A multi-cavity thermal insulation structure for aluminum panel curtain walls suitable for extremely cold regions

Abstract

This invention relates to the field of aluminum panel curtain walls, and discloses a multi-cavity thermal insulation structure for aluminum panel curtain walls suitable for extremely cold regions. The structure includes curtain wall modules connected by a first connecting pipe. Each curtain wall module includes symmetrically arranged mounting plates. A positioning plate is located on the left side of the lower mounting plate. A circulation pump is fixedly installed on the left side of the positioning plate, and a circulation pipe connected to the circulation pump is installed on the right side of the positioning plate. A liquid-passing plate is fixedly installed in the middle of the right side of the mounting plate, and a baffle is fixedly installed on the side of the liquid-passing plate. A rotating cylinder is located on the right side of the liquid-passing plate, and a support plate is located outside the rotating cylinder. A support shaft is installed between the support plate and the rotating cylinder. A rotating column is located on the right side of the rotating cylinder, and a rotating rod is fitted in the middle of the rotating column. Slide plates are symmetrically fitted at both ends of the rotating rod, and a top plate is fixedly installed on the right end of the slide plates. This invention, mainly through circulation and the use of antifreeze, enables the aluminum panel curtain wall to be used in extremely cold environments, increasing its cold resistance.

Description

Technical Field

[0001] This invention relates to the field of aluminum panel curtain walls, and in particular to a multi-cavity thermal insulation structure for aluminum panel curtain walls suitable for extremely cold regions. Background Technology

[0002] Aluminum panel curtain walls, with their advantages of being lightweight and high-strength, having flexible shapes, and excellent weather resistance, are widely used in public buildings, airport terminals, and large stadiums in extremely cold regions. However, extremely cold environments place stringent requirements on the thermal insulation, frost resistance, and structural reliability of curtain wall systems. Existing aluminum panel curtain wall insulation structures mostly employ a single insulation layer combined with a thermal break joist, which reveals the following prominent problems under extreme low temperatures (such as below -40℃) and large temperature difference cycling conditions:

[0003] First, the thermal bridging effect is difficult to eliminate. Obvious heat loss channels are formed at the penetration of the keel, the connection of the board seam, and the anchoring nodes. Even if the thickness of the insulation layer is increased, local thermal bridging will still cause the inner surface temperature to be lower than the dew point, causing condensation, frost, and even frost heave damage, which seriously affects the insulation effect and indoor comfort.

[0004] Secondly, the risks of condensation and ice expansion are prominent. Traditional sealed cavities lack effective humidity control and drainage design. Driven by the temperature difference between indoors and outdoors in winter, water vapor can easily penetrate into the insulation layer and condense into ice. The expansion of ice crystals can cause deformation of the panels, loosening of connectors, and even sealing failure and structural damage.

[0005] Third, there is insufficient deformation coordination and displacement adaptability. Aluminum plates have a large coefficient of linear expansion. In extremely cold regions, the temperature difference between day and night and between seasons can reach more than 60°C. Repeated expansion and contraction of the plate leads to fatigue cracking of the sealant joints and stress concentration at fixed nodes. A single cavity structure cannot provide sufficient space for deformation release and elastic compensation.

[0006] Fourth, traditional insulation systems lack active antifreeze and dynamic adjustment capabilities. For areas prone to snow and ice accumulation, such as eaves and overhangs, passive insulation alone cannot prevent ice dam formation and freeze-thaw cycles from eroding the joints. There is an urgent need for an integrated insulation structure that can combine heat medium circulation, mechanical de-icing, or adaptive adjustment functions. Summary of the Invention

[0007] The purpose of this invention is to overcome the shortcomings of the prior art and provide a multi-cavity thermal insulation structure for aluminum panel curtain walls suitable for extremely cold regions.

[0008] This invention is achieved through the following technical solution:

[0009] A multi-cavity thermal insulation structure for aluminum panel curtain walls suitable for extremely cold regions includes curtain wall modules. First connecting pipes connect the curtain wall modules. Each curtain wall module includes symmetrically arranged mounting plates. A positioning plate is located on the left side of the lower mounting plate. A circulation pump is fixedly installed on the left side of the positioning plate surface. A circulation pipe is installed on the right side of the positioning plate surface and connected to the circulation pump. A liquid-passing plate is fixedly installed in the middle of the right side of the mounting plate. A baffle is fixedly installed on the side of the liquid-passing plate. A rotating cylinder is located on the right side of the liquid-passing plate. A support plate is installed outside the rotating cylinder. A support shaft is installed between the support plate and the rotating cylinder. A rotating column is located on the right side of the rotating cylinder. A rotating rod is fitted in the middle of the rotating column. Slide plates are symmetrically fitted at both ends of the rotating rod. A top plate is fixedly installed on the right end face of the slide plate. A guide rod is fitted in the middle of the slide plate, allowing the guide rod to be fixedly assembled with the mounting plate. A limit block is fitted on the surface of the guide rod. A helical spring is installed between the limit block and the slide plate.

