CN215106049U

CN215106049U - Flexible shed type stadium building photovoltaic system

Info

Publication number: CN215106049U
Application number: CN202120827531.3U
Authority: CN
Inventors: 王斯伟; 赵庆丽; 周云斌; 朱宾勤; 张德利; 朱向东; 范守元; 白宝华; 蔡闻; 梁戈; 唐啟仁; 林荣卓; 孙洪稳; 孙再斌; 钟常鸣; 李红琼; 欧世坤; 马庆业; 倪亮; 张纹惠
Original assignee: China Energy Construction Group Yunnan Electric Power Design Institute Co ltd
Current assignee: China Energy Construction Group Yunnan Electric Power Design Institute Co ltd
Priority date: 2021-04-22
Filing date: 2021-04-22
Publication date: 2021-12-10
Anticipated expiration: 2031-04-22

Abstract

A flexible shed-type stadium building photovoltaic system, comprising: steel truss arched support, prestressed steel strands, support foundation, anti-pull foundation, photovoltaic modules, combiner boxes, string inverters, box-type transformers and storage Power station module; there are multiple steel truss arch supports, and the multiple steel truss arch supports are sequentially fixed on the ground of the venue through the support foundation; there are multiple groups of prestressed steel strands on the upper part of the steel truss arch supports , and the prestressed steel strands are set across the arched support of the steel truss; both ends of the prestressed steel strands are anchored to the ground of the venue through a pull-resistant foundation; the photovoltaic modules are sequentially fixed to the prestressed by U-shaped clamps Steel strands; combiner boxes and string inverters are fixed on prestressed steel strands within the arched support of steel trusses. The utility model utilizes solar energy to generate electricity, ensures the stable power supply of the power consumption units of the venue, and achieves the comprehensive effect of building energy conservation and consumption reduction and power generation.

Description

Flexible shed type stadium building photovoltaic system

Technical Field

The utility model belongs to the technical field of the photovoltaic building, especially to the photovoltaic building energy-saving technology under the application background such as large-scale stadiums, exhibition hall, specifically a flexible shed formula stadiums class building photovoltaic system.

Background

Land resources of the ground photovoltaic power station are increasingly tense, so that the photovoltaic power station prospect can be built on roofs and wall surfaces of buildings such as large-scale stadiums, exhibition halls and shopping malls. Building photovoltaic power plants can be divided into two types, BIPV and BAPV. The BIPV mainly adopts photovoltaic modules or photovoltaic glass as a roof and a wall structure of a building, and the building enclosure body is a photovoltaic power generation unit; BAPV adheres to and builds photovoltaic supporting structure and subassembly power generation unit at traditional building, and power generation unit and support envelope are independent. Both types of plants require the use of corresponding fixing and support structures. Generally, a concrete block or an expansion bolt structure is generally adopted for fixing the photovoltaic module bracket on the reinforced concrete structure roof, and a metal clamp is generally adopted for fixing the photovoltaic module on the steel structure roof. The BIPV building photovoltaic utilization rule uses photovoltaic components or photovoltaic glass to form an enclosure structure, combines a supporting unit and a power generation unit into a whole, reduces load, and is suitable for photovoltaic construction of large-span stadium buildings.

Disclosure of Invention

The utility model discloses the purpose is overcome and is combined the not enough of building class building common construction BIPV photovoltaic power plant technique such as large-scale stadiums, exhibition hall, provides a flexible canopy formula stadiums class building photovoltaic system. The flexible steel strand supporting structure is arranged, the cross brace is supported in a plurality of steel truss arches, the steel strands fix the photovoltaic module through the clamp, and the lower portion of the steel strand is fixed on the ground all around through the pile anchor system. The design principle is clear reasonable, and the simple easy realization of structural style has better security, economic nature and practicality.

The purpose of the utility model is realized through the following technical scheme.

