A double-layer photovoltaic curtain wall

Abstract

The present invention discloses a double-layer photovoltaic curtain wall, including an inner curtain wall and an outer curtain wall, wherein there is a cavity between the inner curtain wall and the outer curtain wall, the inner curtain wall includes a plurality of inner columns, a plurality of inner beams and a plurality of inner curtain wall panels, each inner beam is respectively connected between two adjacent inner columns, and each inner curtain wall panel is respectively installed between two adjacent inner columns and two adjacent inner beams; the characteristic is that the outer curtain wall includes a plurality of outer columns, a plurality of outer beams and a plurality of photovoltaic power generation glasses, the outer columns correspond to the inner columns one by one inside and outside, and each outer column is respectively fixedly connected to the corresponding inner column, each outer beam is respectively connected between two adjacent outer columns, and each photovoltaic power generation glass is respectively installed between two adjacent outer columns and two adjacent outer beams. The present invention integrates the functions of power generation, sound insulation, heat insulation, decoration and the like, and its outer curtain wall structure is relatively simple and easy to install. When the outer curtain wall is not needed, it only needs to be removed, which is very convenient.

Description

Technical Field

[0001] The invention relates to a curtain wall, in particular to a double-layer photovoltaic curtain wall. Background Art

[0002] With the progress and development of society, natural energy resources are decreasing and the environment is deteriorating. Energy conservation, environmental protection and the use of renewable energy are receiving more and more attention from all walks of life. Combining photovoltaic power generation with buildings is the development direction of building integrated photovoltaics (BIPV) energy, and it is the main method advocated by the country. Photovoltaic curtain wall is a type of BIPV, which is the photovoltaic power generation of buildings from the roof plane to the facade, and has a vast market of hundreds of billions of yuan. Photovoltaic curtain wall uses photovoltaic glass components to collect solar energy and convert it into electrical energy. At present, there are only single-layer photovoltaic curtain walls on the market. Summary of the invention

[0003] The present invention aims at solving the technical problems existing in the prior art and provides a double-layer photovoltaic curtain wall.

[0004] The technical solution adopted by the present invention to solve its technical problems is: a double-layer photovoltaic curtain wall, including an inner curtain wall and an outer curtain wall, a cavity is provided between the inner curtain wall and the outer curtain wall, the inner curtain wall includes a plurality of inner columns, a plurality of inner beams and a plurality of inner curtain wall panels, each inner beam is respectively connected between two adjacent inner columns, and each inner curtain wall panel is respectively installed between two adjacent inner columns and two adjacent inner beams; the outer curtain wall includes a plurality of outer columns, a plurality of outer beams and a plurality of photovoltaic power generation glasses, the outer columns correspond to the inner columns inside and outside one by one, and each outer column is respectively fixedly connected to the corresponding inner column, each outer beam is respectively connected between two adjacent outer columns, and each photovoltaic power generation glass is respectively installed between two adjacent outer columns and two adjacent outer beams.

[0005] Furthermore, the two ends of the outer cross beam are respectively fixedly connected to the corresponding outer columns by using the first angle code and bolt assemblies or screws, and the left end and / or the right end of the outer column are equipped with a column gusset plate, and the column gusset plate covers the vertical side of the first angle code and the bolt assembly or screw thereon; the upper end and / or the lower end of the outer cross beam are equipped with a beam gusset plate, and the beam gusset plate covers the horizontal side of the first angle code and the bolt assembly or screw thereon.

[0006] Furthermore, a photovoltaic junction box is arranged on the side of the photovoltaic power generation glass facing the inner curtain wall, and two wiring terminals of the photovoltaic junction box are located in a channel surrounded by the corresponding outer column and the column buckle plate on one side thereof, and the column buckle plate is provided with a through hole, and the through hole is equipped with an insulating rubber sleeve, and the cable between the photovoltaic junction box and the wiring terminal passes through the insulating rubber sleeve.

[0007] Furthermore, a first pressing plate is fixedly connected to the outer end of the outer column, and two first embedding grooves on the left and right are formed between the first pressing plate and the outer end of the outer column, and each first embedding groove is used to embed the vertical side of the corresponding photovoltaic power generation glass; the outer end of the outer cross beam is fixedly connected to the second pressing plate, and two upper and lower second embedding grooves are formed between the second pressing plate and the outer end of the outer cross beam, and each second embedding groove is used to embed the horizontal side of the corresponding photovoltaic power generation glass; the two opposite groove walls of the first embedding groove and the second embedding groove are respectively provided with sealing strips.