[0010] Preferably, the circulation pipe is S-shaped and is connected to the circulation pump.

[0011] Preferably, a second connecting pipe is installed between the circulation pipe and the lowermost liquid-passing plate, and a third connecting pipe is installed between the second connecting pipe and the uppermost liquid-passing plate. The circulation pipe is connected to the second connecting pipe, the second connecting pipe is connected to the third connecting pipe, and the second connecting pipe and the third connecting pipe are respectively connected to the corresponding liquid-passing plates.

[0012] Preferably, the liquid-passing plate is a hollow structure, and the liquid-passing plate communicates with the baffle. The baffle is also a hollow structure, and the baffle is attached to the surface of the rotating cylinder. The surface of the rotating cylinder is fitted with a sponge layer.

[0013] Preferably, the guide rod slides in conjunction with the slide plate, the slide plate is L-shaped, and the slide plate and the rotating rod are movably assembled.

[0014] Preferably, the rotating column is a triangular prism structure, and the plane of the rotating column after rotation is on the same plane as the top plate.

[0015] Preferably, the support plate is fixedly assembled with the mounting plate, the support shaft is fixedly assembled with the rotating cylinder, and a bearing is installed between the support shaft and the support plate.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] This invention integrates a heat transfer fluid circulation channel within the curtain wall module, consisting of a circulating pump, an S-shaped circulation pipe, a second / third connecting pipe, a liquid-passing plate, and a baffle. This continuously introduces heated antifreeze into the rotating drum sponge layer tightly adhering to the back of the panel, ensuring that the surfaces near the eaves, panel edges, and splicing seams remain above freezing, thus inhibiting icicle freezing and ice dam accumulation at the source. Simultaneously, a triangular prism rotating column fixed on the support shaft inside the rotating drum rotates with the drum. Its three planes sequentially push the two ends of the rotating rod through the L-shaped sliding plate along the guide rod, compressing the helical spring and causing the top plate to perform a periodic reciprocating push-out and retract motion, thereby superimposing a heat conduction-based ice melting effect. The intermittent mechanical shearing / micro-vibration peeling effect is more efficient and less likely to damage the aluminum panel coating than pure electric heating cables or pure rigid ice scraping solutions. Individual modules can be independently isolated for replacement and maintenance, and the upper limit block on the guide rod mechanically limits the travel of the sliding plate, ensuring the reliability of long-term reciprocating motion. More importantly, this active anti-freeze and de-icing system reduces the repeated freeze-thaw soaking and ice expansion compression of the panel joint sealant by rain and snow, indirectly maintaining the long-term effectiveness of the multi-cavity insulation structure and the airtight / watertight system. This allows the curtain wall to maintain thermal insulation and energy saving, structural safety, and low-maintenance operation even under extreme cold conditions of -40°C, strong winds, and large temperature differences between day and night. This invention mainly utilizes circulation and antifreeze to enable the aluminum panel curtain wall to be used in extremely cold environments, increasing its cold resistance. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of the present invention.

[0019] Figure 2 This is an enlarged view of the curtain wall module of the present invention.

[0020] Labeling Explanation: A. Curtain Wall Module, 1. First Connecting Pipe, 2. Positioning Plate, 3. Circulation Pump, 4. Circulation Pipe, 5. Second Connecting Pipe, 6. Third Connecting Pipe, 7. Mounting Plate, 8. Liquid Passing Plate, 9. Baffle, 10. Guide Rod, 11. Limiting Block, 12. Helical Spring, 13. Slide Plate, 14. Rotating Rod, 15. Top Plate, 16. Rotating Column, 17. Support Plate, 18. Support Shaft, 19. Rotating Cylinder. Detailed Implementation

[0021] The technical solutions of the embodiments of the present invention will be clearly and completely described 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.

