Assembling device, system and method for installing building integrated photovoltaics (BIPV) on flat roof of existing building

Abstract

The invention belongs to the technical field of existing building transformation, and particularly relates to an assembling device, system and method for installing a building integrated photovoltaics (BIPV) on a flat roof of an existing building. The device comprises a porous spherical base, a vertical rod, a posture adjusting module and a galvanized steel beam, a plurality of porous sphere bases are arranged, and each porous sphere base is provided with a placement groove; the bottom ends of the vertical rods are inserted into the placing grooves, and the top ends of the vertical rods are connected with the galvanized steel beam through the posture adjusting modules. Building photovoltaic integration is achieved, the influence of wind pressure and upward pulling force generated by strong wind on photovoltaic components is effectively avoided, and the risk that the photovoltaic components are damaged by wind loads is eradicated. The device can be arranged in a sheet mode, the generating capacity is large, and overhauling and cleaning are convenient and safe. The porous sphere base has the function of being connected with the vertical rod and also serves as a point type movable balancing weight, pressure damage to an original roof waterproof and heat preservation material is greatly reduced, transportation is convenient, and installation is fast. According to the invention, standardized design and batch production are realized.

Description

Technical Field

[0001] The present invention belongs to the technical field of existing building reconstruction, and specifically relates to an assembly device, system and method for installing BIPV on a flat roof of an existing building. Background Art

[0002] In the past two years, in order to implement the development strategy of green building action implementation plans in various regions, promote energy conservation and emission reduction, green development, and establish a scientific and feasible green energy-saving path with corporate characteristics, it is necessary to gradually implement photovoltaic integration technology in the renovation of existing buildings, such as the use of BIPV on the roofs of existing buildings, which has a strong application prospect. BIPV (Building Integrated Photovoltaic) is a technology that integrates solar power generation (photovoltaic) products into buildings. BIPV is different from the form of BAPV (Building Attached Photovoltaic) in which photovoltaic systems are attached to buildings. Photovoltaic building integration can be divided into two categories: one is the combination of photovoltaic arrays and buildings. The other is the integration of photovoltaic arrays and buildings. Such as photovoltaic tile roofs, photovoltaic curtain walls and photovoltaic skylights. Among these two methods, the combination of photovoltaic arrays and buildings is a common form, especially the combination with building roofs, because it has many advantages such as "high returns" and stable electricity consumption. At present, the most popular market is to install photovoltaic module panels on the roofs that have been built.

[0003] At present, 99% of the masonry structures designed in the early stage of oil fields are flat-roof buildings, which are mainly located in windy, cold and severe cold areas. The conventional practice of installing photovoltaic components on the flat roofs of existing buildings (where the load meets the requirements) will damage the original roof structure and construction, wind pressure and uplift force will damage photovoltaic components, and cleaning will be inconvenient, maintenance safety is low, and construction is difficult. These problems are particularly critical.

[0004] For example, the invention patent with the authorization announcement number CN113914531B ​​provides an assembled BIPV photovoltaic roof system similar to a "strip table". The photovoltaic panels are set on the main steel structure (similar to the legs of a strip table), and the main steel structure is placed on the roof. The structure is relatively simple and well realizes the integration of photovoltaic buildings. However, for areas with strong winds and sandstorms, such a structure will inevitably damage the roof of the building if the steel structure is fixed to the roof of the building, which may cause roof leaks at the least, and deformation, cracks or even collapse of the house at the worst. For example, in the invention application with the publication number CN113846806 A, an assembled photovoltaic roof and its assembly construction method are disclosed, which is to fix the photovoltaic panels on the roof by means similar to expansion screws. Due to the pre-opening of the expansion screws on the roof, it will cause safety hazards such as roof leaks at the least and cracks in the house at the worst. If the steel structure in CN113914531B ​​is placed directly on the roof without any fixation, the assembled BIPV photovoltaic roof system may be moved as a whole or even the photovoltaic panels may break or blow off the roof due to the strong wind and sand in the area, which poses certain safety hazards. In order to solve the technical problem of being blown off by wind, for example, the utility model patent with the authorization announcement number CN204376812 U provides a flat roof photovoltaic support structure, which uses piers to counterweight the steel structure in CN113914531B ​​so that it can be stably placed on the roof. This method effectively increases the weight of the photovoltaic panel and has a safe and stable effect. However, the piers used are rectangular or cubic structures as a whole and are prefabricated with concrete. They are not easy to move and will cause many inconveniences during transportation, construction and maintenance. In addition, if the steel structure in CN113914531B ​​is directly inserted into the pier, either the gap between the pier and the steel structure is ignored, which will cause the risk of being blown off by strong winds over time; or the gap between the pier and the steel structure is filled with concrete or cement. Although it has a tightening effect, the overall mobility and convenience of maintenance are not high. Summary of the invention

