CN215760050U - Building structure of ventilation type photovoltaic integrated metal sloping roof - Google Patents
Building structure of ventilation type photovoltaic integrated metal sloping roof Download PDFInfo
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- CN215760050U CN215760050U CN202121390291.1U CN202121390291U CN215760050U CN 215760050 U CN215760050 U CN 215760050U CN 202121390291 U CN202121390291 U CN 202121390291U CN 215760050 U CN215760050 U CN 215760050U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/10—Photovoltaic [PV]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/20—Solar thermal
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- Roof Covering Using Slabs Or Stiff Sheets (AREA)
- Photovoltaic Devices (AREA)
Abstract
The utility model discloses a building structure of a ventilated photovoltaic integrated metal sloping roof, which is mainly technically characterized in that: the photovoltaic metal integrated roof plate is arranged on the secondary purline and fixedly connected with the upper end face of the photovoltaic metal integrated roof plate and the upper end face of the roof plate support fitting, so that a cavity for air flowing is formed among the photovoltaic metal integrated roof plate, the waterproof breathable layer and the secondary purline, and the cavity is the breathable layer. The beneficial effects are that: the temperature of the assembly is reduced, the power generation efficiency is improved, and the service life of the assembly is prolonged. The problems that the power generation efficiency of the photovoltaic module is influenced by temperature and the indoor thermal environment of a building is influenced are solved.
Description
Technical Field
The utility model relates to the technical field of photovoltaic buildings, in particular to a building structure of a ventilated photovoltaic integrated metal sloping roof.
Background
At present, photovoltaic integrated metal roofing materials are widely applied to photovoltaic building integrated buildings. The roofing material is a photovoltaic panel, and is a finished photovoltaic roofing building material compounded on a roofing metal plate in an adhesive mode. Design construction is carried out according to the traditional metal roof structure in the building design and the construction process, and the material characteristics of the photovoltaic module and the metal roof after the photovoltaic module and the metal roof are compounded are not considered. Roofing is one of the important components of a building and can protect against the effects of solar radiation and temperature in the natural world. The good thermal performance of the roof is a necessary condition for providing comfortable thermal environment for the interior of a building. The photovoltaic module generates heat in the power generation process, and meanwhile, a hot spot effect is generated due to the fact that the local photovoltaic cell blocks are shielded.
The generated heat not only reduces the power generation efficiency of the photovoltaic module, but also damages the photovoltaic module. The building structure of the existing photovoltaic integrated metal sloping roof enables heat generated in the photovoltaic power generation process to be accumulated in a roof heat insulation layer, so that the power generation efficiency is reduced, the damage probability of components is increased, and the heat generated in the building is accumulated on the roof and can cause adverse effects on the indoor thermal environment of the building.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that heat dissipation is difficult in a sloping roof in photovoltaic building integration, and provides a building structure of a ventilated photovoltaic integrated metal sloping roof, wherein the temperature of a component is reduced through ventilation and heat dissipation, so that the power generation efficiency is improved, and the service life of the component is prolonged.
In order to overcome the technical problems, the utility model adopts the technical scheme that:
including laying roofing purlin, steam trap, heat preservation, waterproof ventilative layer, roof boarding support accessory, inferior purlin, layer of ventilating, the integrated roof boarding of photovoltaic metal and fastener on building structure layer, its characterized in that: the photovoltaic metal integrated roof plate, the waterproof breathable layer and the secondary purlin are fixedly connected with each other to form a cavity for air flowing, the cavity is the ventilation layer, and the fasteners respectively penetrate through the lower end face of the roof plate support fitting, the waterproof breathable layer and the heat preservation layer to connect and fix the waterproof breathable layer and the heat preservation layer on the roof purlin.
Compared with the prior art, the utility model has the beneficial effects that: the temperature of the assembly is reduced, the power generation efficiency is improved, and the service life of the assembly is prolonged. The problems of reduction of the generating efficiency of the photovoltaic module, increase of the damage rate and influence of the indoor thermal environment of the building caused by the temperature problem are solved.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural view of the present invention.
Detailed Description
As shown in fig. 1, the roof purlin comprises a roof purlin 1 laid on a building structure layer, a steam-isolating layer 2, a heat-insulating layer 3, a waterproof breathable layer 4, a roof panel support fitting 5, a secondary purlin 6, a breathable layer 7, a photovoltaic metal integrated roof panel 8 and a fastener, wherein the roof purlin 1 is provided with the steam-isolating layer 2, the steam-isolating layer 2 is provided with the heat-insulating layer 3, the heat-insulating layer 3 is provided with the waterproof breathable layer 4, the waterproof breathable layer 4 is respectively provided with the roof panel support fitting 5 and the secondary purlin 6 for fixing the steam-isolating layer 2, the heat-insulating layer 3 and the waterproof breathable layer 4 on the roof purlin 1, the photovoltaic metal integrated roof panel 8 is arranged on the secondary purlin 6 and fixedly connects the photovoltaic metal integrated roof panel 8 with the upper end face of the roof panel support fitting 5, so that a cavity for air flow is formed among the photovoltaic metal integrated roof panel 8, the waterproof breathable layer 4 and the secondary purlin 6, the cavity is the ventilation layer 7, and the fasteners respectively penetrate through the lower end face of the roof panel support fitting 5, the waterproof ventilation layer 4 and the heat insulation layer 3 to connect and fix the waterproof ventilation layer 4 and the heat insulation layer 3 on the roof purline 1.
