CN217545945U - Photovoltaic installation system - Google Patents
Photovoltaic installation system Download PDFInfo
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- CN217545945U CN217545945U CN202123289680.8U CN202123289680U CN217545945U CN 217545945 U CN217545945 U CN 217545945U CN 202123289680 U CN202123289680 U CN 202123289680U CN 217545945 U CN217545945 U CN 217545945U
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Abstract
The utility model relates to a photovoltaic module's bearing structure technical field, concretely relates to photovoltaic installing the system. The photovoltaic installation system is installed on the surface of a building, and a plurality of supporting pieces in the photovoltaic installation system are connected with the surface of the building; the photovoltaic module is connected with the end part of the support piece far away from the surface of the building; the supporting member is a polystyrene foam material piece. The support piece is a polystyrene foam material piece, and the polystyrene foam material piece has the advantages of being fast to manufacture, convenient to install, economical, long in durability and the like. Moreover, polystyrene foam spare still has the advantage of light for photovoltaic mounting system's permanent load is less relatively, and photovoltaic mounting system in this application embodiment can be installed at the unable circumstances that clearly specifies the load requirement to older flat roof, and can not cause the circumstances that leads to flat roof to collapse because of flat roof load is not enough after the installation photovoltaic mounting system.
Description
Technical Field
The utility model relates to a photovoltaic module's bearing structure technical field, concretely relates to photovoltaic installing the system.
Background
A photovoltaic module generally refers to a solar cell module for generating electricity using solar energy. The general photovoltaic module comprises a solar cell, a back panel, photovoltaic glass, a junction box, a frame and an encapsulating material, wherein the encapsulating material is used as an encapsulating piece for protecting the photovoltaic module, so that the service life of the photovoltaic module can be prolonged. The photovoltaic module is installed in a wide range of positions, such as on water and on buildings.
When the photovoltaic module is installed on the flat roof, the flat roof photovoltaic installation system comprises a photovoltaic pressing block, the photovoltaic module, a photovoltaic support and a cement pier, the photovoltaic pressing block, the photovoltaic module, the photovoltaic support and the cement pier are permanent loads of the flat roof, movable loads of the flat roof comprise wind loads, snow loads and dust accumulation loads, and the requirements for the permanent loads and the movable loads are simultaneously met when the photovoltaic module is installed on the flat roof. In the prior art, due to the fact that permanent load is large, the situation that an old flat roof cannot be provided with a photovoltaic installation system under the condition that load requirements cannot be clearly determined, or the situation that the flat roof collapses due to insufficient load of the flat roof after the photovoltaic installation system is installed exists.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a photovoltaic mounting system solves or partially solves the great problem of flat roof photovoltaic mounting system permanent load among the prior art.
In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:
a photovoltaic mounting system for mounting to a building surface, the photovoltaic mounting system comprising, a plurality of support members each connected to the building surface;
a photovoltaic module connected to an end of the support remote from the building surface;
the supporting piece is a polystyrene foam material piece.
Optionally, the plurality of supporting members are arranged in at least one row, the direction of the row is perpendicular to the length direction of the supporting members, the heights of the supporting members in any row decrease progressively in sequence, and after one photovoltaic module is connected with the supporting members in any row, the photovoltaic module has an inclination angle.
Optionally, the end of the support member far from the building surface is formed with a first slope surface, the first slope surface is connected with the photovoltaic module, and the inclination angle of the first slope surface is the same as the inclination angle of the photovoltaic module.
Optionally, the support member is formed with a second sloping surface, the support member being connected to the building surface via the second sloping surface.
Optionally, the cross section of the supporting member is an isosceles trapezoid, and two waists of the isosceles trapezoid are the first slope surface and the second slope surface respectively.
Optionally, one photovoltaic module is connected with the supporting member in any one row to form a group, and the photovoltaic installation system is provided with at least one group;
when the photovoltaic installation system has a plurality of groups, the plurality of groups are arranged in an array.
Optionally, the photovoltaic module includes a package, and the package is a fluorine-containing polymer material.
Optionally, the support is glued to the photovoltaic module.
