Ultralow-energy-consumption unit curtain wall node

Abstract

The utility model relates to the technical field of curtain walls, in particular to an ultra-low energy consumption unit curtain wall node which comprises an upper cross beam and a lower cross beam, through openings are formed in the positions, right opposite to hollow glass, of the upper cross beam and the lower cross beam, rigid foam polyurethane is filled in the through openings, the upper cross beam and the lower cross beam are partially matched in an inserted connection mode, and a first sealing rubber strip is pressed in a fit clearance. The opposite faces of the upper cross beam and the lower cross beam define a first channel and a second channel which are separated by the inserting and matching position, the first sealing rubber strip extends into the first channel, and a second sealing rubber strip and a third sealing rubber strip which are used for pressing the first sealing rubber strip and blocking the first channel are arranged in the first channel. The rigid foam polyurethane is located between the second sealing rubber strip and the third sealing rubber strip. The mode of pouring and filling the rigid foam polyurethane is adopted, so that the rigid foam polyurethane and the aluminum alloy profile are integrally formed, the situation that the heat transfer efficiency is reduced due to direct contact of the hollow glass and the aluminum alloy profile is avoided, water leakage and air leakage can be reduced or even avoided, and energy consumption can be reduced.

Description

Technical Field

[0001] This utility model relates to the field of curtain wall technology, and in particular to an ultra-low energy consumption unit curtain wall node. Background Technology

[0002] Unitized curtain walls refer to building curtain walls where various wall panels and supporting frames are manufactured as complete basic curtain wall structural units in a factory and directly installed on the main structure. Compared to traditional framed curtain walls, unitized curtain walls are all fabricated and assembled in the factory. On-site installation only requires hoisting, and the unit components are directly fixed to the main structure. This eliminates the need to install individual components to form a frame before installing the glass. This structure has several advantages: ① Shorter construction period; ② Because the joints of the unit components are formed by interlocking, it has excellent adaptability to deformation caused by temperature changes, and produces less noise during displacement; ③ The fabrication and assembly of unit components are completed in the factory, resulting in better quality control than on-site installation. The internal quality of the unit components is better than on-site assembly, thus improving the overall quality of the curtain wall.

[0003] Conventional unitized curtain walls use strip-type thermal insulation profiles. These profiles consist of two thermal insulation strips connecting the inner and outer parts of an aluminum profile, thus preventing heat conduction and achieving energy savings. However, the outer thermal insulation strip of this type of profile is prone to aging due to contact with outside air and rainwater. Aged strips exhibit reduced thermal insulation and sealing performance, leading to leaks and an inability to effectively prevent heat conduction within the aluminum profile. Utility Model Content

[0004] In view of this, the present invention provides an ultra-low energy consumption unitized curtain wall node, which aims to solve the problems of water and air leakage and ineffective heat conduction between the aluminum profile and the interior and exterior of conventional unitized curtain walls using through-strip thermal insulation profiles.

[0005] To address the aforementioned issues, this utility model provides an ultra-low energy consumption unitized curtain wall node, comprising adjacent upper and lower horizontal beams. Insulating glass is installed at the opposite ends of both the upper and lower horizontal beams. Each of the upper and lower horizontal beams has an opening on its side facing the insulating glass, filled with rigid polyurethane foam. The upper and lower horizontal beams are partially interlocked inside the insulating glass, with a first sealing strip pressed into the interlocking gap. The opposing surfaces of the upper and lower horizontal beams form a first channel and a second channel separated by the interlocking joint. The first channel is closer to the insulating glass than the second channel. The first sealing strip extends into the first channel. A second and third sealing strip are provided within the first channel to press the first sealing strip and seal the first channel. The rigid polyurethane foam is located between the second and third sealing strips.

[0006] Optionally, the upper crossbeam is provided with a slot, the lower crossbeam is provided with an insert, the slot is provided with a first water-filtering sponge, the insert is inserted into the slot and presses the first sealing strip onto the first water-filtering sponge.