Further, the roof purline 1 is any one of metal profiles.
Further preferably, the metal section bar is a C-shaped channel steel, and the weight of the metal section bar is reduced under the condition that the support and connection strength are met.
Further, the roof panel support fitting 5 is in an inverted trapezoid shape, an open-ended sheet metal part is arranged at the upper end of the sheet metal part, a plane extending outwards is arranged on each of the left side and the right side of the upper end of the sheet metal part, and the planes are parallel to the bottom end of the sheet metal part respectively.
The bottom end of the sheet metal part is the bottom end face of the roof panel support fitting 5, the plane is the upper end face of the roof panel support fitting 5, and the plane extends outwards to enlarge the connection span with the photovoltaic metal integrated roof panel 8, so that the connection is more stable.
According to the ventilation layer 7 of the building structure of the ventilated photovoltaic integrated metal sloping roof, on one hand, the outer photovoltaic metal roof material of the ventilation layer 7 is used for shielding sunlight, so that the roof is changed into twice heat transfer, and solar radiation heat is prevented from directly acting on an enclosure structure. On the other hand, the heat entering the ventilation layer 7 is taken away by utilizing the action of wind pressure and hot pressing and natural ventilation, so that the power generation efficiency of the photovoltaic module is improved, and the influence of outdoor heat action on the inner surface is reduced. Furthermore, the problems of reduction of the generating efficiency of the photovoltaic module, increase of the damage rate and influence of the indoor thermal environment of the building caused by the temperature problem are solved.
The utility model is not limited to the precise arrangements described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the utility model is limited only by the appended claims.
Claims (4)
1. The utility model provides a building structure of integrated metal sloping roof of ventilation formula photovoltaic, includes roofing purlin (1), vapour barrier (2), heat preservation (3), waterproof ventilative layer (4), roof boarding support accessory (5), time purlin (6), ventilation layer (7), the integrated roof boarding of photovoltaic metal (8) and fastener of laying in building structure layer, its characterized in that: the roof purline is characterized in that a steam-insulating layer (2) is arranged on the roof purline (1), a heat-insulating layer (3) is arranged on the steam-insulating layer (2), a waterproof breathable layer (4) is arranged on the heat-insulating layer (3), roof panel support fittings (5) are respectively arranged on the waterproof breathable layer (4), and secondary purlines (6) used for fixing the steam-insulating layer (2), the heat-insulating layer (3) and the waterproof breathable layer (4) on the roof purline (1), a photovoltaic metal integrated roof panel (8) is arranged on the secondary purlines (6) and fixedly connecting the photovoltaic metal integrated roof panel (8) with the upper end faces of the roof panel support fittings (5), so that cavities for air flowing are formed among the photovoltaic metal integrated roof panel (8), the waterproof breathable layer (4) and the secondary purlines (6), the cavities are the roof ventilation layer (7), and fasteners respectively penetrate through the lower end faces and the roof panel support fittings (5), The waterproof breathable layer (4) and the heat-insulating layer (3) are fixedly connected on the roof purline (1).
2. The building structure of the ventilated photovoltaic integrated metal sloping roof as claimed in claim 1, wherein: the roof purline (1) is any one of metal sectional materials.
3. The building structure of the ventilated photovoltaic integrated metal sloping roof as claimed in claim 2, wherein: the metal section is a C-shaped channel steel.
4. The building structure of the ventilated photovoltaic integrated metal sloping roof as claimed in claim 1, wherein: the roof panel support fittings (5) are inverted trapezoidal and are provided with open-ended sheet metal parts at the upper ends, the left side and the right side of the upper ends of the sheet metal parts are respectively provided with an outwardly extending plane, and the planes are respectively parallel to the bottom ends of the sheet metal parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121390291.1U CN215760050U (en) | 2021-06-22 | 2021-06-22 | Building structure of ventilation type photovoltaic integrated metal sloping roof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121390291.1U CN215760050U (en) | 2021-06-22 | 2021-06-22 | Building structure of ventilation type photovoltaic integrated metal sloping roof |
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| Publication Number | Publication Date |
|---|---|
| CN215760050U true CN215760050U (en) | 2022-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121390291.1U Active CN215760050U (en) | 2021-06-22 | 2021-06-22 | Building structure of ventilation type photovoltaic integrated metal sloping roof |
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| CN (1) | CN215760050U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114319732A (en) * | 2022-02-10 | 2022-04-12 | 陕西华邦建设工程有限公司 | Waterproof and heat-insulation photovoltaic integrated roof structure and construction method |
-
2021
- 2021-06-22 CN CN202121390291.1U patent/CN215760050U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114319732A (en) * | 2022-02-10 | 2022-04-12 | 陕西华邦建设工程有限公司 | Waterproof and heat-insulation photovoltaic integrated roof structure and construction method |
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