CN220285107U

CN220285107U - Curtain wall structure

Info

Publication number: CN220285107U
Application number: CN202321754839.5U
Authority: CN
Inventors: 王娜; 李蕾; 樊仕英
Original assignee: Shenzhen Kejian Construction Group Co ltd
Current assignee: Shenzhen Kejian Construction Group Co ltd
Priority date: 2023-07-05
Filing date: 2023-07-05
Publication date: 2024-01-02
Anticipated expiration: 2033-07-05

Abstract

The utility model discloses a curtain wall structure which comprises a main wall, a curtain wall component, a fireproof component and a heat insulation component, wherein the curtain wall component is arranged on one side of the main wall and is enclosed with the main wall to form an installation space, the fireproof component comprises a fixed steel plate and the fireproof component, the fireproof component is arranged in the installation space through the fixed steel plate, and the heat insulation component is arranged between the fixed steel plate and the curtain wall component. The technical scheme of the utility model aims to ensure that a fixed steel plate cannot form a heat bridge or a cold bridge, thereby ensuring the heat preservation and heat insulation performance of the curtain wall.

Description

Curtain wall structure

Technical Field

The utility model relates to the technical field of fireproof building decoration, in particular to a curtain wall structure.

Background

With the wide adoption of external heat insulation systems of building external walls and the increasing of super high-rise buildings. The fire-proof safety problem of the buildings in China faces an increasingly serious situation. The interlayer fireproof blocking of the building curtain wall is an important link in the building fireproof structure, and has the main effects of playing a role in blocking the way of spreading smoke, minimizing casualties, effectively blocking and slowing down the spread of flame, and preventing the flame from directly damaging human bodies and building components.

At present, interlayer fireproof blocking of building curtain wall adopts fixed steel plate and main structure and curtain wall frame to be connected reliably generally, and inside packing rock wool board can isolate flue gas and flame effectively like this, slows down the diffusion of flue gas and flame when conflagration, but fixed steel plate's coefficient of heat conductivity is higher, has seriously influenced the thermal insulation performance of curtain wall.

Disclosure of Invention

The utility model mainly aims to provide a curtain wall structure, which aims to ensure that a fixed steel plate cannot form a hot bridge or a cold bridge, so that the heat preservation and heat insulation performance of the curtain wall is ensured.

In order to achieve the above object, the present utility model provides a curtain wall structure, which includes:

a main wall;

the curtain wall assembly is arranged on one side of the main wall and is enclosed with the main wall to form an installation space;

the fireproof assembly comprises a fixed steel plate and a fireproof piece, and the fireproof piece is arranged in the installation space through the fixed steel plate; a kind of electronic device with high-pressure air-conditioning system

And the heat insulation piece is arranged between the fixed steel plate and the curtain wall component.

In one embodiment, the thermal shield is an aerogel pad.

In an embodiment, the fireproof piece and the fixed steel plate are respectively a rock wool plate and a galvanized steel plate, the galvanized steel plate is connected to the main wall and forms an installation cavity with the main wall, the rock wool plate is arranged in the installation cavity, and the aerogel pad is wrapped on the galvanized steel plate and is positioned on one surface of the galvanized steel plate opposite to the rock wool plate.

In one embodiment, the aerogel pad is bonded to the galvanized steel sheet by a fire-resistant sealant.

In one embodiment, the aerogel pad has a thickness of 2mm to 20mm.

In an embodiment, the aerogel pad comprises a first connecting portion clamped between the curtain wall assembly and the galvanized steel sheet and a second connecting portion positioned on two sides of the galvanized steel sheet, and the thickness of the first connecting portion is larger than that of the second connecting portion.

In an embodiment, the galvanized steel sheet includes the bottom plate and with the curb plate that the bottom plate is connected, the bottom plate with the curb plate encloses and closes and form the cavity, the rock wool board is located in the cavity, the bottom plate is around the accent of cavity is equipped with the mount pad, the mount pad is equipped with the connection through-hole, the connection through-hole with the main wall passes through the screw connection.

