Parapet wall construction node of photovoltaic building integrated roof
By installing enclosure panels and seals at the parapet wall of the building-integrated photovoltaic (BIPV) roof structure, combined with a folded edge design, the waterproofing and insulation issues at the parapet wall are solved, improving the roof's waterproofing performance and structural stability, and extending the building's service life.
Patent Information
- Application Number
- CN202422596480.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-25
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-10-25
AI Technical Summary
In building-integrated photovoltaic (BIPV) roof structures, poor coverage at the parapet wall makes it easy for water to seep in, damaging the waterproof and insulation layers and affecting the roof's waterproof and insulation performance.
A parapet wall and sealing elements are installed at the parapet wall location, and folded edges are installed at the roof panel to form a continuous protective structure that prevents water from seeping into the inner side of the roof and enhances the stability of the roof structure.
It improves the waterproof performance of the roof, ensures that the thermal insulation performance is not affected, enhances the stability of the roof structure, and extends the service life of the building.
Smart Images

Figure CN223468959U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to building structure technical field, concretely relates to a parapet construction node of photovoltaic building integrated roof. BACKGROUND
[0002] Photovoltaic building integrated (BIPV for short) is a technology of integrating solar power generation products into buildings, especially in combination with building roofs.
[0003] In the related art, the parapet as the low wall of the roof of the building mainly plays the role of maintaining safety and blocking wind and rain, but in the construction process, the existence of the parapet makes it difficult for the roof to form a continuous covering surface at this place, and in rainy and snowy weather, water flow is easy to seep from the gap of the roof at this place and flow to the inside of the roof covering surface, and even damage the waterproof layer and the thermal insulation layer of the roof, affecting daily use. SUMMARY
[0004] Therefore, the utility model provides a parapet construction node of photovoltaic building integrated roof to solve the problem of poor coverage of the BIPV roof structure at the parapet, easy seepage of water flow, and even damage to the waterproof layer and the thermal insulation layer.
[0005] The utility model provides a parapet construction node of photovoltaic building integrated roof, which comprises: a support layer; a roof panel provided at the support layer; an outer wall vertically arranged with the support layer, wherein the outer wall has a parapet arranged higher than the support layer in the vertical direction; a surrounding plate arranged around the outer wall; the surrounding plate comprises a first plate, a second plate and a third plate connected in sequence; the first plate is arranged on the side wall of the outer wall away from the support layer, the second plate is arranged on the top side wall of the parapet, and the third plate is arranged on the side wall of the parapet close to the support layer; wherein the edge plate of the third plate is arranged close to the roof panel; a sealing element is arranged on the surface of the roof panel and located between the edge plate of the third plate and the roof panel; and a folded edge is formed by bending and extending the side edge plate of the roof panel close to the parapet.
[0006] Beneficial effects: during the roof construction process, the surrounding plate is arranged at the parapet position, and the sealing element and the folded edge are arranged, so that a complete and continuous protection structure is formed at the parapet, effectively preventing water flow from seeping into the inside of the roof through the gap at the connection between the parapet and the roof, greatly improving the waterproof performance of the roof, while ensuring that the thermal insulation performance of the roof structure is not affected, and ensuring the energy efficiency of the building; the surrounding plate and the roof panel are arranged closely, and the water blocking folded edge is arranged, so that the stability of the entire roof structure is enhanced, the service life of the building is improved, and the usability is strong.
[0007] In an alternative embodiment, the folded edge is bent and extends away from a side edge of the roof panel to form a through slot, and an opening of the through slot is arranged towards a panel surface of the roof panel.
[0008] In an alternative embodiment, further comprising a vertical column extending in a vertical direction and arranged close to the outer wall.
[0009] A horizontal beam is connected to the vertical column.
[0010] In an alternative embodiment, further comprising a support, and a plurality of supports are respectively fixed to the vertical column and the horizontal beam.
[0011] The surrounding plate is adapted to abut against the support.
[0012] In an alternative embodiment, the folded edge is arranged to extend in a vertical direction.