[0005] The present invention provides an assembly device, system and method for installing BIPV on the flat roof of an existing building. One of the purposes is to provide a device that can effectively avoid the influence of wind pressure and upward pull force generated by strong winds on photovoltaic components, thereby eliminating the risk of photovoltaic components being damaged by wind loads; the second purpose is to provide an assembly system that integrates building photovoltaics, is arranged in a double-slope roof form, has a large paving area, a large power generation capacity, and is easy to clean, thereby ensuring the safety of maintenance and cleaning personnel; the third purpose is to provide an assembly system that has a small contact surface with the original roof, reduces pressure damage to the original roof waterproofing and thermal insulation materials, is easy to transport, and is quick to install; the fourth purpose is to provide an assembly system and method that can realize standardized design, factory-based mass production, and rapid on-site installation, is easy to control project quality, and conforms to the national idea of ​​promoting green design.

[0006] To achieve the above object, the technical solution adopted by the present invention is: An assembly device for installing BIPV on the flat roof of an existing building, comprising a porous spherical base, a vertical pole, a posture adjustment module and a galvanized steel beam; a plurality of the porous spherical bases are provided, each of which is provided with an insertion groove; the bottom end of the vertical pole is inserted into the insertion groove, and the top end of the vertical pole is connected to the galvanized steel beam used for connecting and fixing the BIPV through the posture adjustment module.

[0007] It also includes an outer sleeve; the outer sleeve is placed in the insertion groove; the vertical rod is connected with the porous spherical base through the outer sleeve.

[0008] The porous spherical base is spherical, and a plurality of insertion grooves are arranged on the spherical surface; a fixed sleeve is fixedly connected to the center position of the bottom surface of the insertion groove.

[0009] The vertical rod is a square or round columnar structure; a locking device is arranged on the outer sleeve.

[0010] There are two or more locking devices; the multiple locking devices are connected to the inner wall of the outer sleeve symmetrically or staggered vertically; each locking device adopts an elastic wedge-shaped buckle; the lower outer diameter of the elastic wedge-shaped buckle is smaller than the upper outer diameter.

[0011] The pole locking device also includes a connecting bolt; a through hole is radially opened on the upper part of the pole; the connecting bolt passes through the outer sleeve and the pole horizontally to connect and fix the outer sleeve and the pole.

[0012] The posture adjustment module comprises a lower plate, an upper plate and two pairs of telescopic frames arranged in parallel; the lower plate and the upper plate are connected by two pairs of telescopic frames; the structures of the lower plate and the upper plate are the same; the upper plate is a square plate, and an angle adjustment mechanism is symmetrically connected to two opposite sides of one surface of the square plate; each of the angle adjustment mechanisms comprises a first fixing member, a linkage rod, a sliding rod and a second fixing member; two first fixing members are arranged in parallel, and one end of each first fixing member is rotatably connected to the edge of the upper plate; the second fixing member is fixedly connected to the upper plate and placed between the two first fixing members, and the second fixing member is arranged parallel to the first fixing member; each pair of telescopic frames is movably connected in an X shape by two legs, and the two legs extending in the same direction of the two telescopic frames are slidably connected to the two first fixing members, respectively, and the two legs are connected by a horizontally arranged linkage rod; one end of the sliding rod is connected to the linkage rod, and the other end of the sliding rod is slidably connected to the second fixing member.

[0013] The second fixing member has the same structure as the first fixing member but different lengths; the length of the second fixing member is smaller than that of the first fixing member; the first fixing member has a U-shaped cross section, and strip-shaped through holes are symmetrically opened along the axial direction on the two side walls, and the bottom end of the support leg is slidably connected in the strip-shaped through holes.

