CN217601904U - Photovoltaic system of folding ceiling curtain mode of light - Google Patents

Abstract

The utility model relates to a photovoltaic system of folding canopy curtain mode of light, pass through the photovoltaic module square matrix that series connection constitutes including 2 at least collapsible flexible photovoltaic module of light, the collapsible flexible photovoltaic module of light of photovoltaic module square matrix passes through the dead lever and fixes on glass daylighting top frame through pulley, guide rail, canopy curtain drive mechanism installation, the dead lever is supporting combination with the pulley, the pulley dress is in the guide rail, the photovoltaic module square matrix is being connected with the electric wire netting through collection flow box, dc-to-ac converter, photovoltaic measurement electric energy meter and is being incorporated into the power networks. The utility model discloses replace the folding cloth of sky canopy curtain with the collapsible flexible photovoltaic module of light, under the condition that does not change folding sky canopy curtain basis function, realize through the function that photovoltaic system electricity generation was incorporated into the power networks, both solved roof distributed photovoltaic project and can not install the use problem at glass daylighting top, reduction installation maintenance cost by a wide margin again still can save the cloth cost of a large amount of sky canopy curtains.

Description

Photovoltaic system of light folding ceiling curtain mode

Technical Field

The utility model relates to a solar photovoltaic field especially relates to a canopy curtain mode photovoltaic system is folded to light.

Background

As the photovoltaic industry develops, the rooftop distributed photovoltaic project is being rapidly developed. According to statistics, the building roof resources in China are rich and widely distributed, the potential for developing and building roof distributed photovoltaic is huge, the total installed photovoltaic capacity of only rural households can reach 10 billion kilowatts, and the corresponding total market capacity is 3 trillion yuan. However, the roof distributed photovoltaic project has limitations, and cannot be installed and used on a glass daylighting roof (a glass roof and a glass skylight). Firstly, the photovoltaic module is installed to shade light, and cannot meet the indoor lighting requirement; secondly, traditional photovoltaic module uses glass to encapsulate, and glass-encapsulated's subassembly is overweight, and a large amount of installations may surpass glass daylighting roof-rack bearing capacity, has the potential safety hazard.

However, most hotels, stations, airport terminals, commercial cities, department stores, exhibition halls, sports halls, museums, hospitals and the like have glass dayroofs on the top of the buildings due to the need of daylighting. Due to the need of sun shading in summer, a great number of glass daylighting roofs need to be provided with ceiling curtains.

Therefore, the applicant concentrates on research and exploration for many years in the field of photovoltaic application, decides to seek a technical scheme to solve the technical problems, and pushes a roof power station to be integrally expanded to a photovoltaic building.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a canopy curtain mode photovoltaic system is folded to light.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the utility model provides a folding canopy curtain mode photovoltaic system of light, includes the photovoltaic module square matrix that at least 2 collapsible flexible photovoltaic module of light pass through the series connection and constitute, the collapsible flexible photovoltaic module of light of photovoltaic module square matrix passes through the dead lever and fixes on glass daylighting roof top frame with pulley, guide rail, canopy curtain drive mechanism installation, the dead lever is supporting combination with the pulley, and the collapsible flexible photovoltaic module of light that every set of dead lever links to each other with the fixed 2 pieces of pulley, the pulley dress is in the guide rail, the photovoltaic module square matrix is being connected the grid-connected through collection flow box, dc-to-ac converter, photovoltaic measurement electric energy meter and electric wire netting.

Furthermore, a plurality of solar cells are packaged in the light foldable flexible photovoltaic module, the weight of each square meter of the light foldable flexible photovoltaic module is less than 2.5kg, and the thickness of the light foldable flexible photovoltaic module is 0.5-4 mm.

Furthermore, a bendable region is arranged in the middle of the light receiving surface of the light foldable flexible photovoltaic module, a photovoltaic junction box is arranged on the backlight surface, the positive and negative electrodes of the photovoltaic junction box are distributed on the left side and the right side of the module by taking the bendable region as a boundary, and the junction boxes on the left side and the right side are staggered in the vertical direction, so that the junction boxes on the left side and the right side cannot interfere after the module is bent.

Further, the light foldable flexible photovoltaic module can be bent for 0-180 degrees along the bending area.

Further, canopy curtain drive mechanism includes motor, transmission case, belt, coaster, the end of photovoltaic module square matrix is fixed on the coaster, the coaster dress is in the guide rail, the motor rotates and drives the belt through the transmission case and rotate, and the belt is driving the coaster and removes, and the coaster is pulling the photovoltaic module square matrix of dress on the pulley and is expanding or folding action.

From the above description of the structure of the present invention, compared with the prior art, the present invention has the following advantages:

(1) A new photovoltaic system installation market and scheme are developed, and the problem that a roof distributed photovoltaic project cannot be installed and used on a glass daylighting roof is solved;

(2) Compared with a roof distributed photovoltaic project, the folding ceiling curtain has the advantages that the existing device is fully utilized, a large amount of cost for installing the support can be saved, the installation and maintenance are convenient, and the installation and maintenance cost can be greatly reduced;

(3) Because the light roof of glass protects the assembly from being damaged by natural conditions such as hail, rain, snow and wind frost, compared with the traditional assembly packaged by glass, the assembly packaging cost can be greatly reduced.