[0013] In an alternative embodiment, a height of the folded edge in the vertical direction is H, and 45mm≤H≤55mm.
[0014] In an alternative embodiment, the support is fixed to the vertical column and the horizontal beam by means of a fastener.
[0015] In an alternative embodiment, the surrounding plate is an aluminum plate. BRIEF DESCRIPTION OF DRAWINGS
[0016] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description. Obviously, the drawings described below are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.
[0017] Figure 1 Figure 1 is a schematic view of a parapet construction node of a photovoltaic building integrated roof of the present application.
[0018] Explanation of reference signs:
[0019] 1, support layer; 2, roof panel; 21, folded edge; 22, through slot; 3, outer wall; 31, parapet; 4, surrounding plate; 41, first plate; 42, second plate; 43, third plate; 5, sealing element; 6, support; 61, fastener; 7, vertical column; 8, horizontal beam. DETAILED DESCRIPTION
[0020] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are some of the embodiments of the present application, but not all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0021] In the description of the present application, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.
[0022] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0023] In addition, the technical features involved in the different embodiments of the present application described below can be combined with each other as long as there is no conflict.
[0024] The embodiments of the present application will be described below in combination with Figure 1 .
[0025] According to the embodiment of the utility model, provide a kind of photovoltaic building integrated roof parapet 31 construction joint, comprising: support layer 1;Roof panel 2, it is located at the support layer 1;Outer wall 3, it is vertically arranged with the support layer 1, the outer wall 3 has the parapet 31 being arranged in the vertical direction and being higher than the support layer 1;Surrounding board 4, it is enclosed and arranged at the outer wall 3;The surrounding board 4 includes first board 41, second board 42 and third board 43 in turn and connect;The first board 41 is covered and arranged at the side wall of the outer wall 3 away from support layer 1, the second board 42 is covered and arranged at the top side wall of the parapet 31, and the third board 43 is covered and arranged at the side wall of the parapet 31 close to support layer 1;Wherein, the edge plate body of the third board 43 is arranged close to roof panel 2;Sealing element 5, it is arranged at the plate surface of the roof panel 2, and located between the edge plate body of the third board 43 and the roof panel 2;Folding edge 21, by the side edge plate body of the roof panel 2 close to parapet 31 is bent and extended to form.
[0026] Specific use process is, BIPV roof structure includes support layer 1, tile layer covered above support layer 1 and photovoltaic layer installed above tile layer, wherein, tile layer is formed by splicing multiple roof panels 2, at the position of parapet 31, set surrounding board 4 to enclose and cover parapet 31, and surrounding board 4 is overlapped to the upper side of roof panel 2, the edge plate body between third board 43 and roof panel 2 is sealed by sealing element 5, to form complete protective structure;Second, folding edge 21 of water retaining is arranged at the side plate body of roof panel 2 close to parapet 31, folding edge 21 can be extended and arranged along vertical direction, while guiding water flow drainage, play the role of blocking water flow and preventing overflow;Under the comprehensive action of surrounding board 4, sealing element 5 and folding edge, complete coverage domain layer is obtained at the parapet 31, effectively blocks water flow from infiltrating inside roof, guarantees the waterproof and thermal insulation performance of roof structure not to be influenced.
[0027] In the embodiment, during roof construction, by setting surrounding board 4 at the position of parapet 31, and setting sealing element 5 and folding edge 21, complete and continuous protective structure is formed at parapet 31, effectively blocks water flow from infiltrating inside roof through the gap at the connection between parapet 31 and roof, greatly improves the waterproof performance of roof, while guaranteeing the thermal insulation performance of roof structure not to be influenced, ensures the energy efficiency of building;The close setting between surrounding board 4 and roof panel 2, and setting water retaining folding edge 21, enhance the stability of entire roof structure, improve the service life of building, and have strong usability.
