Photovoltaic roof connecting structure and photovoltaic roof

Abstract

The invention discloses a photovoltaic roof connecting structure and a photovoltaic roof. The photovoltaic roof connecting structure comprises a profiled steel sheet, a heat preservation layer, a supporting assembly, a connecting piece and a photovoltaic panel. The supporting assemblies are installed on the heat preservation layer at intervals, and each supporting assembly comprises an installation base, a flow guide groove and a supporting clamp. The connecting piece is composed of a clamping plate and a clamping column which are integrally formed and clamped and fixed through a supporting clamp. The clamping plate is provided with an upper supporting plate and a lower supporting plate. The two ends of the clamping column communicate with the opening of the flow guide groove and the drainage channel correspondingly, and a drainage path is formed. Two ends of the photovoltaic panel are respectively inserted into the clamping plates of the adjacent connecting pieces to realize installation. Rainwater is prevented from falling into the cavity below the photovoltaic panel, so that accelerated aging of the waterproof layer and erosion of the thermal insulation layer are prevented.

Description

Technical Field

[0001] This invention relates to the field of building-integrated photovoltaics (BIPV) technology, and more particularly to a photovoltaic roof connection structure and a photovoltaic roof. Background Technology

[0002] With the rapid development of green buildings and renewable energy, building-integrated photovoltaics (BIPV) has become an important way to achieve energy conservation and emission reduction in buildings. Integrating photovoltaic modules directly into the building roof not only generates electricity efficiently but also replaces some traditional building materials, combining functionality and aesthetics, and has broad market application prospects.

[0003] In existing photovoltaic (PV) roof systems, standardized PV modules are typically installed onto the roof substrate using brackets or rails. This method has a significant technical drawback: because each PV module is an independent unit, certain installation gaps must be maintained between multiple modules to ensure sufficient space for installation, thermal expansion and contraction, and electrical safety. While these crisscrossing gaps are unavoidable, they become weak points in the roof's waterproofing system. During rain or snow, rainwater can easily seep into the cavities beneath the PV panels through these gaps. Although the roof substrate itself has a waterproof layer, moisture trapped between the PV panels and the waterproof layer cannot evaporate easily, creating a damp and humid environment that may accelerate the aging of the waterproof layer and erode the insulation layer.

[0004] Therefore, the present invention provides a photovoltaic roof connection structure and a photovoltaic roof to prevent rainwater from falling into the cavity under the photovoltaic panel, thereby preventing the waterproof layer from aging faster and the insulation layer from being eroded. Summary of the Invention

[0005] In order to overcome the shortcomings of the prior art, the present invention aims to provide a photovoltaic roof connection structure and a photovoltaic roof, which can prevent rainwater from falling into the cavity under the photovoltaic panel, prevent the waterproof layer from aging faster, and prevent the insulation layer from being eroded.

[0006] The objective of this invention is achieved through the following technical solution:

[0007] A photovoltaic roof connection structure and a photovoltaic roof, comprising:

[0008] Corrugated steel sheet, the corrugated steel sheet being used to bear the load;

[0009] An insulation layer, which is covered and supported by the profiled steel sheet;

[0010] Multiple support components are spaced apart and mounted on the insulation layer. Each support component includes a mounting base, a flow guide channel, and a support clamp. The mounting base is spaced apart and extends along a first horizontal direction. The flow guide channel extends along the first horizontal direction and is connected to the mounting base. The opening of the flow guide channel faces away from the insulation layer. The support clamp is mounted in the groove of the flow guide channel and is spaced apart along the first direction and connected to the mounting base.

[0011] Multiple connectors are provided, wherein each connector extends along a first direction and is held by multiple support clamps. Each connector includes a clamping plate and a clamping column. The clamping plate and the clamping column are integrally connected. The clamping plate extends parallel to the first horizontal direction and includes an upper support plate and a lower support plate. The upper support plate has multiple drainage channels. The clamping column has a flow guiding channel. Both ends of the flow guiding channel are connected to the outside. One end of the flow guiding channel faces the opening of the flow guiding groove, and the other end of the flow guiding channel communicates with the drainage channel.

