A prefabricated double-layer facade energy-saving sunshade curtain wall system

Abstract

This invention discloses a prefabricated double-layer facade energy-saving sunshade curtain wall system, relating to the field of building curtain wall technology. It comprises multiple glass curtain wall units, aluminum panel curtain wall units, and interlayer sunshade aluminum panels. The glass and aluminum panel curtain wall units are spaced apart horizontally and staggered vertically. Interlayer sunshade aluminum panels are positioned between adjacent glass and aluminum panel curtain wall units. Each glass curtain wall unit includes curtain wall glass and supporting keel; the curtain wall glass is fixed to the supporting keel, which is equipped with transition angle steel. The supporting keel is then installed on the building's interlayer beams via the transition angle steel. This solution combines glass and aluminum panel curtain wall units to form a double-layer facade curtain wall, achieving a comprehensive sunshade value (SCw) ≤ 0.4 and a building energy saving rate of 70%. It also improves the effective daylighting rate, thereby reducing energy consumption and light radiation, meeting the development needs of energy-saving curtain walls.

Description

Technical Field

[0001] This invention relates to a prefabricated double-layer facade energy-saving sunshade curtain wall system, belonging to the field of building curtain wall technology. Background Technology

[0002] Buildings decorated with glass curtain walls, due to their large areas of glass and metal structures, have high heat exchange and transmittance on the glass surface, thus significantly impacting the indoor thermal environment. In the scorching summer, sunlight penetrating the glass and entering the interior is a major cause of overheating. Many existing curtain wall projects incorporate sunshades for decorative purposes or thermal efficiency, but the large glass surfaces often cannot be covered with shading materials, leading to high indoor energy consumption. Addressing building shading is extremely difficult; due to the complexity of shading structures and limited space, traditional shading devices cannot meet the diverse aesthetic requirements of architects, and their unstable structures and poor wind resistance necessitate new solutions to address these issues. Summary of the Invention

[0003] To address the aforementioned technical problems, the objective of this invention is to propose a prefabricated double-layer facade energy-saving sunshade curtain wall system.

[0004] The technical solution of the present invention is implemented as follows: a prefabricated double-layer facade energy-saving sunshade curtain wall system, comprising multiple glass curtain wall units, aluminum panel curtain wall units and interlayer sunshade aluminum panels; the multiple glass curtain wall units and aluminum panel curtain wall units are spaced apart in the horizontal direction and staggered in the vertical direction; the interlayer sunshade aluminum panels are disposed between adjacent glass curtain wall units and aluminum panel curtain wall units.

[0005] The glass curtain wall unit includes curtain wall glass and supporting keel. The curtain wall glass is installed and fixed on the supporting keel. The supporting keel is provided with transition angle steel. The supporting keel is installed on the inter-story beam of the building through the transition angle steel.

[0006] The aluminum panel curtain wall unit comprises an aluminum panel and a backing steel frame. The aluminum panel is fixedly installed on the backing steel frame, which is equipped with a hanging assembly. The backing steel frame is installed on the inter-floor beams of the building via the hanging assembly. The backing steel frame comprises a first steel column, a second steel column, a third steel column, two trapezoidal frames, and multiple triangular frames. The trapezoidal frames are used to connect the first, second, and third steel columns into a whole, and the two trapezoidal frames are horizontally connected and fixed to the top and bottom of the first, second, and third steel columns, respectively. The multiple triangular frames are horizontally and evenly arranged between the two trapezoidal frames, and the vertex of each triangular frame is connected and fixed to the first, second, and third steel columns, respectively. The aluminum panel is arranged along the outer perimeter of the trapezoidal frames, and the upper and lower ends of the aluminum panel are connected and fixed to the two trapezoidal frames, respectively. The inner ends of the aluminum panel are connected and fixed to the first and second steel columns, respectively.

[0007] The middle part of the interlayer sunshade aluminum plate is fixed to the third steel column, and the upper and lower ends of the interlayer sunshade aluminum plate are respectively fixed to the adjacent supporting keel.

[0008] Preferably, the supporting keel includes aluminum alloy columns and aluminum alloy beams that are connected and fixed to each other. An aluminum alloy subframe is provided on the aluminum alloy beam, and the curtain wall glass is connected and fixed to the aluminum alloy beam through the aluminum alloy subframe.

[0009] Preferably, one end of the transition angle steel is connected and fixed to the inter-floor beam of the building, and the other end is connected to the aluminum alloy column; a first horizontal elongated hole is provided at the connection position of the transition angle steel and the aluminum alloy column, and the first horizontal elongated hole is used to adjust the front and rear position of the aluminum alloy column.

