CN219491509U - BIPV roofing system - Google Patents

Abstract

The utility model provides a BIPV roofing system, and belongs to the technical field of building structures. The problems of poor heat dissipation condition, weak locking joint strength, complicated installation and high cost on a BIPV roof system of a color steel tile factory building are solved. This BIPV roofing system, including photovoltaic module, roof boarding, support, heat preservation cotton, photovoltaic module includes photovoltaic cell and photovoltaic glass, and heat preservation cotton is laid on the roofing purlin, and roof boarding edge colludes even the support, and the support is fixed on heat preservation cotton, and roof boarding edge installs the seam clamp additional, and the seam clamp is opened there is first press from both sides mouth and second press from both sides mouth, and first press from both sides mouth presss from both sides the roof boarding of support and both sides and rolls up into the seam structure, and the second press from both sides mouth and fix photovoltaic module on the roof boarding, and bolt nut cooperation is pressed from both sides mouth and second and is pressed from both sides mouth and is closed with first. The BIPV roof system has the characteristics of good heat dissipation condition, high lock joint strength, convenience in installation and low cost.

Description

BIPV roofing system

Technical Field

The utility model belongs to the technical field of building structures, relates to a BIPV system, and particularly relates to a BIPV roof system.

Background

With the increasing level of living, people are placing higher demands on comfortable building environments, which also results in an increase in the associated energy consumption for building heating and air conditioning.

Solar power generation is one of the important directions of clean energy power generation due to the characteristics of cleanliness, no pollution, high power generation conversion efficiency and the like.

With the years of development of the photovoltaic industry, building photovoltaic integration, BIPV (Building Integrated Photovoltaic) for short, appears in the market, BIPV regards a photovoltaic module as an outer surface structure of a building, the photovoltaic module is not dependent on the existing roof for installation, and the photovoltaic module can be arranged on the outer surface of the building as a building material when the building is built. At present, a plurality of factory buildings start to build the buildings by using the BIPV technology, the peak period of power consumption of the buildings is daytime, photovoltaic power generation can just complement the energy consumption of the buildings, the consumption of electric energy of a power grid is reduced, and the aim of low carbon and environmental protection is indirectly achieved.

The manufacturer designs according to the thought of the traditional assembly, and the BIPV is difficult to be compatible with the building from the aspect of building design, and the building frame is required to be renovated or a new building is required to be built for installing the BIPV system, so that the installation cost is high, and the installation process is complicated; as the strength of the lock joint is not high, under the strong wind suction force, the roof board of the BIPV system can deform, and the deformation can lead the lock joint to generate the condition of plate joint separation, thus the leakage phenomenon can occur in rainy days; the BIPV has poor heat dissipation conditions, one surface of the BIPV receives illumination, the other surface of the BIPV is encapsulated by an organic material, heat is difficult to dissipate, hot spots are easily formed on a photovoltaic cell, even the organic material is ignited, a fire disaster is caused, and the service life of the BIPV is shortened.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides the BIPV roof system which has good heat dissipation condition, convenient and quick installation and high locking joint strength.

The aim of the utility model can be achieved by the following technical scheme: the utility model provides a BIPV roofing system, includes photovoltaic module, roof boarding, support, heat preservation cotton, photovoltaic module includes photovoltaic cell and photovoltaic glass, heat preservation cotton is laid on the roofing purlin, roof boarding edge colludes even has a plurality of support, support insert structure nail is fixed on heat preservation cotton, roof boarding edge adds and is equipped with a plurality of lockstitch presss from both sides, the lockstitch presss from both sides to open has first clamp mouth and second clamp mouth, first clamp mouth forms clamping relation with the roof boarding of support and both sides, presss from both sides the junction and rolls into the lockstitch structure, the second clamp mouth is fixed photovoltaic module on the roof boarding, it has the screw to open on first clamp mouth and the second clamp mouth.

In the BIPV roofing system, a rubber gasket is arranged in the second clamping nozzle, and the rubber gasket is fixedly arranged on the second clamping nozzle through glue.

In the BIPV roofing system, the photovoltaic module adopts a borderless double-glass structure, the photovoltaic glass is double-layer toughened glass, and the photovoltaic glass is filled and packaged by POE+EVA materials.

In the BIPV roofing system, a supporting structure is arranged in the middle of the roof board in a uplift mode, and groove structures are formed in two sides of the supporting structure in a cold pressing mode.

In the BIPV roofing system, the gap between the roof plate and the support in the lock joint structure is filled with sealant.

In the BIPV roofing system, an interlayer is arranged between the roof board and the heat preservation cotton.

Compared with the prior art, the utility model has the advantages that; the insulating cotton is paved under the roof plate, so that dependence on purlines is eliminated, the existing factory building roof can be matched, and the compatibility is strong; the lock stitch clamp design is adopted, the lock stitch structure of the connecting roof board is optimized, the lock stitch strength is improved, and the BIPV roof system is more rapid and convenient to install; the heat dissipation condition is improved by cold pressing grooves on the roof plate as heat dissipation channels.