Optionally, the brace is bonded to the building surface by a polymer mortar.
Optionally, the building surface is an exterior surface of a flat roof.
The utility model discloses a photovoltaic installing the system, support piece are polystyrene foam spare, and polystyrene foam spare has and does not receive the temperature variation to influence, and cold-resistant, heat-resisting, do not receive the influence of moist weather and acid rain, can prevent fires and can not send the noxious material again, can adopt preparation such as computer numerical control cutting, have advantages such as preparation is swift, simple to operate, economy, durability are long. Moreover, polystyrene foam spare still has the advantage of lightweight for photovoltaic mounting system's permanent load is less relatively, and the photovoltaic mounting system in this application embodiment can be installed in the unable circumstances of deciding the load requirement to older flat roof, and can not cause the circumstances that leads to the flat roof to collapse because of the flat roof load is not enough after the installation photovoltaic mounting system.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the contents of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following description will particularly refer to specific embodiments of the present invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following descriptions are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of a perspective view of a photovoltaic installation system according to the present invention;
fig. 2 is a schematic structural diagram of a left side view of the photovoltaic installation system according to the present invention;
fig. 3 is a schematic structural view of a perspective view of the supporting member according to the present invention;
description of reference numerals:
1-a support; 11-a first slope surface; 12-second slope;
and 2-a photovoltaic module.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 and 2, an embodiment of the present application discloses a photovoltaic installation system, which is installed on a building surface, and comprises a photovoltaic module 13 and a plurality of supporting members 1, wherein the supporting members 1 are connected with the building surface; a photovoltaic module 13 is connected to the end of the support 1 remote from the building surface; the support member 1 is a polystyrene foam member.
Specifically, a building is generally a house having a foundation, walls, a roof, doors, and windows, and is a space where people live, work, study, entertainment, store articles, and perform other activities.
The photovoltaic module 13 refers to a solar cell module for generating electricity using solar energy. The photovoltaic module 13 is generally a plate-shaped structure, and includes a solar cell, a back sheet, a photovoltaic glass, a junction box, a frame, and an encapsulating material. The photovoltaic module 13 is mounted to the building surface by means of a support 1, the support 1 being used to support and mount the photovoltaic module 13.
The polystyrene foam material part is a white object which is formed by heating expandable polystyrene beads containing volatile liquid foaming agent in a mould after heating and pre-foaming, and has the structural characteristic of fine closed pores. The dovetail groove can be made into various shapes, such as straight plates, angles, arcs, special shapes and the like, and can be made into various specifications, the periphery of the dovetail groove is provided with a trapezoidal inserting tongue-and-groove, an outer slope combination, and dovetail grooves uniformly distributed on the inner surface and the outer surface of the dovetail groove. The heat-insulating composite board is mainly used for building walls, roof heat insulation, composite board heat insulation, heat insulation of cold storages, air conditioners, vehicles and ships, floor heating, decoration carving and the like, and has very wide application.
Photovoltaic installing the system in the embodiment of this application, support piece 1 are polystyrene foam spare, and polystyrene foam spare has not influenced by the temperature variation, and is cold-resistant, heat-resisting, do not receive the influence of moist weather and acid rain, can prevent fires can not send the noxious material again, can adopt preparation such as computer numerical control cutting, has advantages such as preparation is swift, simple to operate, economy, durability are long. Moreover, polystyrene foam spare still has the advantage of lightweight for photovoltaic mounting system's permanent load is less relatively, and the photovoltaic mounting system in this application embodiment can be installed in the unable circumstances of deciding the load requirement to older flat roof, and can not cause the circumstances that leads to the flat roof to collapse because of the flat roof load is not enough after the installation photovoltaic mounting system.
As shown in fig. 1 and 2, in an embodiment, a plurality of the supporting members 1 are arranged in at least one row, the direction of the row is perpendicular to the length direction of the supporting members 1, the heights of the supporting members 1 in any one row are sequentially decreased, and after a photovoltaic module 13 is connected to the supporting members 1 in any one row, the photovoltaic module 13 has an inclination angle.
