CN219219407U

CN219219407U - Ultralow energy consumption wall

Info

Publication number: CN219219407U
Application number: CN202223298874.9U
Authority: CN
Inventors: 赵园生; 刘双吉; 张辉; 王旭; 李怀阳; 凌浩然; 邵巧珍; 郑旭; 郭喜波
Original assignee: Beijing Danuo Construction Technology Development Co ltd; China Architecture Design and Research Group Co Ltd
Current assignee: Beijing Danuo Construction Technology Development Co ltd; China Architecture Design and Research Group Co Ltd
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-06-20
Anticipated expiration: 2032-12-09

Abstract

The utility model discloses an ultralow-energy-consumption wall body, which comprises a structural layer, wherein a heat-insulating material is arranged outside the structural layer, a bubble aluminum film is arranged outside the heat-insulating material, and the heat-insulating material is reinforced by a supporting piece and a keel. The utility model can effectively reduce the radiation heat transfer inside and outside the wall body, further reduce the thickness of the wall body with ultra-low energy consumption, and reduce the risks of hollowing, cracking, falling off and water immersion failure of the heat insulation material.

Description

Ultralow energy consumption wall

Technical Field

The utility model relates to the technical field of building walls, in particular to an ultralow-energy-consumption wall.

Background

The ultra-low energy consumption building is a building which reduces the heating, air conditioning and lighting requirements of the building to the greatest extent through passive building design and provides comfortable indoor environment with the least energy consumption. The design key points of the ultra-low energy consumption building mainly comprise an enclosure structure and energy equipment (system). As an important component of the enclosure structure, the energy consumption level of the building wall is an important index for measuring whether the building reaches ultra-low energy consumption. For example, the "passive ultra-low energy consumption green building technical guide (trial) for residential building" issued by the residential and urban and rural construction department of China requires that the heat transfer coefficient of the outer wall of the ultra-low energy consumption building should meet the requirement that the heat transfer coefficient reaches 0.10-0.20W/(m) in severe cold regions ² K) and 0.10-0.25W/(m) in cold regions ² K) which puts higher demands on the thermal insulation properties of the building wall. At present, the main means for improving the heat insulation performance of the building wall body in China is to strengthen the heat resistance by means of superposition of thicknesses of common external wall heat insulation materials such as rock wool, polystyrene boards and the like, so that the conduction heat transfer inside and outside the wall body is reduced. However, with the increasing thickness of the thermal insulation material, the risk of hollowing, cracking, falling off and water immersion failure of the thermal insulation material of the outer wall is increased.

Disclosure of Invention

The utility model aims to provide an ultralow-energy-consumption wall body, which is characterized in that a bubble aluminum film is additionally arranged on the outdoor side of a common external wall heat insulation material, and a support piece and a keel are utilized to reinforce the heat insulation material, so that the radiation heat transfer inside and outside the wall body can be reduced, and the risks of hollowing, cracking, falling and soaking failure of the heat insulation material are reduced.

In order to achieve the above object of the present utility model, the following technical solutions are specifically adopted:

the utility model provides an ultralow-energy-consumption wall body which comprises a structural layer, wherein a heat-insulating material is arranged at the outdoor side of the structural layer, and a bubble aluminum film is arranged at the outdoor side of the heat-insulating material.

Preferably, in the present utility model, the outer end of the structural layer is connected to the inner end of the bearing member, the outer end of the bearing member is connected to the keel, the inner end of the keel is closely attached to the heat insulation material, and the heat insulation material is located between the inner end and the outer end of the bearing member.

Preferably, in the present utility model, the keel is one or more of an M-shaped keel, a square keel and a C-shaped keel.

Preferably, in the present utility model, the support member includes an L-shaped support member and a T-shaped support member, wherein an indoor end of the L-shaped support member is connected to an outdoor end of the structural layer, an outdoor end of the L-shaped support member is connected to an indoor end of the T-shaped support member by a fastening bolt, an outdoor end of the T-shaped support member is located at an indoor side of the bubble aluminum film, an outdoor end of the T-shaped support member is connected to the keel, and the keel is located at an outdoor side of the bubble aluminum film.

In the present utility model, preferably, a slot a is provided at the outer end of the L-shaped support, a slot B is provided at the inner end of the T-shaped support, the fastening bolt connects the L-shaped support and the T-shaped support sequentially through the slot a, the heat insulation pad a, and the slot B, and the heat insulation pad B is provided between the L-shaped support and the structural layer.

Preferably, in the present utility model, a decorative layer is provided outside the air bubble aluminum film, and the decorative layer is connected with the keel.

Preferably, in the present utility model, the decorative layer is composed of a metal decorative plate, and a clamping edge is arranged at the edge of the metal decorative plate, and the clamping edge is connected with the keel.

Preferably, in the utility model, the heat insulation material is one or more of ceramic cotton, rock wool, polystyrene board, extruded board, graphite polystyrene board, graphite extruded board, polyurethane board and vacuum insulation panel.

