Heat bridge blocking type wall, mounting method thereof and passive building

Abstract

The invention provides a heat bridge blocking type wall, a mounting method thereof and a passive building. The heat bridge blocking type wall comprises a floor slab, a heat preservation plate and a heat insulation unit. The floor is parallel to the ground; the periphery of the floor is wrapped with a heat preservation plate, and the outer side wall of the heat preservation plate is provided with an inward-concave structure which is aligned with the end face of the floor. The concave structure is filled with a heat insulation unit; the heat insulation unit sequentially comprises a floor heat preservation mortar layer and a vacuum heat insulation plate in the direction away from the floor. By means of the special structural arrangement of the heat preservation plates and the heat insulation units, heat bridge blocking at the position of the floor slab can be achieved, energy consumption is greatly reduced, the facade of the wall is not prominent, the good effect of controlling the overall facade effect and the material consumption is achieved, and meanwhile the system integrity is enhanced.

Description

Technical Field

[0001] The invention belongs to the technical field of passive buildings, and in particular relates to a thermal bridge blocking wall and an installation method thereof, and a passive building. Background Art

[0002] Passive building is an ultra-low energy building concept that emphasizes minimizing the building's reliance on traditional heating and cooling systems by optimizing building design and using efficient energy-saving technologies. Therefore, passive buildings have high requirements for the building's air tightness and thermal insulation performance, and high requirements for the treatment of structural elements that are easy to dissipate heat, such as board joints and windows, to avoid heat transfer through structural elements and reduce thermal bridge effects.

[0003] At present, thermal bridge blocking is usually achieved by setting an insulation layer, but the thickness of the insulation material is usually thicker to reduce the thermal bridge effect. Therefore, the thermal bridge blocking effect in the prior art still needs to be improved, and the insulation material is thicker, the wall has more protruding structures, and the integrity is slightly worse.

[0004] Therefore, it is urgent to design a wall that can block the thermal bridge effect and has better flatness. Summary of the invention

[0005] The present invention provides a thermal bridge blocking wall and an installation method thereof, and a passive building, which are used to solve the problems in the prior art that the thermal bridge blocking nodes are made of thicker insulation materials, the wall has more protruding structures, and the integrity is slightly poor.

[0006] In a first aspect, the present invention provides a thermal bridge blocking wall, comprising: a floor slab, a thermal insulation board and a thermal insulation unit; the floor slab is arranged parallel to the ground; The outer periphery of the floor slab is wrapped with an insulation board, and the outer side wall of the insulation board is provided with an inner concave structure, which is aligned with the end surface of the floor slab; The concave structure is filled with an insulation unit; the insulation unit includes a floor insulation mortar layer and a vacuum insulation panel in sequence in a direction away from the floor.

[0007] Compared with the prior art, the advantages of the present invention are as follows: through the special structural setting of the insulation board and the insulation unit, the thermal bridge at the floor can be blocked, which greatly saves energy consumption, and there is no protrusion on the wall facade, which has a good effect on controlling the overall facade effect and material consumption, while enhancing the integrity of the system.

[0008] Furthermore, the height of the concave structure is greater than the thickness of the floor slab.

[0009] Further, the concave structure extends beyond the upper surface of the floor slab by 100-150 mm in a direction parallel to the thickness of the floor slab; and / or, The concave structure extends beyond the lower surface of the floor slab by 100 to 150 mm in a direction parallel to the thickness of the floor slab.

[0010] Furthermore, the concave length of the concave structure is 10 to 30 mm.

[0011] Furthermore, the insulation unit also includes a steel wire mesh, which is fixedly connected to the surface of the vacuum insulation panel away from the floor insulation mortar layer.

[0012] Furthermore, it also includes a window frame, a window sill, a waterproof breathable membrane and a window sill thermal insulation mortar layer; The window frame is located above the floor slab, and a window sill, a window sill insulation mortar layer and a waterproof breathable membrane are arranged in sequence from top to bottom at the lower part of the window frame close to the outer side of the floor slab.

[0013] Furthermore, an energy-saving auxiliary frame is provided below the window frame, and a waterproof vapor barrier film is provided at the connection between the window frame and the energy-saving auxiliary frame; a pressure top is provided below the energy-saving auxiliary frame.