[0007] Optionally, a second water-filtering sponge is used to seal the end of the second channel away from the insulating glass.

[0008] Optionally, the lower crossbeam has a edging at one end located inside the insulating glass, and the second filter sponge has an extension, which is pressed against the end face of the upper crossbeam located inside the insulating glass by the edging.

[0009] Optionally, a fourth sealing strip is pressed between the edging and the end face of the upper crossbeam located inside the insulating glass.

[0010] Optionally, a sealing plate is laid in the second channel, the sealing plate forming a drainage trough for receiving water leaking from the gap between the upper crossbeam and the lower crossbeam.

[0011] Optionally, the lower crossbeam is provided with multiple cavities, the drainage groove is connected to the cavities through through holes, the lowest cavity is provided with a drainage hole, and the inner wall of the cavity is attached with a water-proof and heat-insulating layer.

[0012] Optionally, both the upper crossbeam and the lower crossbeam can be detachably connected with a cover, the cover being pressed against the outer side of the insulating glass, and a fifth sealing strip being pressed between the cover and the outer side of the insulating glass, the fifth sealing strip extending circumferentially around the insulating glass to fully cover it.

[0013] Optionally, the first channel is connected to the outside, and the first sealing strip extends along the lower crossbeam to the opening where the first channel connects to the outside. The upper surface of the portion of the first sealing strip that is attached to the lower crossbeam has a slope to facilitate drainage to the opening.

[0014] Optionally, PE foam is provided between the rigid polyurethane foam and the end of the insulating glass.

[0015] Compared with the prior art, the technical solution of this utility model has the following advantages:

[0016] 1. In the first channel formed by the upper and lower crossbeams, sealing strips are used to isolate the composite of aluminum alloy profile and rigid polyurethane foam from the outside environment. The sealing strips on the outside of the rigid polyurethane foam can effectively prevent the rigid polyurethane foam from contacting the outside air and rainwater, thus delaying the aging of the rigid polyurethane foam and preventing the thermal insulation performance of the rigid polyurethane foam from declining. The rigid polyurethane foam is filled by casting, so that the rigid polyurethane foam and the crossbeam (aluminum alloy profile) are integrally formed, avoiding direct contact between the insulated glass and the crossbeam (aluminum alloy profile) and reducing heat transfer efficiency, thereby achieving the effect of reducing energy consumption. The sealing strips on both sides of the rigid polyurethane foam can prevent water and air leakage in the first channel. Combined with the second channel formed by the upper and lower crossbeams, the rigid polyurethane foam is isolated from the wall (or interior), further enhancing the effect of preventing water and air leakage and preventing heat conduction between the aluminum profile and the outside.

[0017] 2. The channel formed by the upper and lower crossbeams is divided into a first channel and a second channel by a convex-concave interlocking structure. The first channel is sealed with a sealing strip, and the interlocking joint is also sealed with a sealing strip. The second channel is equipped with a water-absorbing sponge and a drainage hole for timely drainage. This combination design not only has the function of leaking water and air, but also isolates the indoor and outdoor environments, reduces indoor and outdoor air circulation and heat transfer, and further reduces energy consumption, thereby achieving an ultra-low energy consumption effect.

[0018] 3. The upper and lower horizontal beams are sealed with continuous, fully enclosed sealing strips on the outer side of the insulating glass unit on the exterior side, giving the unitized curtain wall system high wind pressure resistance, air tightness, water tightness, sound insulation, and thermal insulation performance.

[0019] 4. An aluminum alloy sealing plate is laid in the second channel to serve as a drainage channel, so as to prevent water leaking into the second channel from directly contacting the lower beam and causing corrosion, which would affect the structural strength of the lower beam.

[0020] 5. By designing the cavity inside the lower crossbeam to connect with the drainage channel, accumulated water can be drained in a timely manner, preventing the drainage channel from becoming full of water and causing leakage.