[0012] A photovoltaic panel, wherein the photovoltaic panel extends along a first horizontal direction, and the opposite ends of the photovoltaic panel are respectively inserted into one of the adjacent and horizontally spaced clamps.

[0013] Furthermore, the support assembly also includes a drainage channel, which is located directly below the connection point of two of the photovoltaic panels and abuts against the two photovoltaic panels. The two ends of the drainage channel are respectively connected to one of two adjacent guide channels. The drainage channel is used to guide rainwater falling from the connection point of the two photovoltaic panels to the guide channel.

[0014] Furthermore, there are two clamping plates, which are symmetrically arranged on the same clamping column.

[0015] Furthermore, the photovoltaic panel is arc-shaped, and the photovoltaic panel arches upward away from the insulation layer along the first direction.

[0016] Furthermore, the radial width of the end of the hydrophobic channel away from the flow guiding channel is greater than the radial width of the other end of the hydrophobic channel.

[0017] Furthermore, the mounting base includes screws and locking components. The screws extend along the direction of gravity and pass through the profiled steel sheet and the insulation layer. The locking components, the insulation layer, and the profiled steel sheet are distributed sequentially along the direction of gravity. The locking components are threadedly connected to the screws to lock the relative positions of the insulation layer and the profiled steel sheet in the vertical direction.

[0018] Furthermore, the support clamp includes a threaded cylinder and a first clamping part, the threaded cylinder and the first clamping part are integrally connected, the opening of the first clamping part faces upward, the threaded cylinder, the guide groove and the locking member are distributed sequentially along the direction of gravity, the screw passes through the guide groove, and the threaded cylinder and the screw are threadedly connected so that the guide groove is clamped by the threaded cylinder and the locking member and the position of the guide groove in the vertical direction is locked.

[0019] Furthermore, the support clamp also includes a second clamping part, which is symmetrically arranged with the first clamping part. The second clamping part covers and abuts against the clamping column, and the second clamping part is threadedly connected to the upper support plate.

[0020] Furthermore, both the guide channel and the diversion channel are made of stainless steel.

[0021] Furthermore, one end of the clamping column is connected to a limiting ring, which is threadedly connected to the clamping column and abuts against the clamping plate. The limiting ring is used to prevent the photovoltaic panel clamped on the clamping plate from shifting in the first horizontal direction.

[0022] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0023] 1. Based on the design of the support clamp, a firm and precise mechanical connection between the connector and the support component is achieved. By clamping and fixing the connector within the groove of the guide channel, the support clamp effectively prevents the connector from shifting or loosening under external forces such as wind load, snow load, or personnel stepping on it during maintenance. This greatly improves the structural rigidity and stability of the entire photovoltaic array, ensuring the long-term reliability of the system. This clamping installation eliminates the need for drilling or welding on the connector or guide channel, avoiding the potential risk of water leakage and damage to the anti-corrosion layer of the metal substrate caused by openings. The installation process is faster and more non-destructive, significantly improving construction efficiency and reducing the complexity of subsequent maintenance. Notably, the spaced arrangement of the support clamp along the first direction provides uniform support force to the connector and, together with the guide channel, forms an invisible load-bearing frame. This allows the roof load to be efficiently transferred to the mounting base, insulation layer, and profiled steel sheet main structure below, with a clear force path and a high safety factor.