[0014] In a second aspect, the present invention provides a method for installing a thermal bridge blocking wall, which is used to install the thermal bridge blocking wall described in the first aspect, comprising the following steps: S1: Make the insulation board concave by a specified length in an area of ​​a specified height to obtain a concave structure; S2: Apply thermal insulation mortar on the concave structure to obtain a floor thermal insulation mortar layer; S3: Install a vacuum insulation panel on the surface of the floor insulation mortar layer away from the floor to obtain a thermal bridge blocking wall including an insulation unit.

[0015] Furthermore, after step S3, the method further includes: step S4, fixing a steel mesh on a surface of the vacuum insulation panel away from the floor insulation mortar layer.

[0016] In a third aspect, the present invention provides a passive building, comprising the thermal bridge blocking wall described in the first aspect or a thermal bridge blocking wall installed by the installation method of the thermal bridge blocking wall described in the second aspect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a cross-sectional schematic diagram of a thermal bridge blocking wall in one embodiment of the present invention; Figure 2 A schematic diagram of cross-sectional details of a thermal bridge blocking wall in one embodiment of the present invention; Description of reference numerals: 1. Waterproof breathable membrane; 2. Window sill insulation mortar layer; 3. Window sill board; 4. Energy-saving auxiliary frame; 5. Waterproof vapor barrier membrane; 6. Top pressure; 7. Floor insulation mortar layer; 8. Vacuum insulation board; 9. Steel wire mesh; 10. Insulation board; 11. Studs; 12. Floor; 13. Window frame. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in combination with the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] See also Figure 1 to Figure 2 In a first aspect, the present invention provides a thermal bridge blocking wall, comprising: a floor slab 12, an insulation board 10 and an insulation unit; the floor slab 12 is arranged parallel to the ground; The outer periphery of the floor 12 is wrapped with an insulation board 10, and the outer side wall of the insulation board 10 is provided with a concave structure, which is aligned with the end surface of the floor; The concave structure is filled with an insulation unit; the insulation unit includes a floor insulation mortar layer 7 and a vacuum insulation panel 8 in sequence in the direction away from the floor 12.

[0020] The present invention does not limit the specific material used for the wall, and the commonly used materials in the art can be used.

[0021] In one embodiment, the concave structure extends beyond the upper surface of the floor slab by 100-150 mm in a direction parallel to the thickness of the floor slab.

[0022] In one embodiment, the concave structure extends beyond the lower surface of the floor slab by 100-150 mm in a direction parallel to the thickness of the floor slab.

[0023] In one embodiment, the concave length of the concave structure is 10-30 mm.

[0024] Furthermore, the insulation unit further comprises a steel mesh 9 , which is fixedly connected to a surface of the vacuum insulation panel 8 away from the floor insulation mortar layer 7 .

[0025] Furthermore, it also includes a window frame 13, a window sill 3, a waterproof and breathable membrane 1 and a window sill thermal insulation mortar layer 2; The window frame 13 is located above the floor 12 , and a window sill 3 , a window sill insulation mortar layer 2 and a waterproof breathable membrane 1 are sequentially arranged below the window frame 13 near the outer side of the floor 12 from top to bottom.

[0026] Furthermore, an energy-saving auxiliary frame 4 is provided below the window frame 13 , and a waterproof vapor barrier film 5 is provided at the connection between the window frame 13 and the energy-saving auxiliary frame 4 ; a pressure top 6 is provided below the energy-saving auxiliary frame 4 .

[0027] In a second aspect, the present invention provides a method for installing a thermal bridge blocking wall, which is used to install the thermal bridge blocking wall described in the first aspect, comprising the following steps: S1: making the insulation board 10 concave by a specified length in an area of ​​a specified height to obtain a concave structure; S2: Apply thermal insulation mortar to the concave structure to obtain a floor thermal insulation mortar layer 7; S3: Install the vacuum insulation panel 8 on the surface of the floor insulation mortar layer 7 away from the floor 12 to obtain a thermal bridge blocking wall including an insulation unit.

[0028] Furthermore, after step S3, the method further includes: step S4, fixing and installing a steel mesh 9 on the surface of the vacuum insulation panel 8 away from the floor insulation mortar layer 7.