[0008] Furthermore, the inner end of the outer column is fixedly connected to the outer end of the inner column through an intermediate column in cooperation with a bolt assembly and / or a screw, and the intermediate column is located between two adjacent inner curtain wall panels.

[0009] Furthermore, the two vertical sides of each inner curtain wall panel are respectively connected to the corresponding inner column through a first connecting component, and the first connecting component includes an external connecting member, an internal connecting member and a decorative buckle plate. The external connecting member and the internal connecting member cooperate to form a third embedding groove for embedding the vertical sides of the inner curtain wall panel, and the two opposite groove walls of the third embedding groove are respectively provided with sealing strips; the inner end of the external connecting member and the internal connecting member are superimposed together, and are fixedly connected to the left end or the right end of the inner column by screws, and the outer end of the external connecting member touches the middle column; the decorative buckle plate is buckled to the inner connecting member, and covers the screws on the inner connecting member and the outer connecting member.

[0010] Furthermore, the two ends of the inner cross beam are respectively fixedly connected to the corresponding inner columns by using a second angle code and a bolt assembly or screw; the two vertical sides of each inner curtain wall panel are respectively connected to the corresponding inner cross beam through a second connecting assembly, and the second connecting assembly includes an inner baffle plate and an outer buckle plate, the inner baffle plate is fixedly connected to the upper end or the lower end of the inner cross beam by screws, and a fourth embedding groove for embedding the horizontal edge of the inner curtain wall panel is formed therebetween, and the two opposite groove walls of the fourth embedding groove are respectively provided with sealing strips; the outer end of the outer buckle plate is buckled to the inner baffle plate, and the inner end of the outer buckle plate is fixed to the inner side of the inner cross beam, and covers the screws on the inner baffle plate, the second angle code and / or the bolt assembly or screws on the second angle code.

[0011] Furthermore, the outer curtain wall also includes upper shutters and lower shutters, the upper shutters are located at the top of the outer curtain wall, and the lower shutters are located at the bottom of the outer curtain wall; there are multiple upper shutters, and the multiple upper shutters are distributed in the transverse direction; there are multiple lower shutters, and the multiple lower shutters are distributed in the transverse direction; the two vertical frames of the window frames of the upper shutters and the lower shutters are respectively fixedly connected to the corresponding outer columns, and the two horizontal frames of the window frames of the upper shutters and the lower shutters are respectively fixedly connected to the corresponding outer beams.

[0012] Furthermore, the inner curtain wall also includes one or more openable sashes, which are movably connected to the inner columns and / or inner beams; the openable sashes are sliding windows, which include frame material, window glass, and sash material fixedly connected to the window glass, the four sides of the sash material are movably connected to the frame material through hinges, the horizontal frame of the frame material is fixedly connected to the corresponding inner beams, and the vertical frame of the frame material is fixedly connected to the corresponding inner columns.

[0013] Furthermore, the inner columns, inner beams, outer columns and outer beams are all made of aluminum alloy, and the inner curtain wall panels are transparent hollow glass.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. Since the outer curtain wall includes multiple outer columns, multiple outer beams and multiple photovoltaic power generation glasses, the outer columns correspond to the inner columns one by one, and each outer column is fixedly connected to the corresponding inner column, each outer beam is connected between two adjacent outer columns, and each photovoltaic power generation glass is installed between two adjacent outer columns and two adjacent outer beams, so that the present invention constitutes a double-layer photovoltaic curtain wall, which integrates power generation, sound insulation, heat insulation, decoration and other functions, and the outer curtain wall structure is relatively simple and easy to install. In particular, when the outer curtain wall is not needed, it is only necessary to disconnect the outer columns from the inner columns and remove the entire outer curtain wall, which is very convenient.

[0016] 2. The two ends of the outer cross beam are respectively fixedly connected to the corresponding outer columns by using the first angle code in combination with bolt assemblies or screws, and the column gussets and cross beam gussets are used to cover the first angle code, bolt assemblies or screws, so that the connection operation between the outer cross beam and the outer column is very convenient, and the appearance is neat and beautiful.

[0017] 3. The photovoltaic junction box and the cable are located in the cavity between the inner curtain wall and the outer curtain wall, and the two connection terminals of the photovoltaic junction box are located in the channel surrounded by the outer column and the column gusset plate on one side thereof, so that the appearance of the photovoltaic module is invisible, thereby further improving the neatness and aesthetics of the appearance of the present invention.