[0021] 6. By installing filter sponges at both ends of the second channel, the amount of water leakage from the first channel into the second channel and the amount of water leakage from the second channel into the room can be reduced. Attached Figure Description

[0022] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1This is a structural cross-sectional view of the ultra-low energy consumption unit wall node in an embodiment of this utility model.

[0024] In the diagram: Upper crossbeam 1, slot 11, lower crossbeam 2, insert 21, edging 22, cavity 23, limiting claw 231, insulated glass 3, opening 4, rigid polyurethane foam 5, first sealing strip 61, protrusion 611, second sealing strip 62, third sealing strip 63, fourth sealing strip 64, fifth sealing strip 65, first channel 71, second channel 72, first water filter sponge 81, second water filter sponge 82, extension 821, sealing plate 9, water-proof and heat-insulating layer 10, cover 12, PE foam 13, aluminum alloy support strip 14. Detailed Implementation

[0025] The specific embodiments of this utility model will now be described in detail with reference to the accompanying drawings. Obviously, the described embodiments are merely some, not all, of the embodiments of this utility model. Based on the description of this utility model, all other embodiments obtained by those skilled in the art without inventive effort are within the scope of protection of this utility model.

[0026] Unless otherwise explicitly specified and limited, the terms "setup," "installation," and "connection" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium. Those skilled in the art can understand the specific meaning of these terms based on the specific circumstances.

[0027] The terms “upper,” “lower,” “left,” “right,” “front,” “back,” “top,” “bottom,” “inner,” and “outer,” etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product is in use. They are used only for the convenience of description and simplification, 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 this utility model.

[0028] The terms “first,” “second,” “third,” etc., are used merely to distinguish elements with similar properties, not to indicate or imply relative importance or a specific order.

[0029] The terms “include,” “comprising,” or any other variation thereof are intended to cover non-exclusive inclusion, which includes not only the elements listed but also other elements not expressly listed.

[0030] Please refer to Figure 1This utility model provides an ultra-low energy consumption unitized curtain wall node, including an upper horizontal beam 1 and a lower horizontal beam 2 that are adjacent to each other, preferably made of aluminum alloy profiles. The upper horizontal beam 1 is located above the lower horizontal beam 2. A double-glazed glass 3 is installed on the side of the upper horizontal beam 1 that is away from the lower horizontal beam 2, and a double-glazed glass 3 is also installed on the side of the lower horizontal beam 2 that is away from the upper horizontal beam 1. The double-glazed glass 3 is preferably tempered laminated double-glazed glass.

[0031] Both the upper crossbeam 1 and the lower crossbeam 2 are provided with openings 4. These openings 4 are strip-shaped, resembling the side end (specifically the bottom or top end) of the insulating glass 3, and are directly opposite the side end of the insulating glass 3. Rigid polyurethane foam 5 is integrally molded into the opening 4 using a casting filling process. The upper and lower sides of the rigid polyurethane foam 5 are flush with the opening of the opening 4. Screws can also be horizontally installed within the opening 4, passing through the rigid polyurethane foam 5, to fix its position.

[0032] A portion of the upper crossbeam 1 is partially interlocked with a portion of the lower crossbeam 2. Both interlocking portions are located inside the insulating glass unit 3, and a first sealing strip 61 is pressed into the interlocking gap. The lower surface of the upper crossbeam 1 and the upper surface of the lower crossbeam 2 form a horizontal channel, which is divided into two by the interlocking joint, forming a first channel 71 and a second channel 72. The first channel 71 is closer to the insulating glass unit 3 than the second channel 72. The first sealing strip 61 is elongated, with one end pressed against the interlocking joint along its length. The remaining portion of the first sealing strip 61 extends into the first channel 71 and lies flat along the upper surface of the lower crossbeam 2. Preferably, a retaining strip protrudes from the lower surface of the portion of the first sealing strip 61 within the first channel 71, and the upper surface of the lower crossbeam 2 has a recessed groove into which the retaining strip is engaged.