In an embodiment, the curtain wall structure further comprises an insulation layer, wherein the insulation layer is arranged in the installation space and connected with the main wall, and the second connecting portion is arranged between the insulation layer and the galvanized steel sheet.

In one embodiment, the rock wool board is bonded to the main wall by a fire-resistant sealant;

and/or the rock wool board is connected with the main wall through heat preservation nails.

In an embodiment, the curtain wall assembly comprises a bracket and a curtain wall veneer, the curtain wall veneer is connected to the main wall through the bracket, and the curtain wall veneer is opposite to the main wall and is arranged at intervals so as to enclose and form the installation space.

According to the technical scheme, the heat insulation piece is arranged between the fixed steel plate of the interlayer fireproof piece of the curtain wall and the curtain wall component, so that the heat transfer efficiency between the fixed steel plate and the outside is reduced, and the heat insulation performance of the curtain wall structure at the interlayer fireproof component is prevented from being influenced due to the fact that the heat conduction coefficient of the fixed steel plate is too high and a heat bridge or a cold bridge is formed between the fixed steel plate and the outside.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view of a curtain wall structure according to an embodiment of the present utility model.

Reference numerals illustrate:

reference numerals	Name of the name	Reference numerals	Name of the name
				100	Curtain wall structure	22	Rock wool board
1	Main wall	3	Aerogel pad
				2	Fire protection assembly	31	First connecting part
21	Galvanized steel sheet	32	Second connecting part
				211	Bottom plate	4	Curtain wall veneer
212	Side plate	5	Installation space
				213	Mounting table	6	Thermal insulation layer
214	Cavity cavity

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout is meant to include three side-by-side schemes, for example, "a and/or B", including a scheme, or B scheme, or a scheme that is satisfied by both a and B. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The utility model provides a curtain wall structure 100, wherein the curtain wall structure 100 comprises a main wall 1, a curtain wall component, a fireproof component 2 and a heat insulation component, wherein the curtain wall component is arranged on one side of the main wall 1 and is enclosed with the main wall 1 to form an installation space 5, the fireproof component 2 comprises a fixed steel plate and a fireproof component, the fireproof component is arranged in the installation space 5 through the fixed steel plate, and the heat insulation component is arranged between the fixed steel plate and the curtain wall component.

In this embodiment, enclose between curtain subassembly and the main wall 1 and close and form installation space 5, fire prevention subassembly 2 connects in curtain subassembly and main wall 1, fire prevention subassembly 2 locates the interlaminar position of building outer wall, be used for shutoff fire prevention, when the conflagration takes place, can prevent effectively that layer and layer assembly's flue gas from propagating and diffusing, personnel's casualties when reducing the conflagration and taking place, simultaneously, can delay and block the flame along the curtain and spread, reduce the direct injury of flame to people and building elements, fight for the personnel and flee for one's time, reduce life and property loss that the conflagration caused, the firebreak is fixed in the wall through fixed steel sheet, fixed steel sheet has better hardness and rigidity, can firmly connect the firebreak in the wall, at this moment, set up the heat insulating part between curtain subassembly and fixed steel sheet, isolate fixed steel sheet and curtain subassembly, so can avoid curtain structure 100 to form the hot bridge or cold bridge in fixed steel sheet department effectively, influence curtain structure 100 at the thermal insulation performance of the junction of fire prevention subassembly 2.

In practical implementation, the fixed steel plate is connected to the main wall 1 and the curtain wall component, and when the fireproof piece is installed and fixed, the main wall 1 and the curtain wall component are reliably connected at the interlayer position, so that the integrity of the main wall 1 and the curtain wall component at the interlayer position is improved.

In one embodiment, the thermal insulation is an aerogel pad 3.