[0018] 4. The inner end of the outer column is fixedly connected to the outer end of the inner column through an intermediate column in combination with a bolt assembly and / or a screw. The intermediate column is located between two adjacent inner curtain wall panels. This can not only avoid the inner column or the outer column being too large and inconvenient to process and carry, but also can use the intermediate column to fill the gap between the two inner curtain wall panels when the outer curtain wall is dismantled, thereby improving the aesthetics and firmness of the inner curtain wall when used alone.

[0019] 5. The outer curtain wall also includes upper shutters and lower shutters, the upper shutters are located at the top of the outer curtain wall, and the lower shutters are located at the bottom of the outer curtain wall, so that the present invention can use the upper shutters and the lower shutters to cooperate with the cavity to achieve the chimney effect, and use the chimney effect to take away the hot air in the middle cavity of the double-layer photovoltaic curtain wall, thereby reducing the adverse effects of increased working temperature on the power generation efficiency of the photovoltaic module.

[0020] 6. The inner curtain wall also includes one or more openable fans, which are movably connected to the inner columns and / or inner beams, so that the present invention can achieve indoor and outdoor air circulation when the openable fans are in the open state, and take away the hot air in the middle cavity of the double-layer photovoltaic curtain wall, thereby reducing the adverse effects of increased working temperature on the power generation efficiency of the photovoltaic modules.

[0021] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments; however, the double-layer photovoltaic curtain wall of the present invention is not limited to the embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is an external view of the present invention;

[0023] Figure 2 It is a longitudinal cross-sectional view of the connection node between the present invention and the main structure of the building;

[0024] Figure 3 is a transverse cross-sectional view of a connection node between the present invention and a main structure of a building;

[0025] Figure 4 yes Figure 1 The horizontal cross-sectional view at position ① in the middle;

[0026] Figure 5 yes Figure 1 The longitudinal section view at position ② in the middle;

[0027] Figure 6 yes Figure 1 Transverse cross-sectional view at position ③;

[0028] Figure 7 yes Figure 1 Longitudinal section view at position ④;

[0029] Figure 8 yes Figure 1 Transverse cross-sectional view at position ⑤;

[0030] Fig. 9 yes Figure 1 A longitudinal cross-sectional view at position ⑥ in the middle;

[0031] Fig.10 is a schematic cross-sectional view of an outer column of the present invention;

[0032] Fig.11 is a schematic cross-sectional view of a column gusset plate of the present invention;

[0033] Fig.12 is a cross-sectional schematic diagram of a first pressing plate of the present invention;

[0034] Fig.13 is a schematic cross-sectional view of the intermediate column of the present invention;

[0035] Fig.14 is a schematic cross-sectional view of an inner column of the present invention;

[0036] Fig.15 is a schematic longitudinal section diagram of an outer cross beam of the present invention;

[0037] Fig.16 It is a longitudinal cross-sectional schematic diagram of the crossbeam gusset plate of the present invention;

[0038] Fig.17 is a schematic cross-sectional view of an external connecting member of the present invention;

[0039] Fig.18 is a schematic cross-sectional view of an inner connecting member of the present invention;

[0040] Fig.19 is a schematic cross-sectional view of a decorative gusset plate of the present invention;

[0041] Fig. 20 is a schematic longitudinal section diagram of the inner cross beam of the present invention;

[0042] Fig.21 is a schematic longitudinal section diagram of the inner baffle of the present invention;

[0043] Fig. 22 is a schematic longitudinal section diagram of an outer gusset plate of the present invention;

[0044] Fig.23 is a schematic cross-sectional view of a translational window frame material of the present invention;

[0045] Fig.24 is a schematic cross-sectional view of a translational window sash material of the present invention;

[0046] Fig.25 It is a schematic cross-sectional view of the sliding window pad of the present invention. DETAILED DESCRIPTION

[0047] For examples, see Figure 1-Figure 25As shown, a double-layer photovoltaic curtain wall of the present invention comprises an inner curtain wall and an outer curtain wall, wherein a cavity is provided between the inner curtain wall and the outer curtain wall, wherein the inner curtain wall comprises a plurality of inner columns 6, a plurality of inner beams 7 and a plurality of inner curtain wall panels 8, wherein each inner beam 7 is respectively connected between two adjacent inner columns 6, and each inner curtain wall panel 8 is respectively installed between two adjacent inner columns 6 and two adjacent inner beams 7; wherein the outer curtain wall comprises a plurality of outer columns 1, a plurality of outer beams 2 and a plurality of photovoltaic power generation glasses 3, wherein the outer columns 1 correspond to the inner columns 6 inside and outside one by one, and each outer column 1 is respectively fixedly connected to the corresponding inner column 6, each outer beam 2 is respectively connected between two adjacent outer columns 1, and each photovoltaic power generation glass 3 is respectively installed between two adjacent outer columns 1 and two adjacent outer beams 2.