[0024] 2. Based on the drainage system comprised of guide channels, drainage channels, and drainage channels, this design first creates an active, efficient, and sealed directional drainage path: rainwater intruding from the photovoltaic panel joints is immediately collected by the drainage channels of the upper support plate, then guided downwards through the guide channels of the clamping columns, and finally flows into the horizontally extending guide channels for centralized discharge. This path ensures that rainwater is quickly discharged from the photovoltaic panel joints, preventing water from falling into the cavity below the photovoltaic panels, thus eliminating the problems of insulation layer performance degradation, accelerated aging of the waterproof layer, and corrosion of metal components caused by a "humid" environment. It is worth noting that this drainage system is highly integrated with the supporting structure; the guide channels simultaneously serve as structural load-bearing and drainage functions, eliminating the need for additional drainage components, saving installation space and material costs, and maintaining the simplicity and aesthetics of the roof design. This drainage design greatly improves the durability of the roof system, reduces long-term maintenance costs, and provides reliable technical support for the integrated application of photovoltaics and buildings. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of a photovoltaic roof connection structure and a photovoltaic roof structure according to the present invention;

[0026] Figure 2 for Figure 1 The enlarged view shown is A.

[0027] Figure 3 for Figure 1 The cross-sectional view shown;

[0028] Figure 4 for Figure 3 The enlarged view shown is B.

[0029] Figure 5 for Figure 1 Another cross-sectional view;

[0030] Figure 6 for Figure 5 The enlarged view shown in section C.

[0031] In the diagram: 1. Corrugated steel sheet; 2. Insulation layer; 3. Support assembly; 301. Mounting base; 311. Screw; 312. Locking element; 302. Flow guide channel; 303. Support clamp; 313. Threaded cylinder; 314. First clamping part; 315. Second clamping part; 4. Connecting part; 401. Clamping plate; 411. Upper support plate; 412. Lower support plate; 402. Clamping column; 5. Drainage channel; 6. Flow guide channel; 7. Photovoltaic panel; 8. Drainage channel; 9. Limiting ring. Detailed Implementation

[0032] The present invention will now be further described in conjunction with the accompanying drawings and specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0033] It should be noted that when an element is described as being "fixed to" another element, it can be directly attached to the other element or there may be an intervening element. When an element is described as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementations.

[0034] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0035] See Figures 1-6 A preferred embodiment of the present invention discloses a photovoltaic roof connection structure and a photovoltaic roof, comprising a profiled steel sheet 1, an insulation layer 2, multiple support components 3, multiple connectors 4, and a photovoltaic panel 7. The profiled steel sheet 1 is used to bear the load. The insulation layer 2 covers the profiled steel sheet 1 and is supported by the profiled steel sheet 1. Multiple support components 3 are spaced apart and installed on the insulation layer 2. Each support component 3 includes a mounting base 301, a flow guide trough 302, and a support clamp 303. The mounting base 301 is spaced apart and installed on the insulation layer 2 and extends along a first horizontal direction. The flow guide trough 302 extends along the first horizontal direction and is connected to the mounting base 301. The opening of the flow guide trough 302 faces away from the insulation layer 2. The support clamp 303 is installed in the groove of the flow guide trough 302 and is spaced apart along the first direction. It is connected to the mounting base 301; wherein the connector 4 extends along the first direction and is clamped by multiple support clamps 303. The connector 4 includes a clamping plate 401 and a clamping column 402. The clamping plate 401 and the clamping column 402 are integrally connected. The clamping plate 401 extends parallel along the first horizontal direction. The clamping plate 401 includes an upper support plate 411 and a lower support plate 412. The upper support plate 411 has multiple drainage channels 5. The clamping column 402 has a flow guiding channel 6. Both ends of the flow guiding channel 6 are connected to the outside. One end of the flow guiding channel 6 faces the opening of the flow guiding groove 302, and the other end of the flow guiding channel 6 is connected to the drainage channel 5. The photovoltaic panel 7 extends along the first horizontal direction. The opposite ends of the photovoltaic panel 7 are respectively inserted into one of the adjacent and horizontally spaced clamping plates 401.