(4) The foldable flexible photovoltaic module with light weight is used for replacing the cloth of the folding ceiling curtain, and the cost of the cloth is saved under the condition that the basic functions of the folding ceiling curtain are guaranteed.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:

fig. 1 is a schematic view of a photovoltaic system according to the present invention;

fig. 2 is a schematic diagram of the effect of the photovoltaic module after folding and shrinking the square matrix of the present invention;

fig. 3 is a schematic view of a lightweight foldable flexible photovoltaic module according to the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 2;

FIG. 5 is a schematic structural diagram of the present invention;

FIG. 6 is an enlarged view of a portion of FIG. 5;

Detailed Description

The invention will be further described with reference to the drawings and the following detailed description:

example (b):

referring to fig. 1, 2 and 5, the light folding ceiling curtain mode photovoltaic system of the present invention is used for solar power generation on a glass daylighting roof, and includes a photovoltaic module matrix formed by connecting 8 light folding flexible photovoltaic modules (a 1-a 8) in series, wherein the photovoltaic module matrix is fixed on a frame on the top of the glass daylighting roof by a fixing rod b3, a pulley b2, a guide rail b1 and a ceiling curtain transmission mechanism c1; the photovoltaic module matrix is connected with a power grid through a combiner box, an inverter and a photovoltaic metering electric energy meter, and grid connection is achieved.

Referring to fig. 3, a plurality of solar cells K1 are packaged inside the light foldable flexible photovoltaic module 100; preferably, the weight of the module per square meter is 1.5kg; preferably, the thickness of the component is 2mm; the light receiving surface of the component is the front surface, the middle area of the light receiving surface is provided with a bendable area K2, and the component can be bent along the bendable area K2 for 0-180 degrees (the area shown by K3); the subassembly shady face is provided with photovoltaic terminal box K4, the positive negative pole of photovoltaic terminal box K4 with regional K2 of can buckling is the boundary, distributes on both sides about the subassembly, and the position staggers about left and right sides terminal box K4, guarantees that the subassembly is buckled the back, and left and right sides terminal box K4 can not take place the interference phenomenon.

Referring to fig. 2 and 4, at night, on cloudy days or when lighting is needed, the photovoltaic module square matrix is folded, contracted and positioned at two sides of the glass lighting roof, so that the indoor lighting effect is not influenced; the light foldable flexible photovoltaic modules (a 1-a 8) are connected between the two sheets, and the junction boxes are staggered from top to bottom, so that interference after folding is avoided.

As shown in fig. 4, 5 and 6, the pulley b2 is mounted in the guide rail to slide along the track of the rail b 1. The fixing rods b3 and the pulleys b2 are combined in a matched mode, and each set of light foldable flexible photovoltaic module with 2 pieces of fixing rods b3 and pulleys b2 can be connected in a fixed mode; as shown in fig. 4 and 6, the 2 connected light foldable assemblies are an assembly a1 and an assembly a2, the fixed area is the half of the assembly a1 where the positive terminal box is located and the half of the assembly a2 where the negative terminal box is located, and the assembly a1 and the assembly a2 are connected in series.

Referring to fig. 5, the sunroof curtain drive mechanism includes: a motor b5, a transmission case b6, a belt b7 and a pulley b4; the carriage b4 is mounted in the guide rail b1 to slide along the track of the rail b 1. The tail end of the photovoltaic module square matrix is fixed on a pulley b4; the motor b5 drives the transmission box b6 to rotate, so that the belt b7 is driven to rotate, the belt b7 drives the pulley b4 to move, and the pulley b4 stretches or folds the photovoltaic module matrix on the pulley b2 under the traction action.

After the whole set of light folding ceiling curtain mode photovoltaic system is installed, as shown in fig. 1, the photovoltaic system has the sun-shading effect of the folding ceiling curtain and can also be used for power generation and grid connection through the photovoltaic system; as shown in fig. 2, with the contraction and closing of the folding photovoltaic module square matrix, the photovoltaic system is in a closed state, power generation is not performed, and the glass daylighting roof performs daylighting.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (5)

1. The utility model provides a foldable canopy curtain mode photovoltaic system of light, its characterized in that includes the photovoltaic module square matrix that at least 2 collapsible flexible photovoltaic module of light pass through the series connection and constitute, the collapsible flexible photovoltaic module of light of photovoltaic module square matrix passes through the dead lever and pulley, guide rail, canopy curtain drive mechanism installation to be fixed on glass daylighting top frame, the dead lever is supporting combination with the pulley, and the collapsible flexible photovoltaic module of light that every set of dead lever links to each other with the pulley is fixed 2, the pulley dress is in the guide rail, the photovoltaic module square matrix is being connected the grid-tie through collection flow box, dc-to-ac converter, photovoltaic measurement electric energy meter and electric wire netting.

2. The lightweight folding ceiling curtain mode photovoltaic system of claim 1, characterized in that: the light foldable flexible photovoltaic module is internally packaged with a plurality of solar cells, the weight of each square meter of the light foldable flexible photovoltaic module is less than 2.5kg, and the thickness of the light foldable flexible photovoltaic module is 0.5-4 mm.

3. The lightweight folding skyhook curtain mode photovoltaic system of claim 1, wherein: the middle area of the light receiving surface of the light foldable flexible photovoltaic module is provided with a bendable area, the backlight surface is provided with a photovoltaic junction box, the positive electrode and the negative electrode of the photovoltaic junction box are distributed on the left side and the right side of the module by taking the bendable area as a boundary, and the junction boxes on the left side and the right side are staggered in the vertical direction.

4. The lightweight folding ceiling curtain mode photovoltaic system of claim 3, characterized in that: the light foldable flexible photovoltaic module can be bent for 0-180 degrees along the bending area.

5. The lightweight folding ceiling curtain mode photovoltaic system of claim 1, characterized in that: it includes motor, transmission case, belt, coaster to ceiling curtain drive mechanism, the end of photovoltaic module square matrix is fixed on the coaster, the coaster dress is in the guide rail, the motor rotates and drives the belt through the transmission case and rotate, and the belt is driving the coaster and removes, and the coaster is pulling the photovoltaic module square matrix of dress on the pulley and is expanded or folding action.

Images