The support member 1 has a longitudinal direction as indicated by an arrow in fig. 1. As shown in fig. 2, each row includes three supporting members 1, the heights of the three supporting members 1 decrease in sequence, and after a photovoltaic module 13 is connected to the three supporting members 1 in any row, the photovoltaic module 13 has an inclination angle. Photovoltaic module 13 has inclination to the cooperation illumination angle improves the solar energy utilization ratio.
It can be understood that the illumination angles of different regions are different, so that the inclination angles of the photovoltaic modules 13 of different regions are different, and the sequentially decreasing amplitudes of the heights of the supporting members 1 in any one row are also different.
It can be understood that, in practical applications, in order to meet different connection and support requirements, the number of the support members 1 in any one column may be adjusted accordingly, for example, four support members 1 are provided in any one column, which is not limited by the embodiment of the present invention.
As shown in fig. 1 to 3, in an embodiment, an end of the supporting member 1 away from the building surface is formed with a first slope surface 11, the first slope surface 11 is connected to the photovoltaic module 13, and an inclination angle of the first slope surface 11 is the same as an inclination angle of the photovoltaic module 13.
First domatic 11 is connected with photovoltaic module 13, and the inclination of first domatic 11 is the same with photovoltaic module 13's inclination, and first domatic 11 is connected for face and face with photovoltaic module 13, and the connection area is big and connect stably.
As shown in fig. 1 to 3, in an embodiment, the supporting member 1 is formed with a second slope surface 12, and the supporting member 1 is connected with the building surface through the second slope surface 12.
As shown in fig. 1 to 3, in an embodiment, the cross section of the supporting member 1 is an isosceles trapezoid, and two legs of the isosceles trapezoid are a first slope surface 11 and a second slope surface 12.
In one embodiment, one of the photovoltaic modules 13 is connected to the support member 1 in any one of the rows to form a group, and the photovoltaic mounting system has at least one group; when the photovoltaic installation system has a plurality of groups, the plurality of groups are arranged in an array.
As shown in fig. 2, which is a schematic structural view of a photovoltaic installation system with a group, the photovoltaic installation system includes three support members 1 and a photovoltaic module 13.
As shown in fig. 1, the photovoltaic installation system is a schematic structural diagram of a perspective view when the photovoltaic installation system has four groups, wherein the four groups are arranged in a row, and each group comprises three supporting members 1 and a photovoltaic module 13.
It will be appreciated that, in practical applications, in order to achieve different output voltages and to match the installation capability of the building surface, the number and arrangement of the groups in the photovoltaic installation system may be adjusted accordingly, for example, when there are four groups, the four groups are arranged in a 2 × 2 array, and the number and arrangement of the groups in the photovoltaic installation system are not limited thereto by the embodiments of the present invention.
In one embodiment, the photovoltaic module 13 includes a package, and the package is a fluorine-containing polymer material.
The encapsulation member is used for protecting the photovoltaic module 13, and can prolong the service life of the photovoltaic module 13. When the packaging part is a fluorine-containing high polymer material part, the packaging part has the characteristic of light weight, the weight of the photovoltaic module 13 can be reduced, and the permanent load can be reduced.
In one embodiment, the support member 1 is glued to the photovoltaic module 13.
The adhesive bonding is a process method for connecting two adhesive bonding pieces by utilizing mechanical bonding force, physical adsorption force and chemical bonding force generated by an adhesive on a connecting surface. The adhesive joint is not only suitable for the same material, but also suitable for different materials. The cementing process is simple and convenient, complex process equipment is not needed, and the cementing operation is not needed to be carried out at high temperature and high pressure, so that the cementing part is not easy to deform, and the stress distribution of the joint is uniform. In general, a glue joint has good sealability, electrical insulation and corrosion resistance. The gluing is suitable for connecting the support member 1 with the photovoltaic module 13, and meets the use requirement of a photovoltaic installation system.
In one embodiment, the support member 1 is bonded to the building surface by a polymer mortar.