[0029] Specifically, through structural measures, the waterproof and breathable membrane 1, thermal insulation mortar, metal finished window sill 3, energy-saving auxiliary frame 4, waterproof vapor barrier membrane 5, concrete capping 6 are constructed, and the manufacturer is notified to schedule production. The thermal insulation board 10 within 100mm above and below the floor 12 is recessed by 10mm to obtain a concave structure. When installing the special bolts 11 and the passive thermal insulation board 10, the whole is translated outward by 10mm, so that the outer side of the thermal insulation board 10 protrudes 10mm from the edge of the floor 12. After applying a layer of thermal insulation mortar, it is installed at the concave structure on the outer side of the floor 12. The outer side of the vacuum insulation board 8 is reinforced with a reinforced steel mesh 9. The present invention adjusts the installation structure of the thermal insulation board 10 at the thermal bridge to ensure that there is no protrusion on the wall facade, which has a good effect on controlling the overall facade effect and material consumption, while enhancing the integrity of the system.

[0030] In a third aspect, the present invention provides a passive building, comprising the thermal bridge blocking wall described in the first aspect or a thermal bridge blocking wall installed by the installation method of the thermal bridge blocking wall described in the second aspect.

[0031] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or replace some or all of the technical features therein by equivalents. If these modifications and variations fall within the scope of the claims of the present invention and their equivalent technologies, they should be considered to be within the protection scope of the present invention.

Claims

1. A thermal bridge blocking wall, characterized in that: include: A floor slab (12), a heat-insulating board (10) and a heat-insulating unit; the floor slab (12) is arranged parallel to the ground; The floor slab (12) is wrapped with a heat-insulating plate (10) on its periphery, and an outer wall of the heat-insulating plate (10) is provided with a concave structure, the concave structure being aligned with the end surface of the floor slab; The concave structure is filled with a heat insulation unit; the heat insulation unit comprises a floor slab thermal insulation mortar layer (7) and a vacuum heat insulation panel (8) in sequence in a direction away from the floor slab (12).

2. The thermal bridge blocking wall according to claim 1, characterized in that: The height of the concave structure is greater than the thickness of the floor slab (12).

3. The thermal bridge blocking wall according to claim 2, characterized in that: The concave structure extends 100 to 150 mm beyond the upper surface of the floor slab in a direction parallel to the thickness of the floor slab; and / or The concave structure extends beyond the lower surface of the floor slab by 100 to 150 mm in a direction parallel to the floor slab thickness.

4. The thermal bridge blocking wall according to claim 1, characterized in that: The concave length of the concave structure is 10~30mm.

5. The thermal bridge blocking wall according to claim 1, characterized in that: The thermal insulation unit further comprises a steel wire mesh (9), which is fixedly connected to a surface of the vacuum thermal insulation panel (8) away from the thermal insulation mortar layer of the floor slab (12).

6. The thermal bridge blocking wall according to any one of claims 1 to 5, characterized in that: It also includes a window frame (13), a window sill (3), a waterproof and breathable membrane (1) and a window sill thermal insulation mortar layer (2); The window frame (13) is located above the floor slab (12), and a window sill plate (3), a window sill insulation mortar layer (2) and a waterproof breathable membrane (1) are sequentially arranged below the window frame (13) close to the outer side of the floor slab (12) from top to bottom.

7. The thermal bridge blocking wall according to claim 6, characterized in that: An energy-saving auxiliary frame (4) is also provided below the window frame (13); a waterproof vapor barrier film (5) is provided at the connection between the window frame (13) and the energy-saving auxiliary frame (4); and a pressure top (6) is provided below the energy-saving auxiliary frame (4).

8. A method for installing a thermal bridge blocking wall, used for installing the thermal bridge blocking wall according to any one of claims 1 to 7, characterized in that: The following steps are involved: S1: making the insulation board (10) concave by a specified length in an area of ​​a specified height to obtain a concave structure; S2: Apply thermal insulation mortar to the concave structure to obtain a floor thermal insulation mortar layer (7); S3: Installing a vacuum insulation panel (8) on the surface of the floor insulation mortar layer (7) away from the floor, thereby obtaining a thermal bridge blocking wall including an insulation unit.

9. The method for installing a thermal bridge blocking wall according to claim 8, characterized in that: After step S3, the method further includes: step S4, fixing a steel mesh (9) on a surface of the vacuum insulation panel (8) away from the floor insulation mortar layer (7).

10. A passive building, characterized in that: A thermal bridge blocking wall comprising the thermal bridge blocking wall according to any one of claims 1 to 7 or a thermal bridge blocking wall installed by the installation method of the thermal bridge blocking wall according to claim 8 or 9.

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