[0048] In this embodiment, Figure 2 , Figure 3 As shown, the inner column 6 is specifically fixedly connected to the main structure 9 of the building through two steel plates 10 and bolt assemblies 11. Specifically, the two steel plates 10 are respectively welded and fixed to the embedded parts in the main structure 9 of the building, and the two steel plates 10 are respectively matched on the left and right sides of the inner column 6, and are fixedly connected to the inner column 6 through a plurality of bolt assemblies 11. The bolt assembly 11 is specifically composed of bolts, nuts, washers, etc., and the same is true for the bolt assembly described below.

[0049] In this embodiment, Figure 3 , Figure 4 As shown, the inner end of the outer column 1 is fixedly connected to the outer end of the inner column 6 through an intermediate column 12 in combination with a bolt assembly and / or a screw, and the intermediate column 12 is located between two adjacent inner curtain wall panels 8. Fig.10 , Fig.13 As shown, the inner end of the outer column 1 is provided with two first hooks 104, and the outer end of the middle column 12 is provided with two second hooks 121. The first hooks 104 and the second hooks 121 are L-shaped and in opposite directions. The first hooks 104 and the second hooks 121 hook each other to limit the outer column 1 and the inner column 6. At the same time, the inner end of the outer column 1 and the outer end of the middle column 6 are fixedly connected with screws 13, and the gap between the two is sealed with glue. Fig.13 , Fig.14 As shown, the outer end of the inner column 6 is provided with two left and right shrinkage grooves 61, and the left and right sides of the inner end of the middle column 12 are respectively extended with a connecting plate 122, and the two connecting plates 122 are respectively connected and fixed to the two shrinkage grooves 61 by bolt assemblies 14. The inner end refers to the end of the component facing the main structure of the building, and the outer end refers to the end of the component facing the outside of the main structure of the building, and the same is true below.

[0050] In this embodiment, Figure 4 , Figure 5As shown, the two ends of the outer cross beam 2 are respectively fixedly connected with the corresponding outer column 1 by using the first angle code 15 and the bolt assembly 16. The left end and / or the right end of the outer column 1 is equipped with a column clip plate 17, and the column clip plate 17 covers the vertical side of the first angle code 15 and the bolt assembly thereon; the upper end and / or the lower end of the outer cross beam 2 is equipped with a beam clip plate 23, and the beam clip plate 23 covers the horizontal side of the first angle code 15 and the bolt assembly thereon. The outer column 1 and the column clip plate 17 are specifically connected in a plug-in manner, and the column clip plate 17 is limited by a block 38 fixed to the outer cross beam 2 by screws, so that the outer column 1 and the column clip plate 17 are easily connected and firmly fixed. Fig.10 As shown, the outer column 1 is a hollow structure, and its left and right structures are the same or substantially the same. The left inner end is provided with a first inner extension plate 101, and the left outer end is provided with a first outer extension plate 102. The cross section of the first inner extension plate 101 is roughly Z-shaped, and the cross section of the first outer extension plate 102 is roughly L-shaped. The free ends of the first inner extension plate 101 and the first outer extension plate 102 are respectively provided with a slot 1011 / 1021, and the two slots 1011 and 1021 are respectively used to clamp the inserts 171 (such as Fig.11 The outer cross beam 2 and the cross beam gusset plate 23 are specifically connected by a buckle connection combined with screw fixing, such as Fig.15 , Fig.16 As shown, the outer cross beam 2 is a hollow structure, and its upper and lower structures are the same or substantially the same. The inner end of the upper side is provided with a second inner extension plate 201, and the outer end of the upper side is provided with a second outer extension plate 202. The longitudinal section of the second inner extension plate 201 is substantially in the shape of a letter "1", and the longitudinal section of the second outer extension plate 202 is substantially in the shape of a letter "L". A clamping block 2011 is provided on the side of the free end of the first inner extension plate 101 facing the second outer extension plate 202, and a clamping groove 2021 is provided on the side of the free end of the second outer extension plate 202 facing the first inner extension plate 101. The clamping block 2011 and the clamping groove 2011 are respectively engaged with two clamps 231 provided on the cross beam buckle plate 23, and the cross beam buckle plate 23 and the second outer extension plate 202 are further fixed by screws 24. In this way, the outer cross beam 2 and the cross beam buckle plate 23 are easily connected and firmly fixed.