[0036] The working principle of this invention is as follows: A profiled steel sheet 1 serves as the main load-bearing base layer, with an insulation layer 2 laid on top. A support assembly 3 is fixed to the insulation layer 2 via a mounting base 301. Rainwater flows through the joints between adjacent photovoltaic panels 7, first collected and guided by a drainage channel 5 opened in the upper support plate 411 of the connector 4. The water then flows into a guide channel 6 of the clamping column 402, which is connected to the drainage channel 5, and is guided downwards through this channel. The water is then collected in a guide trough 302 located directly below the support clamp and with its opening facing upwards. The guide trough 302 then orderly discharges the rainwater from the roof in a horizontal direction. This active drainage path prevents rainwater from flowing from the joints of the photovoltaic panels 7 into the cavity below the photovoltaic panels 7, thus solving the technical problems of erosion of the insulation layer 2 and accelerated aging of the waterproof layer, thereby improving the durability and reliability of the roof.

[0037] Clearly, the design of the support clamp 303 achieves a firm and precise mechanical connection between the connector 4 and the support component 3. By clamping and fixing the connector 4 into the groove of the guide channel 302, the support clamp 303 effectively prevents the connector 4 from shifting or loosening under external forces such as wind load, snow load, or personnel stepping on it during maintenance. This greatly improves the structural rigidity and stability of the entire photovoltaic array, ensuring the long-term reliability of the system. This clamping installation eliminates the need for drilling or welding on the connector 4 or the guide channel 302, avoiding the potential risk of water leakage and damage to the anti-corrosion layer of the metal substrate caused by opening holes. The installation process is faster and more non-destructive, significantly improving construction efficiency and reducing the complexity of subsequent maintenance. It is worth noting that the way the support clamps 303 are spaced along the first direction provides uniform support for the connector 4, and together with the guide channel 302, they form an invisible load-bearing frame, so that the roof load can be efficiently transferred to the installation base 301 and the main structure of the insulation layer 2 and the profiled steel sheet 1 below, with a clear force path and a high safety factor.

[0038] Based on the drainage channel formed by the guide channel 302, the guide channel 6, and the drainage channel 5, this design first creates an active, efficient, and sealed directional drainage path: rainwater intruding from the joints of the photovoltaic panels 7 is immediately collected by the drainage channel 5 of the upper support plate 411, then guided downwards through the guide channel 6 of the clamping column 402, and finally flows into the horizontally extending guide channel 302 for centralized discharge. This path ensures that rainwater is quickly discharged from the joints of the photovoltaic panels 7, preventing water from falling into the cavity below the photovoltaic panels 7, thereby eliminating the problems of performance degradation of the insulation layer 2, accelerated aging of the waterproof layer, and corrosion of metal components caused by a "humid" environment. It is worth noting that this drainage system is highly integrated with the supporting structure. The guide channel 302 has both structural load-bearing and drainage functions, eliminating the need for additional drainage components, saving installation space and material costs, and maintaining the simplicity and aesthetics of the roof design. This drainage design greatly improves the durability of the roof system, reduces long-term maintenance costs, and provides reliable technical support for the integration of photovoltaics and buildings.

[0039] More preferably, the support component 3 also includes a drainage channel 8, which is located directly below the connection of two photovoltaic panels 7 and abuts against the two photovoltaic panels 7. The two ends of the drainage channel 8 are respectively connected to one of two adjacent guide channels 302. The drainage channel 8 is used to guide rainwater falling from the connection of the two photovoltaic panels 7 to the guide channel 302. Multiple photovoltaic panels 7 installed along the first horizontal direction and aligned in a straight line abut against each other during installation. Gaps inevitably appear between any two photovoltaic panels 7, allowing rainwater to drip into the insulation layer 2. The drainage channel 8 of this invention is located directly below the connection point of the photovoltaic panels 7, collecting the dripping rainwater and channeling it into two adjacent drainage channels 302 to prevent rainwater from falling into the insulation layer 2. Notably, the drainage channel 8 abuts against the photovoltaic panels 7, enhancing their stability. As an auxiliary support structure, the drainage channel 8 provides additional vertical support to the edges of the photovoltaic panels 7, effectively reducing the minor deformation and vibration of the photovoltaic panels 7 under wind loads, snow loads, or thermal expansion and contraction, thereby improving the structural rigidity and fatigue resistance of the entire photovoltaic array. The two ends of the drainage channel 8 connect to two adjacent drainage channels 302, naturally forming a longitudinal reinforcing rib running through the roof. It works in conjunction with the horizontally extending drainage channels 302 below, forming an invisible grid-like reinforcement system on the roof. This system significantly improves the overall integrity of the roof structure, enabling the loads borne locally to be transmitted and distributed more evenly downwards, further optimizing the stress state of the main structure.