Preferably, in the present utility model, the bubble aluminum film is fixed to the outside of the insulating material chamber by a bridge cut-off anchor.

Preferably, in the present utility model, the structural layer is composed of aerated concrete strips.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the bubble aluminum film is additionally arranged on the outdoor side of the external wall heat insulation material, so that the radiation heat transfer inside and outside the wall can be effectively reduced, the technical prejudice that the external wall heat insulation is only concerned with the conduction heat transfer but not the radiation heat transfer in the prior art is overcome, the thickness of the ultralow energy consumption wall can be reduced, the bubble aluminum film can also play an effective role in preventing fire and water and block a heat bridge at a joint of the heat insulation material; the bearing piece and the keel are adopted to replace anchor bolts to reinforce the heat insulation material, so that the defect that the heat insulation material of the outer wall is easy to fall off can be overcome; the decoration layer is arranged outside the keel, so that a better decoration effect can be provided for the building, and meanwhile, the wind resistance and the water resistance of the outer wall of the building are improved; the existence of the keels enables a cavity to be formed between the decorative layer and the bubble aluminum film, and the cavity is favorable for outward diffusion of heat reflected by the bubble aluminum film, so that radiation heat transfer is further reduced.

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 needed in the embodiments will be briefly described below, 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 these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a side cross-sectional view of an ultra-low energy consumption wall according to an embodiment of the present utility model;

FIG. 2 is an enlarged view at A in FIG. 1;

FIG. 3 is an enlarged view at B in FIG. 1;

fig. 4 is an enlarged view at C in fig. 1;

FIG. 5 is an elevation view of an ultra-low energy consumption wall according to an embodiment of the utility model;

FIG. 6 is an enlarged view at D in FIG. 5;

fig. 7 is a schematic view of an M-shaped keel according to an embodiment of the utility model;

figure 8 is a schematic view of a square keel according to an embodiment of the utility model;

figure 9 is a schematic view of a C-shaped keel according to an embodiment of the utility model;

FIG. 10 is a schematic view of an L-shaped bracket according to an embodiment of the utility model;

FIG. 11 is a schematic view of a T-bracket according to an embodiment of the utility model;

FIG. 12 is a schematic view of a support member according to an embodiment of the present utility model;

FIG. 13 is a second schematic view of a support according to an embodiment of the utility model;

in the figure: 1. a structural layer; 2. a thermal insulation material; 3. bubble aluminum film; 4. a support; 41. an L-shaped support; 411. a long hole A; 42. a T-shaped support; 421. a long hole B; 43. a fastening bolt; 44. a heat insulation gasket A; 45. a heat insulation pad B; 5. a keel; 51. an M-shaped keel; 52. square keel; 53. c-shaped keels; 6. a decorative layer; 61. clamping edges; 7. bridge-cut-off anchor bolt; .

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the utility model, fall within the scope of protection of the utility model.

Examples: as shown in fig. 1 to 4, an ultralow-energy-consumption wall according to an embodiment of the utility model comprises a structural layer 1, wherein a heat insulation material 2 is arranged on the outdoor side of the structural layer 1, and a bubble aluminum film 3 is arranged on the outdoor side of the heat insulation material 2; the outdoor end of the structural layer 1 is connected with the indoor end of the supporting piece 4, the outdoor end of the supporting piece 4 is connected with the keel 5, the indoor end of the keel 5 is clung to the heat insulation material 2, and the heat insulation material 2 is positioned between the indoor end and the outdoor end of the supporting piece 4; the outside of the bubble aluminum film 3 is provided with a decorative layer 6, and the decorative layer 6 is connected with the keel 5. The total thickness of the ultralow energy consumption wall body formed by the embodiment is 450mm, wherein the structural layer 1 is a 200mm aerated concrete strip plate, the heat insulation material 2 is 200mm ceramic wool, the bubble aluminum film 3 is a 5mm reflection bubble aluminum heat insulation film, the keel 5 is 15mm, and the decorative layer 6 is a 30mm metal decorative plate.

In the embodiment, heat transfer test is carried out in a national building energy-saving quality inspection and detection center, and the heat transfer coefficient is 0.17W/(m) ² K) meets the requirements of the severe cold region and the cold region in the passive ultra-low energy consumption green building technical guideline (trial) (residential building) on the ultra-low energy consumption building outer wall.

As shown in fig. 5 to 6, in a preferred embodiment of the present utility model, the decorative layer 6 is composed of a metal decorative plate, the edge of the metal decorative plate is provided with a clamping edge 61, and the clamping edge 61 is connected with the keel 5; the bubble aluminum film 3 is fixed on the outdoor side of the heat insulation material 2 through a bridge cutoff anchor bolt 7.

In a preferred embodiment of the present utility model, as shown in fig. 7 to 9, the keel 5 is one or more of an M-shaped keel 51, a square keel 52 and a C-shaped keel 53.