[0014] An assembly system for installing BIPV on the flat roof of an existing building, comprising at least an existing roof, with a parapet provided at the edge of the existing roof; also comprising a color steel plate, a waterproof membrane, a BIPV plate and an assembly device for installing BIPV on the flat roof of an existing building; in the non-drainage direction of the BIPV, the waterproof membrane extends downward from the outer periphery of a galvanized steel beam to the existing roof, and extends to the parapet; a color steel plate is provided between the waterproof membrane and the existing roof; cement mortar and sealant are filled between the waterproof membrane and the galvanized steel beam, and between the waterproof membrane and the parapet of the existing roof.

[0015] A method for installing and using an assembly system for installing BIPV on a flat roof of an existing building comprises the following steps: Step 1: multiple porous spherical bases are arranged in a matrix on the existing roof, and a vertical pole is inserted into each porous spherical base; Step 2: Connect the posture adjustment module to the top of each pole; Step 3: Connect the galvanized steel beam to the posture adjustment module; Step 4: Lay BIPV panels on the galvanized steel beams; Step 5: Lay cement mortar and sealant on the existing roof and the parapet of the existing roof, and extend the waterproof membrane from the outer periphery of the galvanized steel beam downward to the existing roof and extend it to the parapet.

[0016] Beneficial effects: (1) The present invention is composed of a porous spherical base, a vertical pole, a posture adjustment module and a galvanized steel beam. The present invention integrates building photovoltaics, effectively avoiding the impact of wind pressure and upward pull generated by strong winds on photovoltaic components, and eliminating the risk of photovoltaic components being damaged by wind loads.

[0017] (2) The present invention can be arranged in pieces, with a large laying area, large power generation capacity, and convenient and safe maintenance and cleaning.

[0018] (3) The porous spherical base of the present invention not only has the function of connecting the vertical poles, but also can be used as a point-type movable counterweight. The porous spherical base is spherical, and its contact surface with the original roof is small, which greatly reduces the pressure damage to the original roof waterproofing and insulation materials.

[0019] (4) The porous spherical base of the present invention is spherical, which is easy to transport and move, and quick to install.

[0020] (5) Each component in the present invention can be designed in a standardized manner, mass-produced in factories, and quickly installed on site, which facilitates the control of engineering quality.

[0021] (6) The configuration of the posture adjustment module in the present invention can facilitate the adjustment of height and inclination angle.

[0022] (7) In the present invention, a plurality of insertion grooves are arranged on the porous spherical base. During the rolling or moving process of the porous spherical base, there is always one insertion groove basically facing upward, which is convenient for inserting the vertical rod. There is no need to consider the front and back or up and down issues of the porous spherical base, so that the connection between the vertical rod and the porous spherical base is convenient and fast.

[0023] (8) The porous spherical base of the present invention adopts a spherical structure, so that the friction between the porous spherical base and the existing roof is relatively small during the movement or rolling process, and it will not be fixed by expansion screws, etc., which well protects the structure of the existing roof and will not cause damage to the existing roof or cracks, thereby increasing the service life of the existing roof.

[0024] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0026] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic cross-sectional structure diagram of the porous spherical base used in the present invention; Figure 3 It is a schematic diagram of the structure of the connection between the porous spherical base and the vertical pole adopted in the present invention; Figure 4 It is a schematic structural diagram of the outer sleeve and the porous spherical base used in the present invention when they are clamped together; Figure 5 It is a schematic diagram of the structure in which the porous spherical base provided by the present invention is connected to the galvanized steel beam through a vertical rod; Figure 6 Schematic diagram of the structure of the posture adjustment module used in the present invention; Figure 7 It is a structural schematic diagram of the connection state between the assembly system for installing BIPV on the flat roof of an existing building provided by the present invention and the existing roof; Figure 8 It is a top-down structural schematic diagram of an assembly system for installing BIPV on an existing flat roof of an existing building.