[0028] In some embodiments, in combination Figure 1As shown, the folded edge 21 is bent and extends away from one side edge of the roof panel 2, forming a through groove 22, and the groove opening of the through groove 22 is arranged towards the panel surface of the roof panel 2; specifically, the folded edge 21 is a basic blocking part, the through groove 22 is arranged above the folded edge 21, and the groove opening faces downward, playing a supplementary water blocking role, cooperating with the folded edge 21, and improving the water blocking and overflow prevention effect.
[0029] In some embodiments, in combination with Figure 1 As shown, further comprising a stand column 7 extending in the vertical direction and arranged close to the outer wall 3; a cross beam 8 connected to the stand column 7, and a plurality of cross beams 8 are arranged in connection with each other; a support 6, a plurality of supports 6 are respectively fixed at the stand column 7 and the cross beam 8 by means of fasteners 61, which can be screws; the surrounding plate 4 abuts on the support 6, leaving a certain gap between the surrounding plate 4 and the outer wall 3, and assisting in supporting the surrounding plate 4, playing a limiting role on the surrounding plate 4.
[0030] In some embodiments, in combination with Figure 1 As shown, the folded edge 21 is arranged to extend in the vertical direction, playing a water blocking and overflow prevention effect.
[0031] In some embodiments, in combination with Figure 1 As shown, the height of the folded edge 21 in the vertical direction is H, wherein 45mm≤H≤55mm, and the specific height can be selected according to the actual construction condition to match the water blocking needs of the building.
[0032] Obviously, the above embodiments are only examples for clearly illustrating, and are not a limitation on the embodiments. Although the embodiments of the utility model are described in combination with the drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the utility model, and such modifications and variations all fall within the scope defined by the utility model.
Claims
1. A parapet construction joint for a building integrated photovoltaic roof, characterized in that The utility model relates to a kind of roof structure, including: Support layer (1); Roof panel (2), it is located at the support layer (1); Outer wall (3), it is perpendicular to the support layer (1), the outer wall (3) has parapet (31) arranged in vertical direction higher than the support layer (1); Surrounding board (4), it is enclosed and arranged at the outer wall (3);The surrounding board (4) includes first board (41), second board (42) and third board (43) in turn and connect; The first board (41) is covered and arranged at the outer wall (3) side wall body away from support layer (1), the second board (42) is covered and arranged at the top side wall body of parapet (31), the third board (43) is covered and arranged at the side wall body of parapet (31) close to support layer (1); Wherein, the edge plate body of the third board (43) is arranged close to roof panel (2); Sealing element (5), it is arranged at the plate surface of roof panel (2), and between the edge plate body of the third board (43) and roof panel (2); Folding edge (21), by the side edge plate body of roof panel (2) close to parapet (31) bending and extending formation.
2. The photovoltaic building integrated roof parapet construction joint according to claim 1, characterized in that, The folding edge (21) is bent and extended away from the side edge plate body of roof panel (2), forms through groove (22), and the slot of the through groove (22) is arranged towards the plate surface of roof panel (2).
3. The photovoltaic building integrated roof parapet construction joint according to claim 1, characterized in that, Also include, column (7), it extends along vertical direction, and it is arranged close to the outer wall (3); Crossbeam (8), it is connected at the column (7).
4. The photovoltaic building integrated roof parapet construction joint according to claim 3, characterized in that, Also include, support (6), and multiple support (6) are respectively fixed at the column (7) and the crossbeam (8); The surrounding board (4) is adapted to abut at the support (6).
5. The photovoltaic building integrated roof parapet construction joint according to claim 2, characterized in that, The folding edge (21) is arranged along vertical direction.
6. The photovoltaic building integrated roof parapet construction joint according to claim 5, characterized in that, The height of the folding edge (21) in vertical direction is H, wherein 45mm≤H≤55mm.
7. The photovoltaic building integrated roof parapet construction joint according to claim 4, characterized in that, The support (6) is fixed to the column (7) and the crossbeam (8) by fastener (61).
8. The photovoltaic building integrated roof parapet construction joint of claim 1, wherein, The surrounding board (4) is aluminum plate.