In this embodiment, the aerogel pad 3 is a heat insulating material with extremely low thermal conductivity, and its heat insulation performance is more than 2000 times of that of the fixed steel plate, so that the heat transfer efficiency between the fixed steel plate and the curtain wall assembly and the main wall 1 can be effectively reduced, the curtain wall structure 100 is prevented from forming a heat bridge or a cold bridge at the fixed steel plate, the heat transfer speed between the room and the outside is reduced, and the heat insulation effect of the curtain wall structure 100 on the room at the installation position of the fireproof assembly 2 is enhanced.

In practical implementation, the aerogel is nano aerogel, and the nano aerogel can bear the high temperature of 600 ℃ to 1000 ℃, can bear the long-time direct firing of flame, and when carrying out heat insulation on the fixed steel plate, the fire resistance of the fireproof assembly 2 at the joint of the fixed steel plate and the curtain wall assembly is enhanced, and the fireproof blocking performance of the curtain wall structure 100 between layers is improved. Meanwhile, the nano aerogel has good stability, is not easy to decompose and deteriorate, and is resistant to various heat radiation and electromagnetic radiation for a long time, and has extremely long service life, so that the service life of the fireproof assembly 2 can be effectively prolonged by taking the nano aerogel as a heat insulation piece, and the maintenance cost of the curtain wall structure 100 is reduced.

In one embodiment, the fireproof piece and the fixed steel plate are respectively a rock wool plate 22 and a galvanized steel plate 21, the galvanized steel plate 21 is connected to the main wall 1 and forms a mounting cavity with the main wall 1, the rock wool plate 22 is arranged in the mounting cavity, and the aerogel pad 3 is wrapped on the galvanized steel plate 21 and is positioned on one surface of the galvanized steel plate 21 opposite to the rock wool plate 22.

In this embodiment, the galvanized steel sheet 21 has good rigidity and corrosion resistance, can be effectively with rock wool board 22 fixed mounting in the wall and be difficult for taking place to warp, simultaneously, the corrosion resistance of galvanized steel sheet 21 can avoid fire prevention subassembly 2 by outside environmental attack, greatly prolong the life of fire prevention subassembly 2, rock wool board 22 has lower coefficient of heat conductivity and better fire resistance, can effectively delay and isolate the spread of flame as the firebreak, the one side of galvanized steel sheet 21 facing away from rock wool board 22 is located to aerogel pad 3, isolate galvanized steel sheet 21 with external environment, reduce the heat transfer rate of galvanized steel sheet 21 like this, increase the fire prevention heat transfer performance of fire prevention subassembly 2.

In practical implementation, according to national relevant specifications such as 'high-rise building design fireproof standard' GB 50045, 'building design fireproof standard' GB 50016, 'glass curtain wall T-path technical standard' JGJ 102, and 'metal and stone curtain wall engineering technical standard' JGJ 133, the thickness of a galvanized steel plate 21 which is commonly adopted for interlayer fireproof blocking of a building curtain wall is not less than 1.5mm, the galvanized steel plate 21 is required to be reliably connected with a main structure and a curtain wall frame, and the thickness of a rock wool plate 22 filled in the interior is not less than 100mm.

In one embodiment, the aerogel pad 3 is bonded to the galvanized steel sheet 21 by a fire-resistant sealant.

In this embodiment, the aerogel pad 3 may be adhesively connected to the galvanized steel sheet 21 by a fire-resistant sealant to ensure that the aerogel pad 3 is tightly connected to the galvanized steel sheet 21. In practical implementation, the aerogel pad 3 can be coated with fireproof sealant on two sides, so that the aerogel pad 3 is tightly connected with the galvanized steel sheet 21 and the curtain wall assembly, gaps between the fireproof assembly 2 and the curtain wall assembly are reduced, and the capability of blocking the smoke diffusion of the fireproof assembly 2 and the heat insulating piece is enhanced.

In one embodiment, the aerogel pad 3 has a thickness of 2mm to 20mm.