[0010] Preferably, the mounting assembly includes a first connector, a second connector, a steel mounting plate, and a steel mounting base; the first connector is fixed to the inner side of the first steel column, the steel mounting plate is fixed to the first connector, the steel mounting base is installed on the second connector, the second connector is fixed to the inter-floor beam of the building, and the steel mounting plate cooperates with the steel mounting base.

[0011] Preferably, a height adjustment bolt is provided on the steel mounting plate, and the bottom end of the height adjustment bolt abuts against the steel mounting base; a second horizontal elongated hole is provided at the connection position of the steel mounting base and the second connecting member, and the second horizontal elongated hole is used to adjust the front and rear position of the steel mounting base.

[0012] Preferably, the middle part of the interlayer sunshade aluminum plate is provided with multiple connecting angle brackets, and the middle part of the interlayer sunshade aluminum plate is fixed to the third steel column by the multiple connecting angle brackets; U-shaped connectors are provided between adjacent interlayer sunshade aluminum plates, and adjacent interlayer sunshade aluminum plates are connected and fixed by the U-shaped connectors.

[0013] Preferably, a sealing strip is provided between the end of the curtain wall glass and the second steel column.

[0014] Preferably, the cross-section of the trapezoidal frame is a right trapezoid, and both the triangular frame and the trapezoidal frame are composed of multiple angle steels connected end to end in sequence.

[0015] Preferably, the inner side of the triangular frame is provided with insulating rock wool.

[0016] Preferably, the first steel column and the third steel column are provided with an inclined stiffening angle steel.

[0017] Due to the application of the above technical solution, the present invention has the following advantages compared with the prior art:

[0018] 1. This invention combines glass curtain wall units with aluminum panel curtain wall units to form a double-sided curtain wall, which can achieve a comprehensive shading value SCw≤0.4, a building energy saving rate of 70%, and improve the effective lighting rate, thereby reducing energy consumption and light radiation, which meets the development needs of energy-saving curtain walls.

[0019] 2. A prefabricated triangular backing steel frame is adopted. This triangular backing steel frame has a stable and reliable structure, more reasonable stress distribution, and can reduce the amount of steel used. At the same time, the prefabricated triangular backing steel frame can be produced in a standardized manner in the factory, which not only improves production efficiency but also improves processing accuracy.

[0020] 3. By using a triangular backing steel frame as the main load-bearing support structure for the aluminum panel, the overall shape of the aluminum panel is roughly triangular, ensuring that the aluminum panel has a continuous flow, which not only meets the needs of sun shading but also meets the needs of indoor lighting, while improving the outdoor decorative effect. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the description of the embodiments of the present invention will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the content of the embodiments of the present invention and these drawings without creative effort.

[0022] Appendix Figure 1 This is a vertical section detail of a prefabricated double-layer facade energy-saving sunshade curtain wall system according to the present invention.

[0023] Appendix Figure 2 This is a cross-sectional detail of a prefabricated double-layer facade energy-saving sunshade curtain wall system according to the present invention.

[0024] Appendix Figure 3 For the appendix Figure 1 Enlarged view of point A in the middle;

[0025] Appendix Figure 4 For the appendix Figure 1 Enlarged view of point B in the middle;

[0026] Appendix Figure 5 For the appendix Figure 1 Enlarged view of point C in the middle;

[0027] Appendix Figure 6 For the appendix Figure 2 Enlarged view of point D in the middle;

[0028] Appendix Figure 7 This is a schematic diagram of the structure of the mounting component described in this invention.

[0029] In the diagram: 1. Interlayer sunshade aluminum panel; 2. Curtain wall glass; 3. Transition angle steel; 4. Interlayer beam; 5. Aluminum single panel; 6. First steel column; 7. Second steel column; 8. Third steel column; 9. Trapezoidal frame; 10. Triangular frame; 11. Aluminum alloy column; 12. Aluminum alloy beam; 13. Aluminum alloy subframe; 14. First horizontal elongated hole; 15. First connector; 16. Second connector; 17. Steel hanging plate; 18. Steel bracket; 19. Height adjustment bolt; 20. Second horizontal elongated hole; 21. Connecting angle bracket; 22. U-shaped connector; 23. Sealing strip; 24. Thermal insulation rock wool; 25. Stiffening angle steel. Detailed Implementation

[0030] To make the technical problems solved by the present invention, the technical solutions adopted, and the technical effects achieved clearer, the technical solutions of the embodiments of the present invention will be further described in detail below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0031] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "straight," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. The terms "first position" and "second position" refer to two different positions.