[0051] In this embodiment, Figure 4 As shown, a photovoltaic junction box 19 is arranged on the side of the photovoltaic power generation glass 3 facing the inner curtain wall, and the two connection terminals 20 of the photovoltaic junction box 19 are located in a channel surrounded by the corresponding outer column 1 and the column buckle plate 17 on one side thereof, and the column buckle plate 17 is provided with a through hole, on which an insulating rubber sleeve 18 made of rubber material is installed, and the cable between the photovoltaic junction box 19 and the connection terminal passes through the insulating rubber sleeve 18.

[0052] In this embodiment, Figure 4As shown, a first pressing plate 21 is fixedly connected to the outer end of the outer vertical column 1. Between the first pressing plate 21 and the outer end of the outer vertical column 1, two first embedding grooves 211 are formed on the left and right. Each first embedding groove 211 is respectively used for embedding the vertical sides of the corresponding photovoltaic glass 3. As Figure 5 shown, a second pressing plate 25 is fixedly connected to the outer end of the outer cross beam 2. Between the second pressing plate 25 and the outer end of the outer cross beam 2, two second embedding grooves 25 are formed on the upper and lower sides. Each second embedding groove 25 is respectively used for embedding the horizontal sides of the corresponding photovoltaic glass 3; sealing rubber strips 22 / 26 are respectively installed on the two opposite groove walls of the first embedding groove 211 and the second embedding groove 25. As Fig.10 , Fig.12 shown, the outer end of the outer vertical column 1 has a U-shaped groove 103. The first pressing plate 21 is generally in a nearly U shape. The middle part thereof enters into the U-shaped groove 103 and is fixedly connected to the outer vertical column 1 with screws 212. Its two sides are respectively in internal and external cooperation with the first outer extension plates 102 on the left and right sides of the outer vertical column 1 to form the first embedding groove 211. And on one side of the two sides of the first pressing plate 21 facing the outer vertical column 1, clamping grooves 2013 are respectively provided for clamping the sealing rubber strips; on one side of the two first outer extension plates 102 on the two sides of the outer vertical column 1 facing the first pressing plate 21, clamping grooves 1022 are also respectively provided for clamping the sealing rubber strips. The structure of the second pressing plate 25 is the same as or substantially the same as that of the first pressing plate 21, and the cooperation relationship between the second pressing plate 25 and the outer cross beam 2 is the same as the cooperation relationship between the first pressing plate 21 and the outer vertical column 1. A drain hole 252 is provided on the second pressing plate 25. Therefore, the assembly of the photovoltaic glass 3 is very convenient and reliable.

[0053] In this embodiment, as Figure 3 shown, the two vertical sides of each inner curtain wall panel 8 are respectively connected to the corresponding inner vertical column 6 through a first connecting component. The first connecting component includes an outer connecting piece 27, an inner connecting piece 28 and a decorative buckle plate 29. The outer connecting piece 27 and the inner connecting piece 28 cooperate to form a third embedding groove 271 for embedding the vertical sides of the inner curtain wall panel 8. Sealing rubber strips 31 are respectively installed on the two opposite groove walls of the third embedding groove 271; the inner end parts of the outer connecting piece 27 and the inner connecting piece 28 are superposed and fixedly connected to the left end or the right end of the inner vertical column 6 with screws 30. The outer end part of the outer connecting piece 27 abuts against the middle vertical column 12; the decorative buckle plate 29 is buckled on the inner connecting piece 28 and covers the screws 30 on the inner connecting piece 28 and the outer connecting piece 27. As Figure 17-Figure 19As shown, the cross-sections of the outer connecting member 27 and the inner connecting member 28 are both roughly L-shaped, and the transverse side of the outer connecting member 27 is matched with the transverse side of the inner connecting member 28 inside and outside, and surrounds the third embedding groove 271, and the inner side surface of the transverse side of the outer connecting member 27 is provided with a slot 272 for clamping the sealing strip, and the outer side surface of the transverse side of the inner connecting member 28 is serrated for clamping the sealing strip; the longitudinal side of the inner connecting member 28 is superimposed with the inner end of the longitudinal side of the outer connecting member 27, and is fixedly connected to the inner column 6 with screws 30, and the outer end of the longitudinal side of the outer connecting member 27 touches the middle column 12, and the two are sealed by glue; the inner side surface of the transverse side of the inner connecting member 28 is provided with a slot 281, which is buckled and connected with the buckle strip 291 set on the decorative buckle plate 29. Therefore, the organization of the inner curtain wall panel 8 is very convenient and reliable.