[0027] In the figure: 1. porous sphere base; 2. vertical pole; 3. posture adjustment module; 4. galvanized steel beam; 5. color steel plate; 6. existing roof; 7. waterproof membrane; 8. BIPV board; 11. outer sleeve; 12. locking device; 13. insertion groove; 14. connecting bolt; 15. fixing sleeve; 31. lower plate; 32. upper plate; 33. first fixing piece; 34. linkage rod; 35. sliding rod; 36. second fixing piece; 37. telescopic frame. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] Embodiment 1: according to Figure 1-Figure 8 An assembly device for installing BIPV on a flat roof of an existing building is shown, comprising a porous spherical base 1, a vertical pole 2, a posture adjustment module 3 and a galvanized steel beam 4; a plurality of the porous spherical bases 1 are provided, and each porous spherical base 1 is provided with an insertion groove 13; the bottom end of the vertical pole 2 is inserted into the insertion groove 13, and the top end of the vertical pole 2 is connected to the galvanized steel beam 4 for connecting and fixing the BIPV through the posture adjustment module 3.

[0030] In actual use, a plurality of porous spherical bases 1 are arranged in a matrix on the existing roof 6, and a vertical pole 2 is inserted into each porous spherical base 1; a posture adjustment module 3 is connected to the top of each vertical pole 2; then the galvanized steel beam 4 is connected to the posture adjustment module 3; then, the BIPV panel 8 is laid on the galvanized steel beam 4; then, cement mortar and sealant are laid on the existing roof 6 and the parapet of the existing roof 6, and the waterproof membrane 7 is extended downward from the outer periphery of the galvanized steel beam 4 to the existing roof 6 and extended to the parapet, thereby completing the installation of BIPV on the existing roof 6.

[0031] The insertion groove 13 in this embodiment is arranged along the radial direction of the porous spherical base 1 , so as to ensure that the center of gravity of the vertical rod 2 is stable after being inserted into the porous spherical base 1 .

[0032] The present invention is organically composed of a porous spherical base, a vertical pole, a posture adjustment module and a galvanized steel beam. The present invention integrates building photovoltaics, effectively avoids the influence of wind pressure and upward pull force generated by strong winds on photovoltaic components, and eliminates the risk of photovoltaic components being damaged by wind loads. The present invention can be arranged in pieces, with a large laying area, large power generation, and convenient and safe maintenance and cleaning. The porous spherical base in the present invention not only has the function of connecting the vertical poles, but also can be used as a point-type movable counterweight. The porous spherical base is spherical, and its contact surface with the original roof is small, which greatly reduces the pressure damage to the original roof waterproofing and thermal insulation materials. The various components in the present invention can realize standardized design, factory-based mass production, and rapid on-site installation, which is convenient for engineering quality control. The setting of the posture adjustment module in the present invention can facilitate the adjustment of height and inclination.

[0033] Embodiment 2: according to Figure 3-Figure 8 The assembly device shown is used to install BIPV on the flat roof of an existing building. The difference from the first embodiment is that it also includes an outer sleeve 11; the outer sleeve 11 is placed in the insertion groove 13; the vertical rod 2 is connected to the porous spherical base 1 through the outer sleeve 11.

[0034] In actual use, in order to quickly insert the vertical rod 2 into the porous spherical base 1, an outer sleeve 11 is provided in the insertion groove 13 in this embodiment, that is, the porous spherical base 1 is first rolled or moved to the position to be set, and then the outer sleeve 11 is inserted into the insertion groove 13 of the vertical rod 2 to be inserted, and then the vertical rod 2 is inserted into the outer sleeve 11, which can effectively avoid the presence of foreign matter in the insertion groove 13, which makes it impossible for the vertical rod 2 to be conveniently inserted into the porous spherical base 1. Through the provision of the outer sleeve 11, the vertical rod 2 can be conveniently inserted directly into the outer sleeve 11, which improves work efficiency.

[0035] Generally speaking, the inner diameter of the outer sleeve 11 is slightly larger than the outer diameter of the vertical pole 2, ensuring that the gap between the outer sleeve 11 and the vertical pole 2 is relatively reduced, increasing the friction between the outer sleeve 11 and the vertical pole 2, and preventing the BIPV panel 8 from being uprooted from the porous spherical base 1 together with the vertical pole 2 under the action of strong winds, thereby avoiding certain safety hazards.

[0036] Embodiment three: according to Figure 1-Figure 5 , Figure 7 The assembly device shown is used to install BIPV on the flat roof of an existing building. The difference from Example 1 or Example 2 is that the porous sphere base 1 is spherical and has a plurality of insertion grooves 13 on the spherical surface; a fixed sleeve 15 is fixedly connected to the center position of the bottom surface of the insertion groove 13.