A flexible shed type stadium building photovoltaic system comprises: the system comprises a steel truss arch support, prestressed steel strands, a support foundation, an anti-pulling foundation, a photovoltaic module, a combiner box, a string type inverter, a box type transformer and an energy storage power station module; wherein,

the steel truss arch supports are arranged in plurality and are sequentially fixed on the ground of the venue through the support foundation; a plurality of groups of prestressed steel strands are arranged at the upper part of the steel truss arch support, and the prestressed steel strands are arranged on the steel truss arch support in a crossing manner to form a transverse support structure system; two ends of the prestressed steel strand are anchored on the ground of the venue through an uplift foundation;

the photovoltaic modules are sequentially fixed on the prestressed steel strand through U-shaped clamps to form a shed enclosure structure of the venue; the combiner box and the group string type inverter are fixed on a prestressed steel strand within the arch-shaped support range of the steel truss; after the electric quantity generated by the photovoltaic module is subjected to confluence and alternating current conversion, the electric quantity is conveyed into box-type transformers arranged on the ground at two sides of the steel truss arch support;

the energy storage power station module is electrically connected with the box type transformer; the energy storage power station module is arranged on the ground of the venue near the steel truss arch support; the energy storage power station module stores the excessive power generation part of the electric quantity in the daytime for supplying the electric quantity at night, and the stable power supply of the power utilization units of venues is ensured.

Preferably, each photovoltaic module is fixed on the prestressed steel strand through two U-shaped clamps; the prestressed steel strand spans the steel truss arch support to form a transverse support structure system.

Preferably, a sealing rubber gasket is arranged between two adjacent photovoltaic modules on the prestress steel strand.

The technical scheme of the utility model beneficial effect who brings as follows:

(1) in the utility model, the steel truss arch support and the prestressed steel strand are used for replacing the traditional grid structure, the prestressed steel strand can fix the load borne by the upper photovoltaic module and simultaneously play a role in transversely stretching and supporting to form the overall rigidity, the radial pressure of the arch structure and the tensile property of the steel strand are fully exerted, and the quantity and the dead weight of structural members are effectively reduced;

(2) in the utility model, the reasonable transverse spacing between the steel truss arched supports is set, which is suitable for the component number of the photovoltaic string units, thereby the junction boxes and the inverters on the steel truss arched supports are connected in two directions, the photovoltaic direct current cable wiring is optimized, the structure form is simple, the stress is clear and reasonable, the installation and the maintenance are convenient, and the utility model has good applicability and application prospect;

(3) the utility model discloses in, dispose the key realization of energy storage power station "the peak clipping fills in millet" effect, balanced photovoltaic power plant is exerted power, ensures the stable power supply of system.

Drawings

Fig. 1 is a three-dimensional schematic view of the present invention;

fig. 2 is a schematic view of the installation of the photovoltaic module in the present invention;

FIG. 3 is a schematic view of the connection between the U-shaped clamp and the prestressed steel strand according to the present invention;

fig. 4 is a schematic diagram of the force system of the main structure of the present invention.

Detailed Description

Embodiments of the present invention will now be described with reference to the accompanying drawings, and those skilled in the art will understand that the following embodiments are merely illustrative of the present invention and should not be considered as limiting the scope of the present invention. The specific techniques, connections, conditions, or the like, which are not specified in the examples, are performed according to the techniques, connections, conditions, or the like described in the literature in the art or according to the product specification. The materials, instruments or equipment are not indicated by manufacturers, and all the materials, instruments or equipment are conventional products which can be obtained by purchasing.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "provided" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. To those of ordinary skill in the art, the specific meaning of the above terms in the present invention is understood according to the specific situation.

The structure of the present invention will be described with reference to the accompanying drawings.