[0022] Please see Figure 1-2 The present invention provides a technical solution:

[0023] A multi-cavity thermal insulation structure for aluminum panel curtain walls suitable for extremely cold regions includes curtain wall modules A, with a first connecting pipe 1 connecting the curtain wall modules A. Each curtain wall module A includes symmetrically arranged mounting plates 7. A positioning plate 2 is located on the left side of the lower mounting plate 7. A circulation pump 3 is fixedly installed on the left side of the positioning plate 2, and a circulation pipe 4 is installed on the right side of the positioning plate 2, connected to the circulation pump 3. A liquid-passing plate 8 is fixedly installed in the middle of the right side of the mounting plate 7, and a baffle 9 is fixedly installed on the side of the liquid-passing plate 8. A rotating cylinder 19 is located on the right side of the liquid-passing plate 8, and a support plate 1 is installed outside the rotating cylinder 19. 7. A support shaft 18 is installed between the support plate 17 and the rotating cylinder 19. A rotating column 16 is located on the right side of the rotating cylinder 19. A rotating rod 14 is fitted in the middle of the rotating column 16. Slide plates 13 are symmetrically fitted at both ends of the rotating rod 14. A top plate 15 is fixedly installed on the right end face of the slide plate 13. A guide rod 10 is fitted in the middle of the slide plate 13, so that the guide rod 10 is fixedly assembled with the mounting plate 7. A limit block 11 is fitted on the surface of the guide rod 10. A helical spring 12 is installed between the limit block 11 and the slide plate 13. The rotating cylinder 19 is used to drive the rotating column 16 to rotate circumferentially, so that the rotating column 16 reciprocates along the guide rod 10.

[0024] The circulation pipe 4 is S-shaped and is connected to the circulation pump 3.

[0025] A second connecting pipe 5 is installed between the circulation pipe 4 and the lowermost liquid-passing plate 8, and a third connecting pipe 6 is installed between the second connecting pipe 5 and the uppermost liquid-passing plate 8. The circulation pipe 4 is connected to the second connecting pipe 5, the second connecting pipe 5 is connected to the third connecting pipe 6, and the second connecting pipe 5 and the third connecting pipe 6 are respectively connected to the corresponding liquid-passing plates 8.

[0026] The liquid-passing plate 8 is a hollow structure and communicates with the baffle 9. The baffle 9 is also a hollow structure and is attached to the surface of the rotating cylinder 19. The surface of the rotating cylinder 19 is covered with a sponge layer.

[0027] The guide rod 10 is slidably engaged with the slide plate 13. The guide rod 10 is equipped with a limiting joint corresponding to the slide plate 13. The slide plate 13 is an L-shaped plate. The slide plate 13 is movably assembled with the rotating rod 14.

[0028] The rotating column 16 is a triangular prism structure, and the plane of the rotating column 16 after rotation is on the same plane as the top plate 15.

[0029] The support plate 17 is fixedly assembled with the mounting plate 7, the support shaft 18 is fixedly assembled with the rotating drum 19, and a bearing is installed between the support shaft 18 and the support plate 17.

[0030] An aluminum plate (not shown) is fixedly installed between the right end faces of the two top plates 15. The aluminum plate can be fixed between the two top plates 15 by means of screw fixing, welding, or snap-fit ​​fixing.

[0031] Operating Procedures: When used in extremely cold weather, the heated antifreeze is pumped into the circulation pipe 4 through the circulation pump 3. The antifreeze then enters the lower liquid flow plate 8 through the second connecting pipe 5, and then flows into the upper liquid flow plate 8 through the third connecting pipe 6. Subsequently, it flows along each liquid flow plate 8 into the corresponding baffle 9, filling the cavity of the baffle 9 and contacting the sponge layer on the surface of the rotating cylinder 19, providing continuous heating for the sponge layer. When the rotating cylinder 19 rotates along the support shaft under the thrust of the liquid flow, it will drive the central triangular prism rotating column 16 to rotate synchronously. Each edge of the rotating column 16 pushes against the rotating cylinder 19 in sequence, causing the sliding plates 13 at both ends of the rotating rod 14 to slide outward along the guide rod 10 against the elastic force of the spiral spring, driving the top plate 15 to push outward toward the outer surface of the curtain wall, thus pushing and shearing the ice attached to the surface of the panel. When the edge of the rotating column 16 rotates away from the rotating cylinder 19, the sliding plate 13 quickly retracts and resets under the elastic force of the helical spring 12. As the rotating cylinder 19 continues to drive the rotating column 16 to rotate, the top plate 15 makes periodic reciprocating motion along the guide rod 10, applying intermittent micro-vibration and shear force to the ice layer on the basis of ice melting, promoting the peeling of the ice layer from the surface of the aluminum plate connected between the two top plates 15; multiple curtain wall modules A are connected through the first connecting pipe 1, which can realize the series circulation of antifreeze in the entire curtain wall system, and can also control the circulation flow rate separately for easily frozen parts such as eaves and cantilever, so as to achieve precise temperature control and antifreeze; when maintenance is required, the faulty curtain wall module A can be isolated and replaced separately without affecting the normal operation of the entire curtain wall system.