[0037] In actual use, the porous spherical base has the function of connecting the vertical poles and can also be used as a point-type movable counterweight. The porous spherical base 1 adopts a spherical design. On the one hand, the spherical counterweight is relatively convenient during transportation and assembly, and the porous spherical base 1 can be quickly moved to the position where it needs to be set by rolling; furthermore, there are multiple insertion grooves 13 on the porous spherical base 1. During rolling or moving, the vertical pole 2 can be directly inserted into the insertion groove 13 for easy insertion, without having to consider the front and back or up and down of the porous spherical base 1. As long as it can be inserted into the insertion groove 13, the vertical pole 2 can be connected to the porous spherical base 1, which plays a role of rapid connection. In addition, the porous spherical base 1 adopts a spherical shape. During the movement or rolling process, the friction with the existing roof 6 is relatively small, and it will not be fixed by expansion screws, etc., which well protects the structure of the existing roof 6, does not cause damage to the existing roof 6, cracks, etc., and increases the service life of the existing roof 6.

[0038] The fixing sleeve 15 which is fixedly connected to the center of the bottom surface of the groove 13 is used for the function of stable connection with the outer sleeve 11 .

[0039] Embodiment 4: according to Figure 1 , Figure 3-Figure 5 and Figure 7 The assembly device shown is used for installing BIPV on the flat roof of an existing building. The difference from the first embodiment is that the vertical pole 2 is a square or round columnar structure; and a locking device 12 is provided on the outer sleeve 11.

[0040] In actual use, a locking device 12 is provided on the outer sleeve 11. When the outer sleeve 11 slides downward along the inner wall of the insertion groove 13, the bottom of the locking device 12 provided on the outer sleeve 11 gradually penetrates into the gap between the fixed sleeve 15 and the insertion groove 13, and the outer sleeve 11 can be locked. After the vertical rod 2 is inserted into the outer sleeve 11, the stability of the connection between the vertical rod 2 and the porous spherical base 1 is ensured.

[0041] Embodiment five: according to Figure 3-Figure 5 The assembly device shown is used for installing BIPV on the flat roof of an existing building, which is different from the fourth embodiment in that: two or more locking devices 12 are provided; multiple locking devices 12 are connected to the inner wall of the outer sleeve 11 symmetrically or staggered vertically; each of the locking devices 12 adopts an elastic wedge-shaped buckle; the lower outer diameter of the elastic wedge-shaped buckle is smaller than the upper outer diameter.

[0042] In actual use, the more locking devices 12 are set, the better the stability of the connection between the outer sleeve 11 and the porous spherical base 1, but the complexity of the vertical rod is increased. The specific number of settings is preferably such that the vertical rod 2 can be stably connected to the porous spherical base 1.

[0043] When it is necessary to repair the vertical pole 2 or the entire BIPV panel 8, the porous spherical base 1 is fixed, or the position of the porous spherical base 1 is maintained, and the vertical pole 2 is directly pulled out from the outer sleeve 11 to carry out subsequent operations.

[0044] Embodiment six: according to Figure 3 The assembly device shown is used to install BIPV on the flat roof of an existing building. It differs from the fifth embodiment in that: the locking device 12 also includes a connecting bolt 14; the upper part of the vertical pole 2 is provided with a through hole in the radial direction; the connecting bolt 14 horizontally passes through the outer sleeve 11 and the vertical pole 2 to connect and fix the outer sleeve 11 and the vertical pole 2.

[0045] In actual use, in order to further fix the upright pole 2 and the outer sleeve 11 to make them more secure, the present embodiment is designed with a connecting bolt 14. The connecting bolt 14 directly penetrates the upright pole 2 and the outer sleeve 11 along the radial direction of the upright pole 2, which undoubtedly adds a safety factor under the premise of the aforementioned locking device 12.