[0040] More preferably, there are two clamping plates 401, symmetrically arranged on the same clamping column 402. This greatly improves installation efficiency and connection reliability. The two clamping plates 401 on the clamping column 402 of a single connector 4 can simultaneously provide precise and stable clamping and support for two adjacent photovoltaic panels 7. This not only halves the number of parts required, but also makes the installation process faster and more consistent, effectively avoiding installation stress or poor sealing problems caused by misalignment of multiple independent parts. Secondly, the symmetrical design ensures the uniformity of load distribution, preventing excessive unidirectional force on the photovoltaic panel 7 supported by the clamping plate 401, which could cause the support column to shift. The force from the two adjacent photovoltaic panels 7 is symmetrically transmitted through the clamping plate 401 to the shared clamping column 402, and then downwards to the support assembly 3, forming a balanced and efficient force flow path, which greatly enhances the wind resistance and deformation resistance of the entire array, resulting in excellent structural stability.

[0041] More preferably, the photovoltaic panel 7 is arc-shaped, arching upwards away from the insulation layer 2 along the first direction. The arc-shaped surface naturally forms a drainage slope, allowing rainwater, dust, and other pollutants to quickly slide off along the curved surface, effectively reducing their accumulation on the panel. This not only enhances the self-cleaning ability of the photovoltaic panel 7, ensuring its power generation efficiency, but also works in conjunction with the lower guide channel 302 and drainage channel 5 to guide and discharge collected rainwater more quickly and centrally, avoiding the risk of rainwater accumulating and seeping on the panel. Secondly, this arched structure is a highly efficient structural form, significantly enhancing the rigidity and load-bearing capacity of the photovoltaic panel 7 itself. When subjected to rain, snow, or wind pressure, it can distribute the load more evenly to the connectors 4 and support components 3 on both sides, thereby improving the deformation resistance and stability of the entire roof system. In addition, the arched roof also facilitates the formation of ventilation and heat dissipation channels, promoting airflow on the back of the photovoltaic panel 7, effectively reducing the operating temperature of the module, further improving power generation efficiency and extending its service life.

[0042] More preferably, the radial width of the end of the drainage channel 5 furthest from the guide channel 6 is greater than the radial width of the other end of the drainage channel 5. This wider inlet end forms a funnel-shaped water collection area, efficiently catching and quickly gathering rainwater flowing in from the joints of the larger photovoltaic panels 7. This avoids splashing or overflowing that might occur due to excessive concentration of water at the inlet, ensuring a high rainwater capture rate. Subsequently, the channel width gradually narrows towards the outlet. This design accelerates the water flow velocity, allowing the water to enter the guide channel 6 smoothly with higher kinetic energy and directionality, effectively preventing slow drainage or stagnation caused by insufficient water flow velocity. Furthermore, this design also has excellent anti-clogging capabilities. The wide inlet end reduces the risk of complete blockage by small debris (such as leaf fragments, sand, etc.). Even if some debris enters, the accelerated water flow more easily washes it through the gradually narrowing channel, thus maintaining a long-term unobstructed drainage path and reducing system maintenance requirements. In summary, this invention enhances the self-cleaning ability and drainage efficiency of the entire drainage system, making it a key design for improving the long-term durability of roofs.