[0032] This specific embodiment is merely an explanation of the present invention and is not intended to limit the present invention. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but as long as they are within the scope of the claims of the present invention, they are protected by patent law.

Claims

1. A multi-cavity thermal insulation structure for aluminum panel curtain walls suitable for extremely cold regions, comprising a curtain wall module (A), characterized in that: A first connecting pipe (1) connects the curtain wall modules (A). The curtain wall module (A) includes symmetrically arranged mounting plates (7). A positioning plate (2) is provided on the left side of the mounting plate (7) located on the lower side. A circulation pump (3) is fixedly installed on the left side of the surface of the positioning plate (2). A circulation pipe (4) is installed on the right side of the surface of the positioning plate (2). The circulation pipe (4) is connected to the circulation pump (3). A liquid-passing plate (8) is fixedly installed in the middle of the right side of the mounting plate (7). A baffle (9) is fixedly installed on the side of the liquid-passing plate (8). A rotating drum (19) is provided on the right side of the liquid-passing plate (8). A support is provided outside the rotating drum (19). A support shaft (18) is installed between the plate (17) and the rotating cylinder (19). A rotating column (16) is located on the right side of the rotating cylinder (19). A rotating rod (14) is fitted in the middle of the rotating column (16). Slide plates (13) are symmetrically fitted at both ends of the rotating rod (14). A top plate (15) is fixedly installed on the right end face of the slide plate (13). A guide rod (10) is fitted in the middle of the slide plate (13) so that the guide rod (10) is fixedly assembled with the mounting plate (7). A limit block (11) is fitted on the surface of the guide rod (10). A helical spring (12) is installed between the limit block (11) and the slide plate (13).

2. The multi-cavity thermal insulation structure for aluminum panel curtain walls suitable for extremely cold regions according to claim 1, characterized in that: The circulation pipe (4) is S-shaped and is connected to the circulation pump (3).

3. The multi-cavity thermal insulation structure for aluminum panel curtain walls suitable for extremely cold regions according to claim 1, characterized in that: A second connecting pipe (5) is installed between the circulation pipe (4) and the bottommost liquid-passing plate (8), and a third connecting pipe (6) is installed between the second connecting pipe (5) and the topmost liquid-passing plate (8). The circulation pipe (4) is connected to the second connecting pipe (5), the second connecting pipe (5) is connected to the third connecting pipe (6), and the second connecting pipe (5) and the third connecting pipe (6) are respectively connected to the corresponding liquid-passing plate (8).

4. The multi-cavity thermal insulation structure for aluminum panel curtain walls suitable for extremely cold regions according to claim 1, characterized in that: The liquid-passing plate (8) is a hollow structure and is connected to the baffle (9). The baffle (9) is a hollow structure and is attached to the surface of the rotating cylinder (19). The surface of the rotating cylinder (19) is covered with a sponge layer.

5. The multi-cavity thermal insulation structure for aluminum panel curtain walls suitable for extremely cold regions according to claim 1, characterized in that: The guide rod (10) and the slide plate (13) are in sliding engagement. The slide plate (13) is an L-shaped plate. The slide plate (13) and the rotating rod (14) are movably assembled.

6. The multi-cavity thermal insulation structure for aluminum panel curtain walls suitable for extremely cold regions according to claim 1, characterized in that: The rotating column (16) is a triangular prism structure, and the plane of the rotating column (16) after rotation is on the same plane as the top plate (15).

7. The multi-cavity thermal insulation structure for aluminum panel curtain walls suitable for extremely cold regions according to claim 1, characterized in that: The support plate (17) is fixedly assembled with the mounting plate (7), the support shaft (18) is fixedly assembled with the rotating drum (19), and a bearing is installed between the support shaft (18) and the support plate (17).

Images