels, wherein the second square timbers and second angle steels are placed below the wooden lookout board, and the second angle steels half-surround the second square timbers and are clamped with the second square timbers.

11. The photovoltaic installation system for converting flat roofs to pitched roofs of multi-storey buildings as claimed in claim 10, characterized in that: The first surface of the first angle steel and the first surface of the second angle steel are welded to the steel frame beam, and the second surface of the first angle steel and the second surface of the second angle steel are fitted together.

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