[0043] More preferably, the mounting base 301 includes screws 311 and locking elements 312. Screws 311 extend along the direction of gravity and pass through the profiled steel sheet 1 and the insulation layer 2. Locking elements 312, the insulation layer 2, and the profiled steel sheet 1 are distributed sequentially along the direction of gravity. Locking elements 312 are threadedly connected to screws 311 to lock the relative positions of the insulation layer 2 and the profiled steel sheet 1 in the vertical direction. Screws 311 pass vertically along the direction of gravity and are threadedly locked by the locking elements 312 at the bottom, thus firmly compressing and fixing the insulation layer 2 between the profiled steel sheet 1 and the locking elements 312. This effectively prevents the insulation layer 2 from loosening, shifting, or warping under wind suction or other vertical loads, ensuring the long-term stability of the roof system's hierarchical structure.

[0044] More preferably, the support clamp 303 includes a threaded cylinder 313 and a first clamping part 314. The threaded cylinder 313 and the first clamping part 314 are integrally connected. The opening of the first clamping part 314 faces upward. The threaded cylinder 313, the guide groove 302 and the locking member 312 are distributed sequentially along the direction of gravity. The screw 311 passes through the guide groove 302. The threaded cylinder 313 and the screw 311 are threadedly connected so that the guide groove 302 is clamped by the threaded cylinder 313 and the locking member 312 and the position of the guide groove 302 in the vertical direction is locked. By rotating the threaded cylinder 313 to screw it along the screw 311, the clamping force on the guide channel 302 can be precisely controlled, ensuring that the guide channel 302 is stably clamped between the threaded cylinder 313 and the locking member 312 below. This prevents the guide channel 302 from shifting or loosening in the vertical direction, enhancing the structural rigidity and reliability of the entire support assembly 3 when subjected to vertical forces such as wind loads, snow loads, and foot traffic during maintenance. Furthermore, this mechanical locking method is convenient to install, requiring no on-site welding or special tools, simplifying the construction process and ensuring consistent installation quality. The integrated design also avoids the potential loosening issues that can arise from connecting multiple parts, making the force transmission path more direct and efficient.

[0045] More preferably, the support clamp 303 further includes a second clamping part 315, which is symmetrically arranged with the first clamping part 314. The second clamping part 315 abuts against the clamping column 402 and is threadedly connected to the upper support plate 411. Its core advantage lies in achieving a comprehensive and secure three-dimensional clamping and fixing of the connector 4 clamping column 402. The second clamping part 315 abuts against the clamping column 402 from the other side, working in conjunction with the first clamping part 314, like jaws applying force from both sides, eliminating any possible displacement or swaying of the connector 4 in the horizontal direction, and greatly enhancing the wind resistance and overall structural stability of the upper photovoltaic panel array 7. Meanwhile, the second clamping part 315 is directly connected to the upper support plate 411 of the connector 4 via threads, forming a second layer of mechanical locking. This threaded connection tightly links the support clamp 303 to the upper load-bearing structure as a whole, further ensuring the reliability of the clamping. This design, combining symmetrical clamping and threaded locking, maximizes the rigidity and strength of the connection point without adding any additional independent components, improving the long-term durability and safety performance of the entire roofing system under complex loads.

[0046] More preferably, both the drainage channel 302 and the drainage trough 8 are made of stainless steel. Stainless steel fundamentally resists corrosion caused by rainwater, humid air, and potential acidic pollutants, ensuring the drainage channels maintain structural integrity and functional stability throughout their entire lifespan. This avoids the risks of leakage, structural failure, or roof pollution due to corrosion and perforation of the channel. The high strength and rigidity of stainless steel ensure that the drainage channels 302 and 8 are not easily deformed or crushed when subjected to the load of the upper photovoltaic array, installation stress, or occasional foot traffic. This reliably maintains the designed cross-sectional shape and drainage capacity, guaranteeing long-term unobstructed drainage. The smooth surface and low coefficient of friction of stainless steel facilitate rapid rainwater flow and reduce dirt adhesion, providing a degree of self-cleaning and further reducing maintenance requirements.