Drawings

FIG. 1 is a perspective view of a BIPV roofing system;

FIG. 2 is a side view of a BIPV roofing system;

FIG. 3 is an enlarged view of circle A of FIG. 1;

FIG. 4 is a schematic structural view of a latch clip;

fig. 5 is an enlarged view of circle B in fig. 2.

In the figure, 1, heat preservation cotton; 2. a photovoltaic module; 21. photovoltaic glass; 22. a photovoltaic cell; 3. roof boarding; 31. a groove; 32. a support structure; 4. a support; 5. a locking slit clamp; 51. a first clamping nozzle; 52. a second clamping nozzle; 6. a rubber gasket; 7. a lock joint structure; 8. a screw hole; 9. and (5) an interlayer.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

As shown in fig. 1 to 5, the present utility model can be implemented by the following technical schemes: the BIPV roof system comprises a photovoltaic module 2, a roof plate 3, a support 4 and heat insulation cotton 1, wherein the heat insulation cotton 1 is paved between purlins, the roof plate 3 is a cold-pressed color steel tile, the photovoltaic module 2 comprises a photovoltaic cell 22 and photovoltaic glass 21, the photovoltaic cell 22 is clamped between the two photovoltaic glass 21, a plurality of supports 4 are hooked on the edges of the roof plate 3, the supports 4 are fixedly connected to the heat insulation cotton 1 through bottom driving structural nails, the supports 4 support the roof plate 3 above the heat insulation cotton 1, a plurality of locking seam clamps 5 are additionally arranged on the edges of the roof plate 3, a first clamping nozzle 51 and a second clamping nozzle 52 are arranged on the locking seam clamps 5, the two sides of the first clamping nozzle 51 press the roof plate 3 on the supports 4 and the two sides of the support 4, the second clamping nozzle 52 fixes the photovoltaic module 2 on the roof plate 3, screw holes 8 are formed in the first clamping nozzle 51 and the second clamping nozzle 52, and the screw holes 8 are used for matching bolts and nuts.

Further explaining, the heat preservation cotton 1 is paved on the roof purline, the roof board 3 is installed on the heat preservation cotton 1, the dependence of the roof board 3 on the roof purline during installation is relieved, the support 4 is inserted into the structural nail to be fixed on the heat preservation cotton 1, meanwhile, the heat preservation cotton 1 is compressed to generate a reaction force, the structural nail is contracted and clamped, the fixation of the support 4 is enhanced, the lock seam clamp 5 and the bolt and nut are detachably connected, so that the installation of the BIPV roof system is more convenient and quick, the replacement is convenient, the formed lock seam structure 7 is high in strength, excellent waterproof performance and reliable lock seam holding force when facing snow freeze thawing are provided for sloping roofs such as industrial plants, the lock seam structure 7 is stable and plate seam separation cannot occur even in strong wind suction.

The installation mode of the BIPV roofing system comprises the following steps: the heat preservation cotton 1 is vertically paved on a roof purline, the heat preservation cotton 1 is fixed on the purline through screws, the roof board 3 is paved on the heat preservation cotton 1, the edges of the roof board 3 are hooked with a plurality of supports 4, the supports 4 are installed on the heat preservation cotton 1 through structural nails, meanwhile, the supports 4 support the roof board 3, a lock seam clamp 5 is arranged right above the supports 4, a first clamping mouth 51 clamps the edges of the supports 4 and the roof boards 3 on two sides, the bolts penetrate through screw holes 8 to be in threaded fit with nuts, the first clamping mouth 51 is extruded, the first clamping mouth 51 is folded inwards, and the edges of the roof board 3 and the supports 4 are clamped into a lock seam structure 7; finally, the photovoltaic module 2 is arranged in the second clamping mouth 52, the second clamping mouth 52 is pressed by the screw threads of the bolts and nuts, so that the second clamping mouth 52 is closed, and the photovoltaic module 2 is clamped and fixed.

As shown in fig. 3 to 5, the rubber gasket 6 is disposed on the second clamping nozzle 52, so that when the second clamping nozzle 52 clamps the photovoltaic module 2, pressure is uniformly applied to the photovoltaic glass 21 to prevent the photovoltaic module 2 from being damaged by pressure, and meanwhile, the friction force between the second clamping nozzle 52 and the photovoltaic module 2 is enhanced to prevent the photovoltaic module 2 from falling off due to displacement.