[0046] Embodiment seven: according to Figure 1 , Figure 5 and Figure 6The assembly device for installing BIPV on the flat roof of an existing building shown in the figure is different from the first embodiment in that: the posture adjustment module 3 includes a lower plate 31, an upper plate 32 and two pairs of telescopic frames 37 arranged in parallel; the lower plate 31 and the upper plate 32 are connected by two pairs of telescopic frames 37; the lower plate 31 and the upper plate 32 have the same structure; the upper plate 32 is a square plate, and an angle adjustment mechanism is symmetrically connected to two opposite sides of one surface of the square plate; each of the angle adjustment mechanisms includes a first fixing member 33, a linkage rod 34, a sliding rod 35 and a second fixing member 36; the first fixing member 33 is parallel to Two first fixing members 33 are provided, and one end of each first fixing member 33 is rotatably connected to the edge of the upper plate 32; the second fixing member 36 is fixedly connected to the upper plate 32 and placed between the two first fixing members 33, and the second fixing member 36 is arranged parallel to the first fixing member 33; each pair of the telescopic frames 37 is movably connected by two legs in an X shape, and the two legs extending in the same direction of the two telescopic frames 37 are slidably connected to the two first fixing members 33, respectively, and the two legs are connected by a horizontally arranged linkage rod 34; one end of the sliding rod 35 is connected to the linkage rod 34, and the other end of the sliding rod 35 is slidably connected to the second fixing member 36.

[0047] In actual use, considering that the position of the BIPV panel 8 is not absolutely horizontal during assembly, especially when it is laid on the galvanized steel beam 4, the present invention is provided with a posture adjustment module 3 between the upright 2 and the galvanized steel beam 4. In order to facilitate the connection between the lower plate 31 and the upright 2, a connecting seat is also provided on the lower plate surface of the lower plate 31. The galvanized steel beam 4 is laid on the upper plate 32 and connected by bolts. Due to the presence of the X-shaped telescopic frame 37, the relative height between the lower plate 31 and the upper plate 32 can be adjusted, that is, the position of the galvanized steel beam 4 above the porous sphere base 1, especially the height, can be fine-tuned to adapt to the adjustment and installation of the BIPV panel 8.

[0048] Only height adjustment is not enough to meet the adjustment and installation of the BIPV panel 8, and sometimes different angles need to be adjusted. For this reason, the present embodiment also adds an angle adjustment device. In the present embodiment, one end of the first fixing member 33 is rotatably connected to the edge of the upper plate 32 by a hinge. Since one end of the two first fixing members 33 is movably connected to the upper plate 32 by a hinge, and the other end is a free end, the free end of the first fixing member 33 can rotate around the axial direction of the hinge; in addition, when the sliding rod 35 is in the second fixing member 36 and moves along the axial direction of the second fixing member 36, it is bound to drive the two legs of the X-type telescopic frame 37 to move in the axial direction of the first fixing member 33 through the linkage rod 34. When the two legs of the X-type telescopic frame 37 move to the end of the first fixing member 33 (close to the hinge connection end), when the sliding rod 35 continues to move along the axial direction of the second fixing member 36, the first fixing member 33 will inevitably rotate around the axial direction of the hinge. At this time, the lower plate 31 and the upper plate 32 are not arranged in parallel, thereby forming a certain angle, and realizing relative angle adjustment.

[0049] Embodiment eight: according to Figure 6 The assembly device shown is used to install BIPV on the flat roof of an existing building, which is different from the seventh embodiment in that: the second fixing member 36 and the first fixing member 33 have the same structure but different lengths; the length of the second fixing member 36 is smaller than the length of the first fixing member 33; the first fixing member 33 has a U-shaped cross-section, and strip-shaped through holes are opened axially symmetrically on the two side walls, and the bottom end of the support leg is slidably connected in the strip-shaped through hole.

[0050] In actual use, the strip-shaped through hole provided on the first fixing member 33 enables the two legs on the telescopic frame 37 to not only slide along the strip-shaped through hole, but also limit the movement trajectory of the legs.

[0051] Embodiment nine: according to Figure 1-Figure 8 As shown, an assembly system for installing BIPV on the flat roof of an existing building includes at least an existing roof 6, and a parapet is arranged at the edge of the existing roof 6; it also includes at least a color steel plate 5, a waterproof membrane 7, a BIPV plate 8 and an assembly device for installing BIPV on the flat roof of an existing building; in the non-drainage direction of the BIPV, the waterproof membrane 7 extends downward from the outer periphery of the galvanized steel beam 4 to the existing roof 6, and extends to the parapet; a color steel plate 5 is arranged between the waterproof membrane 7 and the existing roof 6; cement mortar and sealant are filled between the waterproof membrane 7 and the galvanized steel beam 4, and between the waterproof membrane 7 and the parapet of the existing roof 6.