[0047] More preferably, a limiting ring 9 is connected to one end of the clamping column 402. The limiting ring 9 is threadedly connected to the clamping column 402 and abuts against the clamping plate 401. The limiting ring 9 is used to prevent the photovoltaic panel 7 clamped in the clamping plate 401 from shifting in the first horizontal direction. By screwing the limiting ring 9 to make it tightly abut against the clamping plate 401, this device provides a robust and reliable mechanical limiting point for the end of the photovoltaic panel 7 clamped in the clamping plate 401, effectively resisting the longitudinal slippage tendency caused by wind load, thermal expansion and contraction, or vibration, ensuring that the position of each panel in the entire photovoltaic array is always accurately aligned. This not only greatly enhances the system's wind resistance and overall structural integrity under severe weather conditions, but is also particularly suitable for inclined photovoltaic roofs, preventing the photovoltaic panel 7 from accidentally slipping off. The limiting ring 9 has a simple structure and is easy to adjust. Installation and fastening can be completed with a simple screwing operation, making it an efficient and reliable solution for achieving precise positioning and long-term stability of the photovoltaic panel 7.

[0048] This invention includes, but is not limited to, the following beneficial effects:

[0049] This invention constructs a highly efficient and proactive three-dimensional drainage system through the drainage channel 5 and the drainage channel 6 connected within the guide channel 302, the diversion channel 8, and the connector 4. This system can quickly collect rainwater intruding through the joints of the photovoltaic panel 7 at the source, and through multi-stage guidance, ultimately discharge the water orderly out of the roof, preventing water from falling into the cavity below the photovoltaic panel 7. This not only avoids the erosion of the insulation layer 2 and the aging of the waterproof layer caused by a humid environment, but also effectively improves the waterproof reliability of the roof under extreme weather conditions such as heavy rain, significantly extending the overall service life.

[0050] In terms of structural stability, a multi-layered constraint system combining rigidity and flexibility is constructed by employing symmetrical clamping with support clamps 303, an integrated design of double clamping plates 401, and limiting rings 9 for positioning. This system not only achieves precise positioning and secure installation of the photovoltaic panels 7, effectively resisting wind, snow loads, and thermal displacement, but also enhances the overall rigidity of the roof and the uniformity of load distribution by coordinating with the main structure through components such as drainage channels 8. The direct result is a significant improvement in the wind resistance and long-term operational stability of the photovoltaic array.

[0051] In the description of this specification, references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of those different embodiments or examples.

[0052] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "a plurality of" means two or more, unless otherwise explicitly specified.

[0053] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any person skilled in the art can easily conceive of various variations or substitutions within the technical scope disclosed in this application, and these should all be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A photovoltaic roof connection structure and photovoltaic roof, characterized by, The utility model relates to a kind of photovoltaic support structure, including: Profiled steel sheet (1), the profiled steel sheet (1) is used to bear use load; Thermal insulation layer (2), the thermal insulation layer (2) is covered on the profiled steel sheet (1) and is supported by the profiled steel sheet (1); Multiple support assemblies (3), multiple the support assemblies (3) are spacedly installed on the thermal insulation layer (2), the support assembly (3) includes installation base (301), flow guide groove (302) and support clamp (303), the installation base (301) is spacedly installed on the thermal insulation layer (2) and is arranged along the first horizontal direction, the flow guide groove (302) is arranged along the first horizontal direction and is connected with the installation base (301), the opening of the flow guide groove (302) is towards away from the thermal insulation layer (2), the support clamp (303) is installed in the recess of the flow guide groove (302), the support clamp (303) is spacedly arranged along the first direction and is connected with the installation base (301); Multiple connecting pieces (4), wherein the connecting piece (4) is arranged along the first direction and is clamped by multiple the support clamp (303), the connecting piece (4) includes clamping plate (401) and clamping column (402), the clamping plate (401) is integrally connected with the clamping column (402) and is arranged, the clamping plate (401) is arranged in parallel along the first horizontal direction, the clamping plate (401) includes upper support plate (411) and lower support plate (412), the upper support plate (411) is provided with multiple hydrophobic channels (5);The flow guide channel (6) is opened in the clamping column (402), both ends of the flow guide channel (6) are connected with outside, one end of the flow guide channel (6) is towards the opening of the flow guide groove (302), the other end of the flow guide channel (6) is communicated with the hydrophobic channel (5); Photovoltaic panel (7), the photovoltaic panel (7) is arranged along the first horizontal direction, and opposite ends of the photovoltaic panel (7) are respectively inserted in adjacent and horizontally spacedly arranged in one of the clamping plate (401).