As shown in fig. 1 and 2, the photovoltaic module 2 adopts a borderless double-glass structure, the photovoltaic glass 21 in the photovoltaic module 2 is of a double-layer toughened glass structure, the photovoltaic glass 21 is arranged on the upper side and the lower side of the photovoltaic cell 22, and the photovoltaic glass 21 is encapsulated by a co-extrusion type POE adhesive film. The borderless design of the photovoltaic module 2 facilitates cleaning of the photovoltaic module 2, and the surface of the photovoltaic module 2 can be washed by rainwater in overcast and rainy weather, so that dust is not easy to accumulate, and the working efficiency of the photovoltaic module 2 is prevented from being influenced by excessive dust accumulation; the photovoltaic glass 21 is of a double-layer toughened glass structure, can bear large mechanical load, can be stepped on and walked by personnel, does not need to be provided with an operation and maintenance channel, is convenient to maintain, can be provided with more BIPV roof systems, and improves the roof utilization rate; the photovoltaic glass 21 is encapsulated by a co-extrusion type POE adhesive film, which is also called as an EPE adhesive film, and is obtained by a co-extrusion process through POE materials and EVA materials, so that the strength of the photovoltaic module 2 is enhanced, and meanwhile, dust and rainwater are prevented from contacting the photovoltaic cell 22, so that the photovoltaic module 2 works normally.

As shown in fig. 2, the intermediate ridge of the roof panel 3 forms a support structure 32. The support structure 32 has a recess 31 on each of its left and right sides. The supporting structure 32 is arranged to provide support for the photovoltaic module 2, so that the moment borne by the photovoltaic module 2 is reduced, the load of the photovoltaic module 2 is reduced, the photovoltaic module 2 and the supporting structure 32 form a strip-shaped supporting structure with stronger bearing capacity, the photovoltaic module 2 can bear more weights, personnel are allowed to carry more tools for maintenance and maintenance, and the bearing capacity of a roof is enhanced; the groove 31 enlarges the back space of the photovoltaic module 2, air can circulate in the groove 31 in a large quantity to dissipate heat, the heat dissipation condition is good, rainwater can be collected and discharged through the groove 31 when raining, the drainage condition is good, and residual rainwater in the groove 31 can provide cooling for the air and has strong heat dissipation performance.

As shown in fig. 5, the sealing glue is filled between the support 4 and the roof boards 3 at both sides in the lock joint structure 7. The sealant enhances the strength of the locking seam structure 7, and simultaneously blocks the gaps in the locking seam structure 7, thereby enhancing the waterproof performance of the locking seam structure 7.

As shown in fig. 2, a sandwich layer 9 is formed between the roof board 3 and the insulation cotton 1. The junction box, the bypass diode, the connecting wire and other electrical devices can be arranged in the interlayer 9, and meanwhile, a reminding device can be arranged to monitor the working condition of the photovoltaic module 2, so that the photovoltaic module is convenient to repair and maintain in time; or lay the cable conductor, for other electrical devices power supply on the roofing, supply power to the factory building in the same time, surplus electricity is uploaded to the electric wire, reduce the cost of laying the cable, make the roofing clean and tidy pleasing to the eye, reduce other roofing facilities and occupy the roofing area, increase BIPV roofing system's installation area.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Although various terms are used more herein, the use of other terms is not precluded. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.

Claims (5)

1. BIPV roofing system, including heat preservation cotton (1), photovoltaic module (2), roof boarding (3), support (4), photovoltaic module (2) include photovoltaic cell (22) and photovoltaic glass (21), its characterized in that: the heat preservation cotton (1) is paved on a roof purline, a plurality of supports (4) are hooked on the edge of a roof board (3), structural nails for inserting the supports (4) are fixed on the heat preservation cotton (1), a plurality of locking seam clamps (5) are additionally arranged on the edge of the roof board (3), a first clamping mouth (51) and a second clamping mouth (52) are arranged on the locking seam clamps (5), the first clamping mouth (51) and the supports (4) and the roof boards (3) on two sides of the supports form a clamping relationship, a connecting part is clamped and rolled into a locking seam structure (7), the photovoltaic module (2) is fixed on the roof board (3) by the second clamping mouth (52), and screw holes (8) are formed in the first clamping mouth (51) and the second clamping mouth (52).

2. A BIPV roofing system according to claim 1, wherein a rubber gasket (6) is provided in the second jaw (52), the rubber gasket (6) being secured to the second jaw (52) by glue mounting.

3. The BIPV roofing system of claim 1 wherein the photovoltaic modules (2) are of a borderless dual-glass structure, the photovoltaic glass (21) is a double-layer toughened glass, and the photovoltaic glass (21) is filled and encapsulated by EPE adhesive films.

4. BIPV roofing system according to claim 1, wherein the roof panel (3) is provided with a support structure (32) in the middle ridge, the support structure (32) being cold pressed with grooves (31) on both sides.

5. BIPV roofing system according to claim 1, wherein an interlayer (9) is provided between the insulating wool (1) and the roof board (3).