[0033] The first channel 71 is further provided with a second sealing strip 62 and a third sealing strip 63 for sealing the first channel 71. The second sealing strip 62 and the third sealing strip 63 are located on both sides of the rigid polyurethane foam 5. The top ends of the second sealing strip 62 and the third sealing strip 63 are pressed against the upper crossbeam 1, and the bottom ends are pressed against the upper surface of the first sealing strip 61. Preferably, the top of the second sealing strip 62 and the third sealing strip 63 has a protruding retaining strip, and the lower surface of the upper crossbeam 1 has a recessed retaining groove, in which the retaining strip is engaged. Preferably, the first sealing strip 61, the second sealing strip 62, and the third sealing strip 63 are all made of EPDM sealing strips. The second sealing strip 62 and the third sealing strip 63 are both integrally formed from top to bottom into three parts: a connecting part, a hollow part, and a contact part. The connecting part is a retaining strip. The hollow part is in the shape of a circle, ellipse, triangle, square, etc., with an internal hollow shape. The contact part consists of at least two legs extending from the bottom of the hollow part. Each leg presses against the upper surface of the first sealing strip 61. The sealing surface formed by each leg and the first sealing strip 61 is a sealing barrier.

[0034] Specifically, the upper crossbeam 1 has a recessed slot 11 on the lower surface of the inner side of the insulating glass 3 (i.e., the side of the insulating glass 3 facing the interior), and the upper surface of the lower crossbeam 2 has an upwardly protruding insert 21 at the corresponding position. The bottom of the slot 11 is filled with a first water-filtering sponge 81. The insert 21 is inserted into the slot 11 and presses the first sealing strip 61 onto the first water-filtering sponge 81. The surface of the first sealing strip 61 facing the inner wall of the slot 11 has multiple protrusions 611. The protrusions 611 press against the surface of the upper crossbeam 1, and each protrusion 611 is a barrier to prevent water and air leakage. The top of the insert 21 has a slot, and the first sealing strip 61 has a downwardly protruding clip that is locked in the slot.

[0035] Furthermore, a second water-filtering sponge 82 is sealed at the end of the second channel 72 away from the insulating glass 3; an edge 22 is provided at the end of the lower crossbeam 2 located inside the insulating glass 3, and an extension 821 protrudes from the upper right corner of the second water-filtering sponge 82. The edge 22 presses the extension 821 tightly against the end face of the upper crossbeam 1 located inside the insulating glass 3; a fourth sealing strip 64 is pressed between the edge 22 and the end face of the upper crossbeam 1 located inside the insulating glass 3. The fourth sealing strip 64 is located above the extension 821 of the second water-filtering sponge 82, and the fourth sealing strip 64 is preferably made of EPDM sealing strip.

[0036] Furthermore, a sealing plate 9, preferably an aluminum alloy sealing plate, is laid inside the second channel 72. The sealing plate 9 is laid against the bottom and side walls of the second channel 72, and the inner wall of the sealing plate 9 forms a drainage channel. The drainage channel is used to receive water that leaks into the second channel 72 through the gap between the upper crossbeam 1 and the lower crossbeam 2. The sealing plate 9 has holes in the wall of the drainage channel for drainage. The lower crossbeam 2 is provided with multiple cavities 23. Through holes are provided at the partitions between the side walls of the second channel 72 and the cavities 23, as well as at the partitions between adjacent cavities 23. The through holes allow water in the drainage channel to flow into the cavities 23. The lowest cavity 23 has a drainage hole at its bottom. Water in the drainage channel flows through multiple cavities 23. After entering the lowest cavity 23, the water flows out of the cavity 23 through the drain hole of the lower crossbeam 2. The inner wall of the cavity 23 is attached with a water-proof and heat-insulating layer 10, such as a rigid foam layer or a polyurethane layer formed by foaming materials. The water-proof and heat-insulating layer 10 can prevent water from corroding the inner wall of the profile. The inlet and outlet holes of the cavity 23 penetrate the water-proof and heat-insulating layer 10. The inner wall of the cavity 23 is also integrally formed with a Y-shaped limiting claw 231. The water-proof and heat-insulating layer 10 wraps around the limiting claw 231 and fills the interior of the limiting claw 231, so that the water-proof and heat-insulating layer 10 and the limiting claw 231 are connected as one, so that the water-proof and heat-insulating layer 10 cannot move relative to the lower crossbeam 2.