The polymer mortar is formed by stirring a gelled material and an organic polymer which can be dispersed in water. Wherein the cementing material is cement, gypsum and the like; the polymer is in the disperse latex powder class, acrylate, polyvinyl alcohol, styrene-acrylate, etc., and the polymer can be a homopolymer polymerized by a monomer or a copolymer polymerized by two or more monomers. The polymer must form a film under ambient conditions to coat the cement particles and to form a strong bond between the cement body and the aggregate. The polymer mortar has good waterproof and anti-permeability effects and high bonding strength, and can be integrated with a structure; the corrosion resistance is strong; high humidity resistance, aging resistance and freezing resistance are good; and the product is water-based and nontoxic, meets the environmental protection requirement, and meets the use requirement of a photovoltaic installation system.
In one embodiment, the building surface is an exterior surface of a flat roof. I.e. the photovoltaic mounting system is mounted to the outer surface of the flat roof.
The flat roof photovoltaic installation system in the prior art comprises a photovoltaic pressing block, a photovoltaic module 13, a photovoltaic bracket and a cement pier, wherein the total load comprises a permanent load and a movable load, and in practical application, the distribution example of the total load is as follows:
permanent load:
the photovoltaic module 13: gp =0.13kn/m 2 ；
Photovoltaic support and briquetting system: gz1=0.05kn/m 2 ；
Photovoltaic cement pier: gz 2=0.42kn/m 2 ；
The permanent load is: 0.60kn/m 2 。
The movable load is as follows:
wind load (height from ground 20m, class d region): 0.39kn/m 2 ；
Snow load (50 years snow pressure in the middle of flying): 0.35kn/m 2 ；
The movable load is as follows: 0.83kn/m 2 。
Considering the most severe case, the sum of the loads is: 1.43kn/m 2 。
The total load of the photovoltaic installation system in the embodiment of the present application also includes a permanent load and a movable load, the permanent load includes the photovoltaic module 13 and the support member, and the distribution of the total load is exemplified as follows:
permanent load:
the photovoltaic module 13: gp =0.04kn/m 2 ；
Support 1: gz1=0.04kn/m 2 ；
The permanent load is: 0.08kn/m 2 。
The movable load is as follows:
wind load (height from ground 20m, class d area): 0.39kn/m 2 ；
Snow pressure load (snow pressure 50 years raised): 0.35kn/m 2 ；
The movable load is as follows: 0.83kn/m 2 。
Considering the most severe case, the sum of the loads is: 0.91kn/m 2 。
In the prior art, the total load of the flat roof photovoltaic installation system can reach 1.43kn/m 2 According to the building structure load specification (GB 50009-2012), the flat roof load is required to be 2kn/m 2 The new flat roof is designed according to the load requirement to meet the installation requirement, but the old flat roof cannot be installed under the condition that the load requirement cannot be clearly determined or the condition that the flat roof collapses due to insufficient load of the flat roof is easily caused after the installation. Photovoltaic installing the system in this application embodiment adopts polystyrene foam material spare and fluorine-containing macromolecular material spare for the load sum is: 0.91kn/m 2 0.52kn/m lower than the prior art 2 And the amplitude reduction is 36.4%, so that the load requirement of installing a photovoltaic installation system is met no matter whether the flat roof is new or old and is far lower than the design load of the flat roof, and the carbon neutralization and carbon standard reaching are achieved.
In one embodiment, the photovoltaic installation system is installed on the outer surface of the flat roof by the following construction steps:
1. relevant dimensions are measured on site, the outer surface of the flat roof is cleaned, and a positioning line (a center line or a side line) is popped up at the position where the supporting piece 1 is to be installed according to construction drawings.
2. Preparing mortar:
and (4) preparing polymer mortar. When in construction, a hand-held electric stirrer is used for stirring, and the stirring is sufficient and uniform and has moderate consistency. After the polymer mortar is prepared, the mixture is allowed to stand for a set time, for example, five minutes, and is stirred again before use, and the prepared polymer mortar is used up within a set time, for example, within two hours.