[0054] In this embodiment, Figure 4 , Figure 5 As shown, the two ends of the inner cross beam 7 are respectively fixedly connected to the corresponding inner column 6 by the second angle code 32 and the bolt assembly 33; the two vertical sides of each inner curtain wall panel 8 are respectively connected to the corresponding inner cross beam 7 by the second connection assembly, and the second connection assembly includes an inner baffle plate 34 and an outer buckle plate 35. The inner baffle plate 34 is fixedly connected to the upper end or the lower end of the inner cross beam 7 by screws 40, and a fourth embedding groove 341 for embedding the horizontal side of the inner curtain wall panel 8 is formed therebetween, and the two opposite groove walls of the fourth embedding groove 341 are respectively provided with sealing strips 39; the outer end of the outer buckle plate 35 is buckled to the inner baffle plate 34, and the inner end of the outer buckle plate 35 is fixed to the inner side of the inner cross beam 7, and covers the screws 40 on the inner baffle plate 34, the second angle code 32 and / or the bolt assembly 33 on the second angle code 32. As shown Fig. 20 , Fig.21 As shown, the outer end of the inner cross beam 7 is provided with an upper extension plate 701 and a lower extension plate 702, the longitudinal section of the inner baffle 34 is roughly L-shaped, the upper extension plate 701 and the lower extension plate 702 are respectively matched with one side of the inner baffle 34 in a vertical position, and form the fourth embedding groove 341, and the inner side surfaces of the upper compression plate and the lower extension plate 702 are respectively provided with a clamping groove 7011 / 7021 for clamping the sealing strip, and the outer side surface of the side of the inner baffle 34 in a vertical position is serrated for clamping the sealing strip; the side of the inner baffle 34 in a horizontal position is fixedly connected to the inner cross beam 7 by screws 40. Fig. 22 As shown, the longitudinal section of the outer buckle plate 35 is roughly L-shaped, and its horizontal side covers the inner baffle plate 34, and is provided with a buckle strip 351, and the buckle strip 351 is snap-connected with the slot 342 set on the vertical side of the inner baffle plate 34; the vertical side of the outer buckle plate 35 is located on the inner side of the inner cross beam 7, and the free end of the vertical side of the outer buckle plate 35 is bent outward in a L shape, and is fixedly connected to the inner cross beam 7 with screws 41.

[0055] In this embodiment, the inner curtain wall further comprises one or more openable panels, which are movably connected to the inner columns 6 and / or the inner cross beams 7. Figure 1 , Figure 6 , Figure 7 As shown, the openable sash is specifically a sliding window 36, which includes a frame material 364, a window glass 361, and a sash material 362 fixedly connected to the window glass 361. The four sides of the sash material 362 are movably connected to the frame material 364 through hinges 363 respectively. The horizontal frame of the frame material 364 is fixedly connected to the corresponding inner crossbeam 7. Specifically, the horizontal frame of the frame material 364 is fixedly connected to the outer buckle plate 35 on the inner crossbeam 7 by screws 37; the vertical frame of the frame material 364 is fixedly connected to the corresponding inner column 6 by screws, and a pad 365 is provided between the vertical frame of the frame material 364 and the inner column 6 and the middle column 12. The structure of the frame material 364, the sash material 362, and the pad 365 is as shown in FIG. Figure 23-Figure 25 shown.

[0056] In this embodiment, Figure 1 , Figure 8 , Fig. 9 As shown, the outer curtain wall further includes an upper shutter 4 and a lower shutter 5. The upper shutter 4 is located at the top of the outer curtain wall, and the lower shutter 5 is located at the bottom of the outer curtain wall. There are multiple upper shutters 4, which are distributed in the transverse direction; there are multiple lower shutters 5, which are distributed in the transverse direction. The two vertical frames 51 of the window frames of the upper shutter 4 and the lower shutter 5 are respectively fixedly connected to the corresponding outer columns 1 by screws 53, and the two horizontal frames 52 of the window frames of the upper shutter 4 and the lower shutter 5 are respectively fixedly connected to the corresponding outer crossbeams 2 by screws 54.