[0052] In actual use, the waterproofing coiled material 7 is laid on the color steel plate 5, and the waterproofing of the existing roof 6 is consolidated and enhanced without damaging the structure of the existing roof 6.

[0053] Embodiment ten: according to Figure 1-Figure 8 As shown, a method for installing and using an assembly system for installing BIPV on a flat roof of an existing building includes the following steps: Step 1: multiple porous spherical bases 1 are arranged in a matrix on the existing roof 6, and a vertical pole 2 is inserted into each porous spherical base 1; Step 2: Connect the posture adjustment module 3 to the top of each upright pole 2; Step 3: Connect the galvanized steel beam 4 to the posture adjustment module 3; Step 4: Lay the BIPV board 8 on the galvanized steel beam 4; Step 5: Lay cement mortar and sealant on the existing roof 6 and the parapet of the existing roof 6, and extend the waterproof membrane 7 from the outer periphery of the galvanized steel beam 4 downward to the existing roof 6 and extend it to the parapet.

[0054] The present invention integrates building photovoltaics, effectively avoiding the influence of wind pressure and upward pull force generated by strong winds on photovoltaic components, and eliminating the risk of photovoltaic components being damaged by wind loads. The present invention can be arranged in pieces, with a large laying area, large power generation, and convenient and safe maintenance and cleaning. The porous spherical base in the present invention not only has the function of connecting the vertical poles, but also can be used as a point-type movable counterweight. The porous spherical base is spherical, and its contact surface with the original roof is small, which greatly reduces the pressure damage to the original roof waterproofing and insulation materials. The porous spherical base in the present invention is spherical, easy to transport and move, and quick to install. The various components in the present invention can realize standardized design, factory-based mass production, and rapid on-site installation, which is convenient for engineering quality control. The setting of the posture adjustment module in the present invention can easily adjust the height and inclination. In the present invention, a plurality of insertion grooves are arranged on the porous spherical base. During the rolling or moving process of the porous spherical base, there is always one insertion groove that is basically facing upward, which is convenient for inserting the vertical pole, and there is no need to consider the front and back or up and down problems of the porous spherical base, so that the connection between the vertical pole and the porous spherical base is convenient and fast. In the present invention, the porous spherical base adopts a spherical structure, so that during the moving or rolling process of the porous spherical base, the friction between the porous spherical base and the existing roof is relatively small, and it will not be fixed by expansion screws, etc., which well protects the structure of the existing roof, does not cause damage to the existing roof, cracks, etc., and increases the service life of the existing roof.

[0055] In the absence of conflicts, technicians in this field can combine the relevant technical features in the above examples according to actual conditions to achieve corresponding technical effects. The specific combinations are not described here one by one.

[0056] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0057] In addition, the descriptions of "first", "second", etc. in the present invention are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features.

[0058] The above are only preferred embodiments of the present invention. The present invention will not be limited to the embodiments shown herein, but should conform to the widest scope consistent with the principles and novel features disclosed herein. Any simple modification, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. An assembly device for installing BIPV on the flat roof of an existing building, characterized in that: It comprises a porous spherical base (1), a vertical pole (2), a posture adjustment module (3) and a galvanized steel beam (4); a plurality of the porous spherical bases (1) are provided, and each porous spherical base (1) is provided with an insertion groove (13); the bottom end of the vertical pole (2) is inserted into the insertion groove (13), and the top end of the vertical pole (2) is connected to the galvanized steel beam (4) used for connecting and fixing the BIPV through the posture adjustment module (3).

2. The assembly device for installing BIPV on the flat roof of an existing building as claimed in claim 1, characterized in that: It also comprises an outer sleeve (11); the outer sleeve (11) is placed in the insertion groove (13); the vertical rod (2) is connected to the porous spherical base (1) through the outer sleeve (11).

3. An assembly device for installing BIPV on a flat roof of an existing building as claimed in claim 1 or 2, characterized in that: The porous spherical base (1) is spherical, and a plurality of insertion grooves (13) are arranged on the spherical surface; a fixed sleeve (15) is fixedly connected to the center position of the bottom surface of the insertion groove (13).