[0032] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to fixed connections or detachable connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal connections between two components. Those skilled in the art can understand the specific meaning of these terms in this invention based on the specific circumstances.

[0033] As attached Figure 1-2 As shown, the prefabricated double-layer facade energy-saving sunshade curtain wall system of the present invention includes multiple glass curtain wall units, aluminum panel curtain wall units, and interlayer sunshade aluminum panels 1; the multiple glass curtain wall units and aluminum panel curtain wall units are spaced apart in the horizontal direction and staggered in the vertical direction; the interlayer sunshade aluminum panels 1 are disposed between adjacent glass curtain wall units and aluminum panel curtain wall units.

[0034] The glass curtain wall unit includes curtain wall glass 2 and supporting keel. The curtain wall glass 2 is installed and fixed on the supporting keel. Specifically, the supporting keel includes aluminum alloy columns 11 and aluminum alloy beams 12 that are connected and fixed to each other. The aluminum alloy columns 11 and aluminum alloy beams 12 can be fixed by welding. An aluminum alloy sub-frame 13 is provided on the aluminum alloy beams 12. The curtain wall glass 2 is connected and fixed to the aluminum alloy beams 12 through the aluminum alloy sub-frame 13.

[0035] As attached Figure 3 As shown, a transition angle steel 3 is provided on the supporting keel, and the supporting keel is installed on the inter-floor beam 4 through the transition angle steel 3; specifically, one end of the transition angle steel 3 is connected and fixed to the inter-floor beam 4, and the other end is connected to the aluminum alloy column 11; a first horizontal elongated hole 14 is opened at the connection position of the transition angle steel 3 and the aluminum alloy column 11. The first horizontal elongated hole 14 is used to adjust the front and rear position of the aluminum alloy column 11. Bolts can be inserted into the first horizontal elongated hole 14 to adjust the front and rear position of the aluminum alloy column 11. Furthermore, the front and rear position of the glass curtain wall unit can be adjusted through the first horizontal elongated hole 14, thereby effectively reducing errors. After the front and rear position of the aluminum alloy column 11 is determined, it can be tightened with bolts.

[0036] The aluminum panel curtain wall unit includes an aluminum single panel 5 and a backing steel frame. The aluminum single panel 5 is fixedly installed on the backing steel frame, which includes a first steel column 6, a second steel column 7, a third steel column 8, two trapezoidal frames 9, and multiple triangular frames 10. In this embodiment, the cross-section of the trapezoidal frame 9 is a right trapezoid, and both the triangular frames 10 and the trapezoidal frame 9 are composed of multiple angle steels connected end to end. The trapezoidal frame 9 is used to connect the first steel column 6, the second steel column 7, and the third steel column 8 into a whole, and the two trapezoidal frames 9 are horizontally connected and fixed to the backing steel frame. The top and bottom of the first steel column 6, the second steel column 7, and the third steel column 8; multiple triangular frames 10 are horizontally and evenly arranged between two trapezoidal frames 9, and the vertex of each triangular frame 10 is connected and fixed to the first steel column 6, the second steel column 7, and the third steel column 8 respectively; thus forming a prefabricated triangular backing steel frame. This triangular backing steel frame has a stable and reliable structure, more reasonable stress distribution, and can reduce the amount of steel used; at the same time, the prefabricated triangular backing steel frame can be standardized in the factory, which not only improves production efficiency but also improves processing accuracy.

[0037] Furthermore, there is an inclined stiffening angle steel 25 between the first steel column 6 and the third steel column 8, which further enhances the structural stability of the backing steel frame. The inner side of the triangular frame 10 is provided with thermal insulation rock wool 24, thereby effectively improving the thermal insulation performance of the aluminum panel curtain wall unit.

[0038] Aluminum single panel 5 is installed along the outer periphery of trapezoidal frame 9, and the upper and lower ends of aluminum single panel 5 are respectively connected and fixed to two trapezoidal frames 9. The inner ends of aluminum single panel 5 are respectively connected and fixed to the first steel column 6 and the second steel column 7. Among them, the upper and lower ends of aluminum single panel 5 can be provided with corner brackets or other connecting structures, and are fixed to the two trapezoidal frames 9 by the cooperation of corner brackets and screws. The inner ends of aluminum single panel 5 can be fixed to the first steel column 6 and the second steel column 7 by self-tapping screws or rivets. Here, the inner ends of aluminum single panel 5 are the two ends of aluminum single panel 5 facing the interior.

[0039] By using a triangular backing steel frame as the main load-bearing support structure of the aluminum panel 5, the appearance of the aluminum panel 5 is roughly triangular, ensuring that the aluminum panel 5 has a continuous flow, which not only meets the needs of sun shading but also meets the needs of indoor lighting, while improving the outdoor decorative effect.