[0057] In this embodiment, the inner column 6, inner beam 7, outer column 1, outer beam 2, column gusset 17, beam gusset 23, outer connector 27, inner connector 28, decorative gusset 29, outer gusset 35, upper shutter 4, lower shutter 5, etc. are all made of aluminum alloy, and the inner curtain wall panel 8 is transparent hollow glass, and the glass is tempered glass.

[0058] A double-layer photovoltaic curtain wall of the present invention integrates the functions of power generation, sound insulation, heat insulation, decoration, etc., and its inner curtain wall and outer curtain wall have relatively simple structures and are easy to install. In particular, when the outer curtain wall is not needed, it is only necessary to disconnect the outer column 1 from the middle column 12 and remove the entire outer curtain wall, which is very convenient. The setting of the middle column 12 can not only avoid the inner column 6 or the outer column 1 being too large and inconvenient to process and transport, but also can use the middle column 12 to fill the gap between the two inner curtain wall panels 8 when the outer curtain wall is dismantled, thereby improving the aesthetics and firmness of the inner curtain wall when used alone.

[0059] The two ends of the outer cross beam 2 are respectively fixedly connected to the corresponding outer column 1 by using the first angle code 15 in combination with bolt assemblies or screws, and the column gussets 17 and the cross beam gussets 23 are used to cover the first angle code 15, bolt assemblies or screws, so that the connection operation between the outer cross beam 2 and the outer column 1 is very convenient, and the appearance is neat and beautiful. The photovoltaic junction box 19 and the cable are located in the cavity between the inner curtain wall and the outer curtain wall, and the two terminal blocks of the photovoltaic junction box 19 are located in the channel surrounded by the outer column 1 and the column gussets 17 on one side thereof, so that the appearance of the photovoltaic assembly is invisible, thereby further improving the neatness and beauty of the appearance of the present invention.

[0060] The outer curtain wall also includes an upper shutter 4 and a lower shutter 5, the upper shutter 4 is located at the top of the outer curtain wall, and the lower shutter 5 is located at the bottom of the outer curtain wall, so that the present invention can use the upper shutter 4 and the lower shutter 5 to cooperate with the cavity to achieve a chimney effect, and use the chimney effect to take away the hot air in the middle cavity of the double-layer photovoltaic curtain wall, thereby reducing the adverse effects of the increase in working temperature on the power generation efficiency of the photovoltaic module. The inner curtain wall also includes one or more sliding windows 36, so that the present invention can achieve indoor and outdoor air circulation when the sliding windows 36 are open, and take away the hot air in the middle cavity of the double-layer photovoltaic curtain wall, thereby further reducing the adverse effects of the increase in working temperature on the power generation efficiency of the photovoltaic module.

[0061] The above embodiments are only used to further illustrate a double-layer photovoltaic curtain wall of the present invention, but the present invention is not limited to the embodiments. Any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention shall fall within the protection scope of the technical solution of the present invention.

Claims

1. A double-layer photovoltaic curtain wall, comprising an inner curtain wall and an outer curtain wall, wherein a cavity is provided between the inner curtain wall and the outer curtain wall, wherein the inner curtain wall comprises a plurality of inner columns, a plurality of inner beams and a plurality of inner curtain wall panels, wherein each inner beam is respectively connected between two adjacent inner columns, and each inner curtain wall panel is respectively installed between two adjacent inner columns and two adjacent inner beams; characterized in that: The outer curtain wall includes multiple outer columns, multiple outer beams and multiple photovoltaic power generation glasses. The outer columns correspond to the inner columns one by one inside and outside, and each outer column is fixedly connected to the corresponding inner column, each outer beam is connected between two adjacent outer columns, and each photovoltaic power generation glass is installed between two adjacent outer columns and two adjacent outer beams; the outer curtain wall also includes upper shutters and lower shutters. The upper shutters are located at the top position of the outer curtain wall, and the lower shutters are located at the bottom position of the outer curtain wall.

2. The double-layer photovoltaic curtain wall according to claim 1, characterized in that: The two ends of the outer cross beam are respectively fixedly connected with the corresponding outer columns by using the first angle code and bolt assemblies or screws; the left end and / or the right end of the outer column is equipped with a column gusset plate, and the column gusset plate covers the vertical side of the first angle code and the bolt assembly or screw thereon; the upper end and / or the lower end of the outer cross beam is equipped with a beam gusset plate, and the beam gusset plate covers the horizontal side of the first angle code and the bolt assembly or screw thereon.