In this embodiment, the thickness of the aerogel pad 3 is not less than 2mm, so as to avoid that too small a thickness of the aerogel pad 3 has poor effect of slowing down the heat transfer between the galvanized steel sheet 21 and the outside, which is not beneficial to improving the heat insulation performance of the curtain wall structure 100 at the galvanized steel sheet 21. The thickness of the aerogel pad 3 does not exceed 20mm so as to avoid the excessively thick thickness of the aerogel pad 3, which is unfavorable for the connection of the aerogel pad 3 and the galvanized steel sheet 21 and the connection of the galvanized steel sheet 21 and the curtain wall assembly, and increases the cost. In actual implementation, the set thickness of the aerogel pad 3 is selected according to the use of the building and the fire protection design level.

In one embodiment, the aerogel pad 3 includes a first connection portion 31 interposed between the curtain wall assembly and the galvanized steel sheet 21 and a second connection portion 32 located at both sides of the galvanized steel sheet 21, and the thickness of the first connection portion 31 is greater than the thickness of the second connection portion 32.

In this embodiment, the first connecting portion 31 is directly abutted against the curtain wall assembly, and the galvanized steel sheet 21 is larger in temperature difference with the outside at a position closer to the curtain wall assembly, and the heat transfer speed is faster, so that the thickness of the first connecting portion 31 of the aerogel pad 3 is larger than that of the second connecting portion 32, and the use cost of the aerogel pad 3 can be effectively reduced under the condition of ensuring the heat insulation effect of the aerogel pad 3 on the galvanized steel sheet 21.

In practical implementation, the aerogel pad 3 has good mechanical properties and certain elasticity, so that the aerogel pad 3 can be in interference fit with the curtain wall assembly and the galvanized steel sheet 21, the connection tightness of the aerogel pad 3, the curtain wall assembly and the galvanized steel sheet 21 is improved, and the heat insulation piece plays a role in blocking a flue gas diffusion path.

In an embodiment, the galvanized steel sheet 21 includes a bottom plate 211 and a side plate 212 connected to the bottom plate 211, the bottom plate 211 and the side plate 212 enclose to form a cavity 214, the rock wool plate 22 is disposed in the cavity 214, the bottom plate 211 is disposed around an orifice of the cavity 214, the mounting stand 213 is disposed with a connecting through hole, and the connecting through hole is connected with the main wall 1 through a screw.

In this embodiment, the bottom plate 211 and the side plate 212 of the galvanized steel sheet 21 enclose to form a cavity 214, so that the rock wool plate 22 is fixedly installed in the installation space 5, the cavity opening of the cavity 214 is covered and sealed by the main wall 1, the rock wool plate 22 is in abutting connection with the bottom plate 211, the side plate 212 and the main wall 1, the installation stand 213 is arranged around the cavity opening and is provided with a connecting through hole, and a screw is used to penetrate through the through hole and is nailed into the main wall 1, so that the galvanized steel sheet 21 is fixedly connected with the main wall 1. In practical implementation, the gap between the rock wool plate 22 and the inner wall of the cavity 214 can be filled with fireproof sealant, so as to ensure the tight connection between the rock wool plate 22 and the galvanized steel sheet 21 and ensure the fireproof blocking effect of the rock wool plate 22.

In an embodiment, the curtain wall structure 100 further comprises an insulation layer 6, wherein the insulation layer 6 is arranged in the installation space 5 and is connected with the main wall 1, and the second connecting portion 32 is arranged between the insulation layer 6 and the galvanized steel sheet 21.

In this embodiment, the heat insulation layer 6 is connected to the main wall 1 and is in butt connection with the main wall 1, and the second connection portion 32 of the aerogel pad 3 is erected between the heat insulation layer 6 and the galvanized steel sheet 21, and the second connection portion 32 is tightly connected with the heat insulation layer 6 and the galvanized steel sheet 21, so as to ensure the heat insulation effect of the connection portion of the heat insulation layer 6 and the fireproof assembly 2.