1-4 and 10-12, in a preferred embodiment of the utility model, the heat insulation material 2 is one or more of rock wool, polystyrene board, extruded board, graphite polystyrene board, graphite extruded board, polyurethane board and vacuum insulation board; the bearing piece 4 comprises an L-shaped supporting piece 41 and a T-shaped supporting piece 42, the indoor end of the L-shaped supporting piece 41 is connected with the outdoor end of the structural layer 1, the outdoor end of the L-shaped supporting piece 41 is connected with the indoor end of the T-shaped supporting piece 42 through a fastening bolt 43, the outdoor end of the T-shaped supporting piece 42 is positioned on the indoor side of the bubble aluminum film 3, the outdoor end of the T-shaped supporting piece 42 is connected with the keel 5, and the keel 5 is positioned on the outdoor side of the bubble aluminum film 3; the outer end of the L-shaped support 41 is provided with a slot A411, the inner end of the T-shaped support 42 is provided with a slot B421, the fastening bolt 43 sequentially connects the L-shaped support 41 and the T-shaped support 42 through the slot A411, the heat insulation gasket A44 and the slot B421, and a heat insulation gasket B45 is arranged between the L-shaped support 41 and the structural layer 1.

In a preferred embodiment of the utility model, shown in fig. 13, the support 4 can also be prefabricated as a whole for walls in which the thickness of the insulation 2 has been determined, so as to further enhance its mechanical properties.

The utility model can be implemented by adopting two modes of factory prefabrication and field assembly, and the structural layer can be prefabricated concrete members or aerated concrete strips for jointly assembling the embodiments into a unit plate capable of being hoisted during factory prefabrication; the structural layer may be a shear wall, a infill wall or a beam-column frame when assembled in the field.

In conclusion, the utility model can effectively reduce the radiation heat transfer inside and outside the wall body, further reduce the thickness of the wall body with ultra-low energy consumption, and reduce the risks of hollowing, cracking, falling off and water immersion failure of the heat insulation material.

While particular embodiments of the present utility model have been illustrated and described, it will be appreciated that various other changes and modifications can be made without departing from the spirit and scope of the utility model. It is therefore intended to cover in the appended claims all such changes and modifications that are within the scope of this utility model.

Claims

1. The utility model provides an ultralow energy consumption wall body, includes structural layer (1), its characterized in that, structural layer (1) outdoor side is equipped with heat preservation material (2), heat preservation material (2) outdoor side is equipped with bubble aluminium membrane (3), structural layer (1) outdoor end is connected with bearing piece (4) indoor end, bearing piece (4) outdoor end is connected with fossil fragments (5), fossil fragments (5) indoor end is hugged closely heat preservation material (2), heat preservation material (2) are located between the indoor end and the outdoor end of bearing piece (4).

2. The ultra-low energy consumption wall according to claim 1, wherein the keel (5) is one or more of an M-shaped keel (51), a square keel (52) and a C-shaped keel (53).

3. The ultra-low energy consumption wall according to claim 1, wherein the supporting member (4) comprises an L-shaped supporting member (41) and a T-shaped supporting member (42), the indoor end of the L-shaped supporting member (41) is connected with the outdoor end of the structural layer (1), the outdoor end of the L-shaped supporting member (41) is connected with the indoor end of the T-shaped supporting member (42) through a fastening bolt (43), the outdoor end of the T-shaped supporting member (42) is located at the indoor side of the bubble aluminum film (3), the outdoor end of the T-shaped supporting member (42) is connected with the keel (5), and the keel (5) is located at the outdoor side of the bubble aluminum film (3).

4. The ultralow-energy-consumption wall according to claim 3, wherein a long hole A (411) is formed at the outdoor end of the L-shaped supporting piece (41), a long hole B (421) is formed at the indoor end of the T-shaped supporting piece (42), the fastening bolt (43) sequentially passes through the long hole A (411), the heat insulation gasket A (44) and the long hole B (421) to connect the L-shaped supporting piece (41) and the T-shaped supporting piece (42), and a heat insulation gasket B (45) is arranged between the L-shaped supporting piece (41) and the structural layer (1).

5. The ultra-low energy consumption wall according to claim 4, wherein a decorative layer (6) is arranged on the outdoor side of the bubble aluminum film (3), and the decorative layer (6) is connected with the keel (5).

6. The ultra-low energy consumption wall according to claim 5, wherein the decorative layer (6) is composed of a metal decorative plate, the edge of the metal decorative plate is provided with a clamping edge (61), and the clamping edge (61) is connected with the keel (5).

7. The ultra-low energy consumption wall according to claim 1, wherein the thermal insulation material (2) is one or more of ceramic wool, rock wool, polystyrene board, extruded board, graphite polystyrene board, graphite extruded board, polyurethane board and vacuum insulation board.

8. The ultra-low energy consumption wall according to claim 1, wherein the bubble aluminum film (3) is fixed on the outdoor side of the heat insulation material (2) through a bridge-breaking anchor bolt (7).

9. The ultra-low energy consumption wall according to any one of claims 1-8, wherein the structural layer (1) consists of aerated concrete strips.