3. The double-layer photovoltaic curtain wall according to claim 2 is characterized in that: A photovoltaic junction box is arranged on the side of the photovoltaic power generation glass facing the inner curtain wall. The two connection terminals of the photovoltaic junction box are located in a channel surrounded by the corresponding outer column and the column gusset plate on one side thereof. The column gusset plate is provided with a through hole, and the through hole is equipped with an insulating rubber sleeve. The cable between the photovoltaic junction box and the connection terminal passes through the insulating rubber sleeve.

4. The double-layer photovoltaic curtain wall according to claim 1, characterized in that: The outer end of the outer column is fixedly connected to a first pressing plate, and two left and right first embedding grooves are formed between the first pressing plate and the outer end of the outer column, and each first embedding groove is used to embed the vertical side of the corresponding photovoltaic power generation glass; the outer end of the outer cross beam is fixedly connected to a second pressing plate, and two upper and lower second embedding grooves are formed between the second pressing plate and the outer end of the outer cross beam, and each second embedding groove is used to embed the horizontal side of the corresponding photovoltaic power generation glass; the two opposite groove walls of the first embedding groove and the second embedding groove are respectively provided with sealing strips.

5. The double-layer photovoltaic curtain wall according to claim 1, characterized in that: The inner end of the outer column is fixedly connected to the outer end of the inner column through an intermediate column in combination with a bolt assembly and / or a screw, and the intermediate column is located between two adjacent inner curtain wall panels.

6. The double-layer photovoltaic curtain wall according to claim 5, characterized in that: The two vertical sides of each inner curtain wall panel are respectively connected to the corresponding inner columns through a first connecting component, and the first connecting component includes an outer connecting member, an inner connecting member and a decorative gusset plate. The outer connecting member and the inner connecting member cooperate to form a third embedding groove for embedding the vertical sides of the inner curtain wall panel, and the two opposite groove walls of the third embedding groove are respectively provided with sealing strips; the inner end of the outer connecting member is superimposed on the inner connecting member, and is fixedly connected to the left end or the right end of the inner column by screws, and the outer end of the outer connecting member touches the middle column; the decorative gusset plate is buckled to the inner connecting member, and covers the screws on the inner connecting member and the outer connecting member.

7. The double-layer photovoltaic curtain wall according to claim 1, characterized in that: The two ends of the inner cross beam are respectively fixedly connected to the corresponding inner columns by using the second angle code and bolt assembly or screws; the two vertical sides of each inner curtain wall panel are respectively connected to the corresponding inner cross beam through the second connection assembly, and the second connection assembly includes an inner baffle plate and an outer buckle plate, the inner baffle plate is fixedly connected to the upper end or the lower end of the inner cross beam by screws, and a fourth embedding groove for embedding the horizontal edge of the inner curtain wall panel is formed therebetween, and the two opposite groove walls of the fourth embedding groove are respectively provided with sealing strips; the outer end of the outer buckle plate is buckled to the inner baffle plate, and the inner end of the outer buckle plate is fixed to the inner side of the inner cross beam, and covers the screws on the inner baffle plate, the second angle code and / or the bolt assembly or screws on the second angle code.

8. The double-layer photovoltaic curtain wall according to claim 1, characterized in that: There are multiple upper shutters, which are distributed transversely; there are multiple lower shutters, which are distributed transversely; the two vertical frames of the window frames of the upper shutters and the lower shutters are respectively fixedly connected to the corresponding external columns, and the two horizontal frames of the window frames of the upper shutters and the lower shutters are respectively fixedly connected to the corresponding external beams.

9. The double-layer photovoltaic curtain wall according to claim 1 or 8, characterized in that: The inner curtain wall also includes one or more openable sashes, which are movably connected to the inner columns and / or inner beams; the openable sashes are sliding windows, which include frame material, window glass, and sash material fixedly connected to the window glass, the four sides of the sash material are movably connected to the frame material through hinges, the horizontal frame of the frame material is fixedly connected to the corresponding inner beams, and the vertical frame of the frame material is fixedly connected to the corresponding inner columns.

10. The double-layer photovoltaic curtain wall according to claim 1, characterized in that: The inner columns, inner beams, outer columns and outer beams are all made of aluminum alloy, and the inner curtain wall panels are transparent hollow glass.

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