As shown in fig. 1-3, a flexible shed stadium building photovoltaic system includes: the system comprises a steel truss arch support 1, prestressed steel strands 2, a support foundation 3, an anti-pulling foundation 4, a photovoltaic module 5, a combiner box 6, a string type inverter 7, a box type transformer 8 and an energy storage power station module 9; the two ends of the steel truss arch support 1 are hinged and fixed on a support foundation 3, and the steel truss arch support 1 is used for bearing the self weight and the radial pressure load transmitted by the prestressed steel strand 2; the prestressed steel strand 2 is anchored on an anti-pulling foundation 4 on the side surface of the end through tensioning prestress; the prestressed steel strands 2 are rooted at upper spherical nodes of the steel truss arch supports 1, the photovoltaic modules 5 are fixed through U-shaped clamps 10, and each photovoltaic module 5 is fixed on the prestressed steel strands 2 through two U-shaped clamps 10, which are shown in detail in fig. 2 and 3; the combiner box 6 and the string inverter 7 are fixed on the prestressed steel strand 2 within the range of the upper chord of the steel truss arch support 1 through a special fixture; after converging and alternating current converting, the electric quantity sent by the photovoltaic module 5 is transmitted to box-type transformers 8 arranged on the ground at two sides to be boosted and networked; an energy storage power station module 9 is arranged on the power supply side; the energy storage power station module 9 stores the excessive power generation part of the electric quantity in the daytime for supplying the electric quantity at night, and the stable power supply of the power utilization units of venues is ensured.

Furthermore, a sealing rubber gasket is arranged between two adjacent photovoltaic modules 5 on the prestressed steel strand 2, so that the risk of roof water leakage is reduced; the photovoltaic module can be expanded to adopt a photovoltaic glass type.

Steel truss arch supports 1 and can sets up different arch height and hunch angle according to the position of locating for prestressing force steel strand wires 2 are in all the time and are drawn the state, as shown in figure 4.

The utility model discloses a flexible shed formula venue class building photovoltaic system is applicable to the BIPV project under newly-built large-scale stadium, exhibition hall and market class environment. The supporting system adopts a truss structure, and the transverse stretching supporting structure adopts prestressed steel strands. The photovoltaic modules, the combiner boxes and the group string type inverters are all installed on the prestressed steel stranded wires through special metal clamps, the photovoltaic modules are power generation units, and meanwhile, the photovoltaic modules, the combiner boxes and the group string type inverters are tightly arranged to form a maintenance structure of a venue building.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the scope of the invention, which is defined by the appended claims.

Claims

1. The utility model provides a flexible canopy formula venue class building photovoltaic system which characterized in that includes: the system comprises a steel truss arch support (1), prestressed steel strands (2), a support foundation (3), an anti-pulling foundation (4), a photovoltaic module (5), a combiner box (6), a string-type inverter (7), a box-type transformer (8) and an energy storage power station module (9); wherein,

the steel truss arch supports (1) are arranged in plurality, and the steel truss arch supports (1) are sequentially fixed on the ground of the venue through the support foundation (3); a plurality of groups of prestressed steel strands (2) are arranged on the upper part of the steel truss arch support (1), and the prestressed steel strands (2) are arranged on the steel truss arch support (1) in a crossing manner to form a transverse support structure system; two ends of the prestressed steel strand (2) are anchored on the ground of the venue through an uplift foundation (4);

the photovoltaic modules (5) are sequentially fixed on the prestressed steel strands (2) through U-shaped clamps (10) to form a stadium shed enclosure structure; the combiner box (6) and the string type inverter (7) are fixed on the prestressed steel strand (2) within the range of the steel truss arch support (1); after the electric quantity generated by the photovoltaic module (5) is subjected to confluence and alternating current conversion, the electric quantity is conveyed into box-type transformers (8) arranged on the ground at two sides of the steel truss arch support (1);

the energy storage power station module (9) is electrically connected with the box-type transformer (8); the energy storage power station module (9) is arranged on the ground of the venue near the steel truss arch support (1).

2. The flexible shed stadium-like building photovoltaic system as recited in claim 1, wherein: each photovoltaic module (5) is fixed on the prestress steel strand (2) through two U-shaped clamps (10).

3. The flexible shed stadium-like building photovoltaic system as recited in claim 1, wherein: and a sealing rubber gasket is arranged between two adjacent photovoltaic modules (5) on the prestress steel strand (2).