[0040] As attached Figure 4 , 7As shown, a hanging assembly is provided on the backing steel frame. The backing steel frame is installed on the inter-floor beam 4 of the building through the hanging assembly. Specifically, the hanging assembly includes a first connector 15, a second connector 16, a steel hanging plate 17, and a steel hanging seat 18. The first connector 15 is fixed to the inner side of the first steel column 6, the steel hanging plate 17 is fixed to the first connector 15, and the steel hanging seat 18 is installed on the second connector 16. The second connector 16 is fixed to the inter-floor beam 4 of the building. The steel hanging plate 17 and the steel hanging seat 18 cooperate to ensure the installation of the entire aluminum panel curtain wall unit.

[0041] Furthermore, a height adjustment bolt 19 is provided on the steel hanging plate 17. The bottom end of the height adjustment bolt 19 abuts against the steel hanging base 18. The height adjustment bolt 19 is used to adjust the vertical position of the entire aluminum panel curtain wall unit and reduce vertical error. A second horizontal elongated hole 20 is provided at the connection position of the steel hanging base 18 and the second connecting piece 16. The second horizontal elongated hole 20 is used to adjust the front and rear position of the steel hanging base 18 and further adjust the front and rear position of the entire aluminum panel curtain wall unit, thereby improving the installation accuracy and installation efficiency of the aluminum panel curtain wall unit.

[0042] As attached Figure 1 , 5 As shown, the middle part of the interlayer sunshade aluminum plate 1 is connected and fixed to the third steel column 8, and the upper and lower ends of the interlayer sunshade aluminum plate 1 are respectively connected and fixed to the adjacent supporting keel. In this embodiment, the middle part of the interlayer sunshade aluminum plate 1 is provided with multiple connecting angle brackets 21, and the middle part of the interlayer sunshade aluminum plate 1 is fixed to the third steel column 8 through multiple connecting angle brackets 21; while the upper and lower ends of the interlayer sunshade aluminum plate 1 can be fixed to the adjacent crossbeams by screws or rivets.

[0043] By setting up interlayer sunshade aluminum panels 1, on the one hand, it serves as a transition between the upper and lower aluminum panel curtain wall units and the glass curtain wall units, ensuring the appearance of the joints; on the other hand, interlayer sunshade aluminum panels 1 can block the vertical sunlight, achieving a better sunshade effect in conjunction with aluminum single panels 5.

[0044] Furthermore, a U-shaped connector 22 is provided between adjacent interlayer sunshade aluminum panels 1, and adjacent interlayer sunshade aluminum panels 1 are connected and fixed by the U-shaped connector 22 to ensure the stable connection of adjacent interlayer sunshade aluminum panels 1.

[0045] As attached Figure 6 As shown, a sealing strip 23 is provided between the end of the curtain wall glass 2 and the second steel column 7 to ensure the sealing between the horizontal glass curtain wall unit and the aluminum panel curtain wall unit.

[0046] In summary, this application combines glass curtain wall units with aluminum panel curtain wall units to form a double-sided curtain wall, which can achieve a comprehensive shading value SCw≤0.4, a building energy saving rate of 70%, and improve the effective lighting rate, thereby reducing energy consumption and light radiation, which meets the development needs of energy-saving curtain walls.

[0047] The above embodiments are only for illustrating the technical concept and features of the present invention. Their purpose is to enable those skilled in the art to understand the content of the present invention and implement it. They should not be used to limit the scope of protection of the present invention. All equivalent changes or modifications made in accordance with the spirit and essence of the present invention should be covered within the scope of protection of the present invention.