2. The photovoltaic roofing connection structure and photovoltaic roofing according to claim 1, characterized in that, The support assembly (3) further includes drainage groove (8), the drainage groove (8) is arranged immediately below the junction of two photovoltaic panels (7) and abuts two photovoltaic panels (7), both ends of the drainage groove (8) are respectively connected with one of two adjacent flow guide grooves (302), and the drainage groove (8) is used to drain rainwater falling from the junction of two photovoltaic panels (7) to the flow guide groove (302).

3. The photovoltaic roofing connection structure and photovoltaic roofing according to claim 1, characterized in that, The clamping plate (401) is provided with two, and the two clamping plates (401) are symmetrically arranged on the same clamping column (402).

4. The photovoltaic roofing connection structure and photovoltaic roofing according to claim 1, characterized in that, The photovoltaic panel (7) is arc-shaped, and the photovoltaic panel (7) is arched upwards away from the thermal insulation layer (2) along the first direction.

5. The photovoltaic roofing connection structure and photovoltaic roofing according to claim 1, characterized in that, The radial width of one end of the hydrophobic channel (5) away from the flow guide channel (6) is greater than the radial width of the other end of the hydrophobic channel (5).

6. The photovoltaic roofing connection structure and photovoltaic roofing according to claim 1, characterized in that, The mounting base (301) comprises a screw (311) and a locking piece (312), the screw (311) is arranged along the gravity direction and penetrates the profiled steel sheet (1) and the thermal insulation layer (2), the locking piece (312), the thermal insulation layer (2) and the profiled steel sheet (1) are sequentially distributed along the gravity direction, and the locking piece (312) is threadedly connected with the screw (311) to lock the relative position of the thermal insulation layer (2) and the profiled steel sheet (1) in the vertical direction.

7. The photovoltaic roofing connection structure and photovoltaic roofing according to claim 6, characterized in that, The supporting clamp (303) comprises a threaded cylinder (313) and a first clamping part (314), the threaded cylinder (313) is integrally connected with the first clamping part (314), the opening of the first clamping part (314) faces upward, the threaded cylinder (313), the flow guide groove (302) and the locking piece (312) are sequentially distributed along the gravity direction, the screw (311) penetrates the flow guide groove (302), and the threaded cylinder (313) is threadedly connected with the screw (311) to clamp and lock the flow guide groove (302) by the threaded cylinder (313) and the locking piece (312) and lock the position of the flow guide groove (302) in the vertical direction.

8. The photovoltaic roofing connection structure and photovoltaic roofing according to claim 7, characterized in that, The supporting clamp (303) further comprises a second clamping part (315), the second clamping part (315) is symmetrically arranged with the first clamping part (314), the second clamping part (315) abuts against the clamping column (402), and the second clamping part (315) is threadedly connected with the upper support plate (411).

9. The photovoltaic roofing connection structure and photovoltaic roofing according to claim 2, characterized in that, The flow guide groove (302) and the drainage groove (8) are both made of stainless steel material.

10. The photovoltaic roofing connection structure and photovoltaic roofing according to claim 1, characterized in that, One end of the clamping column (402) is connected with a limiting ring (9), the limiting ring (9) is threadedly connected with the clamping column (402) and abuts against the clamping plate (401), and the limiting ring (9) is used for preventing the photovoltaic panel (7) clamped on the clamping plate (401) from being displaced in the first horizontal direction.

Images