[0037] Furthermore, the first channel 71 is connected to the outside. The first sealing strip 61 extends along the lower crossbeam 2 to the opening between the first channel 71 and the outside. The upper surface of the part of the first sealing strip 61 that is attached to the lower crossbeam 2 has a slope. The part of the first sealing strip located in the first channel 71 is lower as it gets closer to the outside, which is suitable for drainage to the opening. Even if rainwater enters the first channel 71 from the opening, it is difficult for the rainwater to flow upward along the inclined upper surface of the first sealing strip into the depth of the first channel 71.

[0038] Furthermore, both the upper crossbeam 1 and the lower crossbeam 2 are detachably connected to a cover 12. Both the upper crossbeam 1 and the lower crossbeam 2 have a hook at one end of the opening of the first channel 71. One end of the cover 12 is fastened to the hook, and the other end is pressed against the outer side of the insulating glass 3. A fifth sealing strip 65 is pressed between the cover 12 and the outer side of the insulating glass 3. The fifth sealing strip 65 extends circumferentially along the insulating glass 3 and completely covers it.

[0039] Specifically, the cover 12 and the upper crossbeam 1 (or lower crossbeam 2) form an installation groove, and the insulating glass 3 is inserted into the installation groove to achieve installation; an aluminum alloy support strip 14 is fixed at the bottom of the installation groove to support the insulating glass 3, so that a certain space is formed between the bottom end of the insulating glass 3 and the rigid polyurethane foam 5, and PE foam 13 is placed in the space.

[0040] In summary, compared with the prior art, the technical solution of this utility model has the following advantages:

[0041] In the first channel formed by the upper and lower crossbeams, sealing strips isolate the composite of aluminum alloy profile and rigid polyurethane foam from the outside environment. The sealing strips on the outside of the rigid polyurethane foam effectively prevent it from contacting outside air and rainwater, thus delaying its aging and preventing a decline in its thermal insulation performance. By using a casting-filling method, the rigid polyurethane foam and the crossbeam (aluminum alloy profile) are integrally formed, preventing direct contact between the insulated glass and the crossbeam (aluminum alloy profile) and reducing heat transfer efficiency, thereby achieving the effect of reducing energy consumption. The sealing strips on both sides of the rigid polyurethane foam can prevent water and air leakage in the first channel. Combined with the second channel formed by the upper and lower crossbeams, the rigid polyurethane foam is isolated from the wall (or interior), further enhancing the effect of preventing water and air leakage and preventing heat conduction between the aluminum profile and the outside.

[0042] The channel formed by the upper and lower crossbeams is divided into a first channel and a second channel by a convex-concave interlocking structure. The first channel is sealed with a sealing strip, and the interlocking joint is also sealed with a sealing strip. The second channel is equipped with a water-absorbing sponge and a drainage hole for timely drainage. In addition to the functions of water and air leakage, this combination design can also isolate the indoor and outdoor environments, reduce indoor and outdoor air circulation and heat transfer, further reduce energy consumption, and thus achieve the effect of ultra-low energy consumption.