4. The assembly device for installing BIPV on the flat roof of an existing building as claimed in claim 1, characterized in that: The vertical pole (2) is a square or circular columnar structure; a locking device (12) is provided on the outer sleeve (11).

5. The assembly device for installing BIPV on the flat roof of an existing building as claimed in claim 4, characterized in that: Two or more locking devices (12) are provided; the multiple locking devices (12) are connected to the inner wall of the outer sleeve (11) symmetrically or staggered vertically; each locking device (12) adopts an elastic wedge-shaped buckle; the lower outer diameter of the elastic wedge-shaped buckle is smaller than the upper outer diameter.

6. The assembly device for installing BIPV on the flat roof of an existing building as claimed in claim 5, characterized in that: The locking device (12) further comprises a connecting bolt (14); a through hole is radially formed on the upper portion of the vertical pole (2); and the connecting bolt (14) passes horizontally through the outer sleeve (11) and the vertical pole (2) to connect and fix the outer sleeve (11) and the vertical pole (2).

7. The assembly device for installing BIPV on the flat roof of an existing building as claimed in claim 1, characterized in that: The posture adjustment module (3) comprises a lower plate (31), an upper plate (32) and two pairs of telescopic frames (37) arranged in parallel; the lower plate (31) and the upper plate (32) are connected via the two pairs of telescopic frames (37); the lower plate (31) and the upper plate (32) have the same structure; the upper plate (32) is a square plate, and an angle adjustment mechanism is symmetrically connected to two opposite sides of a surface of the square plate; each of the angle adjustment mechanisms comprises a first fixing member (33), a linkage rod (34), a sliding rod (35) and a second fixing member (36); two first fixing members (33) are arranged in parallel, and one of the first fixing members (33) is The second fixing member (36) is fixedly connected to the upper plate (32) and placed between the two first fixing members (33). The second fixing member (36) is arranged in parallel with the first fixing members (33). Each pair of telescopic frames (37) is movably connected in an X shape by two legs. The two legs extending in the same direction of the two telescopic frames (37) are respectively slidably connected to the two first fixing members (33). The two legs are connected by a horizontally arranged linkage rod (34). One end of the sliding rod (35) is connected to the linkage rod (34). The other end of the sliding rod (35) is slidably connected to the second fixing member (36).

8. The assembly device for installing BIPV on the flat roof of an existing building as claimed in claim 7, characterized in that: The second fixing member (36) has the same structure as the first fixing member (33) but has a different length; the length of the second fixing member (36) is shorter than the length of the first fixing member (33); the first fixing member (33) has a U-shaped cross section, and strip-shaped through holes are symmetrically opened along the axial direction on both side walls, and the bottom end of the leg is slidably connected in the strip-shaped through hole.

9. An assembly system for installing BIPV on a flat roof of an existing building, comprising at least an existing roof (6), wherein a parapet is arranged at the edge of the existing roof (6); characterized in that: The invention also comprises at least a color steel plate (5), a waterproof membrane (7), a BIPV plate (8) and an assembly device for installing BIPV on a flat roof of an existing building as described in any one of claims 1 to 8; in the non-drainage direction of the BIPV, the waterproof membrane (7) extends downward from the outer periphery of the galvanized steel beam (4) to the existing roof (6), and extends to the parapet; a color steel plate (5) is arranged between the waterproof membrane (7) and the existing roof (6); cement mortar and sealant are filled between the waterproof membrane (7) and the galvanized steel beam (4), and between the waterproof membrane (7) and the parapet of the existing roof (6).

10. The method for installing and using the assembly system for installing BIPV on the flat roof of an existing building as claimed in claim 9, characterized in that: The steps include: Step 1: arranging a plurality of porous spherical bases (1) in a matrix on an existing roof (6), and inserting a vertical rod (2) into each porous spherical base (1); Step 2: Connecting a posture adjustment module (3) to the top of each upright pole (2); Step 3: Connect the galvanized steel beam (4) to the posture adjustment module (3); Step 4: Laying a BIPV panel (8) on the galvanized steel beam (4); Step 5: Lay cement mortar and sealant on the existing roof (6) and the parapet of the existing roof (6), and extend the waterproof membrane (7) from the outer periphery of the galvanized steel beam (4) downward to the existing roof (6) and extend it to the parapet.

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