In practical implementation, the heat-insulating layer 6 can be formed by sticking a heat-insulating plate to a wall body, the heat-insulating plate can be adhered to the main wall 1 through a special adhesive, and then the heat-insulating plate and the main wall 1 are connected by using matched heat-insulating nails, so that the heat-insulating plate and the main wall 1 are firmly connected, the heat-insulating plate is prevented from falling off, and the heat-insulating plate can be a graphite polystyrene plate.

In one embodiment, the rock wool board 22 is bonded to the main wall 1 by a fire-resistant sealant; and/or the rock wool board 22 is connected with the main wall 1 by heat preservation nails.

In this embodiment, the rock wool board 22 may be connected with the main wall 1 through a fireproof sealant or a heat insulation nail to reduce the load applied to the galvanized steel sheet 21, improve the firmness of connection between the fireproof assembly 2 and the main wall 1, and reduce the gap between the rock wool board 22 and the main wall 1 to improve the effect of the rock wool board 22 in isolating flame and smoke.

In one embodiment, the curtain wall assembly comprises a bracket and a curtain wall veneer 4, the curtain wall veneer 4 is connected to the main wall 1 through the bracket, and the curtain wall veneer 4 is opposite to the main wall 1 and is arranged at intervals to enclose and form an installation space 5.

In this embodiment, curtain decorative panel 4 accessible support is connected with main wall 1, and the support includes mount and fossil fragments, and the perpendicular wall setting of mount is connected with the wall, and the parallel wall setting of fossil fragments is connected in the one end that the wall was kept away from to the mount, and fossil fragments form the installing frame through main joist and the secondary joist that set up perpendicularly, and curtain decorative panel 4 locates the installing frame and encloses with main wall 1 and close and form installation space 5. In practical implementation, the fixing frame can be connected to the main wall 1 at intervals through bolts, the main joist can be connected with the fixing frame through bolts, the secondary joist can be connected with the main joist through bolts, and the curtain wall veneer 4 can be connected with the main joist and the secondary joist through nailing or bonding, so that the method is not particularly limited.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the specification and drawings of the present utility model or direct/indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. A curtain wall construction, characterized in that it comprises:

a main wall;

2. The curtain wall construction of claim 1, wherein the thermal insulation is an aerogel pad.

3. The curtain wall construction of claim 2, wherein the fire protection member and the fixed steel plate are a rock wool plate and a galvanized steel plate, respectively, the galvanized steel plate is connected to the main wall and forms an installation cavity with the main wall, the rock wool plate is arranged in the installation cavity, and the aerogel pad is wrapped on the galvanized steel plate and is positioned on one surface of the galvanized steel plate facing away from the rock wool plate.

4. The curtain wall construction of claim 3, wherein the aerogel pad is bonded to the galvanized steel sheet by a fire resistant sealant.

5. The curtain wall construction of claim 4, wherein the aerogel pad has a thickness of 2mm to 20mm.

6. The curtain wall construction of claim 5, wherein the aerogel pad comprises a first connection portion sandwiched between the curtain wall assembly and the galvanized steel sheet and a second connection portion on both sides of the galvanized steel sheet, the first connection portion having a thickness greater than a thickness of the second connection portion.

7. The curtain wall construction of claim 6, wherein the galvanized steel sheet comprises a bottom plate and side plates connected to the bottom plate, the bottom plate and the side plates enclose a cavity, the rock wool plate is disposed in the cavity, the bottom plate is provided with a mounting table around a cavity opening of the cavity, the mounting table is provided with a connecting through hole, and the connecting through hole is connected with the main wall through a screw.

8. The curtain wall construction of claim 7, further comprising an insulation layer disposed in the installation space and connected to the main wall, the second connection portion being disposed between the insulation layer and the galvanized steel sheet.

9. The curtain wall construction of claim 8, wherein the rock wool panel is bonded to the main wall with a fire-resistant sealant;

10. The curtain wall construction of any one of claims 1 to 9, wherein the curtain wall assembly comprises a bracket and a curtain wall trim panel, the curtain wall trim panel being connected to the main wall by the bracket, the curtain wall trim panel being disposed opposite and spaced from the main wall to define the installation space.