[0043] The upper horizontal beam 1 and the lower horizontal beam 2 are pressed against the outer surface of the insulating glass 3 with continuous, fully enclosed sealing strips on the outdoor side, so that the unit curtain wall system has high wind pressure resistance, air tightness, water tightness, sound insulation and thermal insulation performance.

[0044] An aluminum alloy sealing plate 9 is laid inside the second channel 72 to serve as a drainage channel, preventing water leaking into the second channel 72 from directly contacting the lower crossbeam 2 and causing corrosion, which would affect the structural strength of the lower crossbeam 2.

[0045] By designing the cavity 23 inside the lower crossbeam 2 to connect with the drainage channel, accumulated water can be drained in time, preventing the drainage channel from becoming full of water and causing leakage.

[0046] By installing filter sponges at both ends of the second channel 72, the amount of water leakage from the first channel 71 into the second channel 72 can be reduced, as can the amount of water leakage from the second channel 72 into the room.

[0047] The above description is only a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model.

Claims

1. A low-energy-consumption unit wall node, characterized in that, The device includes an adjacent upper and lower crossbeam, with insulated glass units installed at opposite ends of both crossbeams. Each crossbeam has an opening on its side facing the insulated glass, filled with rigid polyurethane foam. The upper and lower crossbeams are partially interlocked inside the insulated glass, with a first sealing strip pressed into the gap. The opposing surfaces of the upper and lower crossbeams form a first channel and a second channel separated by the interlocking joint. The first channel is closer to the insulated glass than the second channel. The first sealing strip extends into the first channel. The first channel contains a second and a third sealing strip for pressing the first sealing strip and sealing the first channel. The rigid polyurethane foam is located between the second and third sealing strips.

2. The ultra-low energy consumption unit curtain wall node according to claim 1, characterized in that, The upper crossbeam is provided with a slot, the lower crossbeam is provided with an insert, the slot is provided with a first water-filtering sponge, the insert is inserted into the slot and presses the first sealing strip onto the first water-filtering sponge.

3. The ultra-low energy consumption unit curtain wall node according to claim 1, characterized in that, The end of the second channel away from the insulating glass is sealed with a second water-filtering sponge.

4. The ultra-low energy consumption unit curtain wall node according to claim 3, characterized in that, The lower crossbeam has a edging at one end located inside the insulating glass, and the second water-filtering sponge has an extension portion, which is pressed tightly against the end face of the upper crossbeam located inside the insulating glass by the edging.

5. The ultra-low energy consumption unit curtain wall node according to claim 4, characterized in that, A fourth sealing strip is pressed between the edge and the end face of the upper crossbeam located on the inner side of the insulating glass.

6. The ultra-low energy consumption unit curtain wall node according to claim 1, characterized in that, The second channel is lined with a sealing plate, which forms a drainage trough to receive water leaking from the gap between the upper and lower crossbeams.

7. The ultra-low energy consumption unit curtain wall node according to claim 6, characterized in that, The lower crossbeam has multiple cavities, and the drainage channel is connected to the cavities through through holes. The lowest cavity has a drainage hole, and the inner wall of the cavity is covered with a water-proof and heat-insulating layer.

8. The ultra-low energy consumption unit curtain wall node according to claim 1, characterized in that, Both the upper and lower crossbeams are detachably connected to a cover. The cover is pressed against the outer side of the insulating glass. A fifth sealing strip is pressed between the cover and the outer side of the insulating glass. The fifth sealing strip extends circumferentially around the insulating glass and completely covers it.

9. The ultra-low energy consumption unit curtain wall node according to claim 1, characterized in that, The first channel is connected to the outside. The first sealing strip extends along the lower crossbeam to the opening where the first channel connects to the outside. The upper surface of the portion of the first sealing strip that is attached to the lower crossbeam has a slope, which is suitable for draining water into the opening.

10. The ultra-low energy consumption unit curtain wall node according to claim 1, characterized in that, PE foam is placed between the rigid polyurethane foam and the end of the insulating glass.

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