Claims

1. A prefabricated double-layer facade energy-saving sunshade curtain wall system, characterized in that: It includes multiple glass curtain wall units, aluminum panel curtain wall units and interlayer sunshade aluminum panels (1); the multiple glass curtain wall units and aluminum panel curtain wall units are spaced apart in the horizontal direction and staggered in the vertical direction; the interlayer sunshade aluminum panels (1) are disposed between adjacent glass curtain wall units and aluminum panel curtain wall units. The glass curtain wall unit includes curtain wall glass (2) and supporting keel. The curtain wall glass (2) is installed and fixed on the supporting keel. The supporting keel is provided with a transition angle steel (3). The supporting keel is installed on the inter-floor beam (4) of the building through the transition angle steel (3). The aluminum panel curtain wall unit includes an aluminum panel (5) and a backing steel frame. The aluminum panel (5) is fixedly installed on the backing steel frame. The backing steel frame is equipped with a hanging assembly. The backing steel frame is installed on the inter-floor beam (4) of the building through the hanging assembly. The backing steel frame includes a first steel column (6), a second steel column (7), a third steel column (8), two trapezoidal frames (9), and multiple triangular frames (10). The trapezoidal frames (9) are used to connect the first steel column (6), the second steel column (7), and the third steel column (8) into a whole. The two trapezoidal frames (9) are horizontally connected and fixed to the backing steel frame. The top and bottom ends of the first steel column (6), the second steel column (7) and the third steel column (8); a plurality of the triangular frames (10) are horizontally and evenly arranged between two trapezoidal frames (9), and the vertex of each triangular frame (10) is connected and fixed to the first steel column (6), the second steel column (7) and the third steel column (8) respectively; the aluminum single panel (5) is arranged along the outer periphery of the trapezoidal frame (9), and the upper and lower ends of the aluminum single panel (5) are respectively connected and fixed to the two trapezoidal frames (9), and the inner ends of the aluminum single panel (5) are respectively connected and fixed to the first steel column (6) and the second steel column (7); The middle part of the interlayer sunshade aluminum plate (1) is connected and fixed to the third steel column (8), and the upper and lower ends of the interlayer sunshade aluminum plate (1) are respectively connected and fixed to the adjacent supporting keel.

2. The prefabricated double-layer facade energy-saving sunshade curtain wall system according to claim 1, characterized in that: The supporting keel includes aluminum alloy columns (11) and aluminum alloy beams (12) that are connected and fixed to each other. An aluminum alloy subframe (13) is provided on the aluminum alloy beam (12), and the curtain wall glass (2) is connected and fixed to the aluminum alloy beam (12) through the aluminum alloy subframe (13).

3. The prefabricated double-layer facade energy-saving sunshade curtain wall system according to claim 2, characterized in that: One end of the transition angle steel (3) is fixed to the inter-story beam (4) of the building, and the other end is connected to the aluminum alloy column (11). A first horizontal elongated hole (14) is provided at the connection position of the transition angle steel (3) and the aluminum alloy column (11). The first horizontal elongated hole (14) is used to adjust the front and rear position of the aluminum alloy column (11).

4. The prefabricated double-layer facade energy-saving sunshade curtain wall system according to claim 1, characterized in that: The mounting assembly includes a first connector (15), a second connector (16), a steel mounting plate (17), and a steel mounting base (18); the first connector (15) is fixed to the inner side of the first steel column (6), the steel mounting plate (17) is fixed on the first connector (15), the steel mounting base (18) is installed on the second connector (16), the second connector (16) is fixed on the inter-floor beam (4), and the steel mounting plate (17) cooperates with the steel mounting base (18).

5. A prefabricated double-layer facade energy-saving sunshade curtain wall system according to claim 4, characterized in that: A height adjustment bolt (19) is provided on the steel hanging plate (17), and the bottom end of the height adjustment bolt (19) abuts against the steel hanging seat (18); a second horizontal elongated hole (20) is provided at the connection position of the steel hanging seat (18) and the second connecting piece (16), and the second horizontal elongated hole (20) is used to adjust the front and rear position of the steel hanging seat (18).

6. The prefabricated double-layer facade energy-saving sunshade curtain wall system according to claim 1, characterized in that: The middle part of the interlayer sunshade aluminum plate (1) is provided with multiple connecting angle brackets (21), and the middle part of the interlayer sunshade aluminum plate (1) is fixed to the third steel column (8) through multiple connecting angle brackets (21); U-shaped connectors (22) are provided between adjacent interlayer sunshade aluminum plates (1), and adjacent interlayer sunshade aluminum plates (1) are connected and fixed through the U-shaped connectors (22).

7. The prefabricated double-layer facade energy-saving sunshade curtain wall system according to claim 1, characterized in that: A sealing strip (23) is provided between the end of the curtain wall glass (2) and the second steel column (7).

8. A prefabricated double-layer facade energy-saving sunshade curtain wall system according to claim 1, characterized in that: The trapezoidal frame (9) has a right-angled trapezoidal cross section. Both the triangular frame (10) and the trapezoidal frame (9) are composed of multiple angle steels connected end to end.

9. A prefabricated double-layer facade energy-saving sunshade curtain wall system according to claim 8, characterized in that: The inner side of the triangular frame (10) is provided with insulating rock wool (24).

10. A prefabricated double-layer facade energy-saving sunshade curtain wall system according to claim 1, characterized in that: The first steel column (6) and the third steel column (8) are provided with an inclined stiffening angle steel (25).

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