3. Line pasting:
the supporting piece 1 is bonded with the outer surface of the flat roof through polymer mortar, in actual operation, the supporting piece 1 of a small line is usually bonded by a full-adhesion method, the supporting piece 1 of a large line is bonded by a point-and-circle combination method, the supporting piece 1 is forcibly extruded to be completely attached to the outer surface of the flat roof, the plumpness is not less than 80%, and the bonding seam width is not more than 3mm. The bonding seam is adhered with the hook, the mortar seam is full, and the cleanness of the outer surface of the support member 1 is kept. Wherein, the support 1 of the small-scale line and the support 1 of the large-scale line are judged in the actual operation.
4. And (3) seam treatment:
the supporting pieces 1 are formed by splicing fixed-length finished products on site, and if the non-fixed-length supporting pieces 1 need to be spliced, the sizes are measured and then the supporting pieces are pasted in place. The splicing method of the support member 1 is operated according to the splicing requirement of the support member 1, the splicing requirement is the prior art, and the embodiment of the application is not repeated.
5. Glued photovoltaic module 13:
the photovoltaic module 13 is glued to the support 1.
And after the photovoltaic module 13 is glued with the support piece 1, the photovoltaic installation system is completed.
The flow direction of the electricity in the photovoltaic module 13 is designed to be: the photovoltaic module matrix → the inverter → the alternating current distribution box → the household electric meter (bidirectional electric meter) → the surplus power upper national power grid.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (10)
1. A photovoltaic mounting system for mounting to a building surface, the photovoltaic mounting system comprising,
a plurality of supports (1) each connected to the building surface;
a photovoltaic module (13) connected to the end of the support (1) remote from the building surface;
the supporting piece (1) is a polystyrene foam material piece.
2. The pv mounting system according to claim 1, wherein a plurality of the support members (1) are arranged in at least one row, the row being oriented perpendicular to the length of the support members (1), the height of the support members (1) in any one of the rows being progressively reduced, and wherein the pv modules (13) are inclined at an angle after a pv module (13) is connected to a support member (1) in any one of the rows.
3. The photovoltaic installation system according to claim 2, wherein the end of the support member (1) remote from the building surface is formed with a first ramp (11), the first ramp (11) being connected to the photovoltaic module (13), the first ramp (11) having an angle of inclination which is the same as the angle of inclination of the photovoltaic module (13).
4. Photovoltaic installation system according to claim 3, characterized in that the support (1) is formed with a second sloping surface (12), by means of which second sloping surface (12) the support (1) is connected with the building surface.
5. Photovoltaic installation system according to claim 4, characterized in that the cross section of the support (1) is an isosceles trapezoid, the two legs of which are the first slope (11) and the second slope (12), respectively.
6. The photovoltaic mounting system according to claim 2, wherein one of said photovoltaic modules (13) is connected to one of said supports (1) in any of said rows, said photovoltaic mounting system having at least one group;
when the photovoltaic installation system has a plurality of groups, the plurality of groups are arranged in an array.
7. The photovoltaic mounting system according to claim 1, wherein the photovoltaic module (13) comprises an encapsulation of a fluorine-containing polymer material.
8. The photovoltaic mounting system according to claim 1, characterized in that the support (1) is glued to the photovoltaic module (13).
9. Photovoltaic installation system according to claim 1, characterized in that the support (1) is bonded to the building surface by means of a polymer mortar.
10. The photovoltaic mounting system of claim 1, wherein the building surface is an exterior surface of a flat roof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123289680.8U CN217545945U (en) | 2021-12-22 | 2021-12-22 | Photovoltaic installation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123289680.8U CN217545945U (en) | 2021-12-22 | 2021-12-22 | Photovoltaic installation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217545945U true CN217545945U (en) | 2022-10-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123289680.8U Active CN217545945U (en) | 2021-12-22 | 2021-12-22 | Photovoltaic installation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217545945U (en) |
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2021
- 2021-12-22 CN CN202123289680.8U patent/CN217545945U/en active Active
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Address after: No. 43 Bailing South Road, Quzhou City, Zhejiang Province 324022 Patentee after: Yidao New Energy Technology Co.,Ltd. Address before: No. 43, bailing South Road, Donggang District, green industry cluster district, Quzhou City, Zhejiang Province Patentee before: A New Energy Technology (Quzhou) Co.,Ltd. |
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