CN210767198U - A design of interior wall without thermal bridge for light steel passive house - Google Patents

Abstract

The utility model provides an inner wall without thermal bridge design for a light steel passive house, comprising an inner wall and a house body base, the inner wall is arranged perpendicular to the house body base, and the house body base sequentially comprises a ground base, a base fixed layer, The base thermal insulation layer and the base covering layer, the inner wall includes the inner wall fixed layer and the isolation layer, the isolation layer is arranged on the upper part of the inner wall fixed layer, the isolation layer and the inner wall fixed layer are fixedly connected by the light steel keel wall frame, and the inner wall fixed layer is fixed and connected. The bottom is located in the ground base, the utility model reduces heat transfer and meets the requirements of the passive house. And the isolation layer, the whole structure is clear and reasonable, the fixed layer of the inner wall reaches the interior of the ground base, and the isolation layer is fixed and connected by the light steel keel wall frame, so that the inner wall has a solid foundation and increases the stability of the entire house.

Description

A design of interior wall without thermal bridge for light steel passive house

technical field

The utility model relates to the field of passive houses, in particular to a design of an inner wall without thermal bridges for light steel passive houses.

Background technique

Passive house construction has now been rolled out on a large scale in China. Passive Houses are built regardless of building type, including office buildings, housing, school buildings, gymnasiums, and industrial buildings. Compared with ordinary building doors and windows, the biggest difference between Passive House is that Passive House can rely on its own good thermal insulation performance without using traditional air conditioning, heating and other active heating and cooling methods. This system realizes the free heat gain and heat recovery fresh air system of the indoor environment by means of solar radiation, human body heat release, indoor lighting, and electrical heat dissipation. As for light steel, its main material is a light steel keel synthesized by hot-dip galvanized steel strip through cold rolling technology. After accurate calculation and the support and combination of accessories, it has a reasonable bearing capacity to replace traditional houses.

The wall of the passive house is the main load-bearing structure. In the whole house, the outer wall is mainly the load-bearing wall, and the inner wall is built on the ground, which is only used to separate the internal space of the house. The practice shows that the passive house relies on its own system to achieve The internal temperature is constant, and it is necessary to meet the design of excellent air tightness, thermal insulation connection, and no thermal bridge. The above three points are very important for the construction of the passive house. The design of the thin-walled light steel passive house has no thermal bridge design. The decisive role is not only to reduce heat transfer, but also to stably support the entire thin-walled light steel house.

Utility model content

The purpose of the utility model is to overcome the shortcomings of the above-mentioned traditional technology, and to provide a kind of reasonable structure without thermal bridge, which can effectively realize the support of the whole thin-walled light steel passive house.

The purpose of this utility model is achieved through the following technical measures: a thermal bridge-free design for an inner wall of a light steel passive house, including an inner wall and a house body base, the inner wall is set perpendicular to the house body base, and its It is characterized in that: the base of the house body sequentially includes a ground base layer, a base fixed layer, a base thermal insulation layer and a base covering layer, the inner wall includes an inner wall fixed layer and an isolation layer, and the isolation layer is arranged on the inner wall fixed layer. In the upper part, the isolation layer and the inner wall fixing layer are fixedly connected by a light steel keel wall frame, the bottom of the inner wall fixing layer is located in the ground base layer, and the upper surface of the inner wall fixing layer is connected to the base The top surface of the fixed layer is flush.

The fixed layer of the inner wall reaches the interior of the ground base, and the isolation layer is fixed and connected by the light steel keel wall frame, so that the inner wall has a solid foundation. At the same time, the inner wall can bear the pressure of a part of the house, increasing the stability of the whole house.

As a preferred solution, both sides of the isolation layer are covered with calcium silicate plates, and the calcium silicate plates and the isolation layer are fixedly connected by fastening bolts.

As a preferred solution, the calcium silicate plate is arranged at a position of 8-10 cm from the bottom of the isolation layer to the upper surface of the connection with the base covering layer.

As a preferred solution, the calcium silicate board is provided with an Osson board to cover the isolation layer.

As a preferred solution, the outside of the calcium silicate board is covered with a vapor barrier film, and the vapor barrier film covers the entire calcium silicate board and covers a part of the Osson board upward.

As a preferred solution, a vapor barrier film is arranged between the base fixing layer and the base thermal insulation layer, and a vapor barrier film is also arranged between the inner wall fixing layer and the isolation layer.

As a preferred solution, a waterproof and breathable membrane is provided between the base thermal insulation layer and the base cover layer and between the vapor barrier film and the base cover layer.

As a preferred solution, the surface of the base covering layer is covered with a decorative surface layer.

As a preferred solution, the outermost layer of the inner wall is covered with gypsum board, and the gypsum board covers the connection between the inner wall and the base of the house.

As a preferred solution, the outermost layer of the connection between the inner wall and the base of the house is provided with a skirting line.

Due to the adoption of the above technical solutions, compared with the prior art, the advantages of the present utility model are: the present utility model provides a structure with no thermal bridge design for the inner wall of the light steel passive house, which reduces heat transfer and satisfies the Passive house requirements, by dividing the base of the house into ground base, base fixed layer, base thermal insulation layer and base covering layer, the inner wall is divided into inner wall fixed layer and isolation layer, the whole structure is clear and reasonable, and the inner wall fixed layer has been reached Inside the ground base, the isolation layer is fixed and connected by the light steel keel wall frame, so that the inner wall has a solid foundation. The inner wall fixed layer and a part of the isolation layer are surrounded by the base of the house, the stability of the inner wall is guaranteed, and the inner wall can be Bear the pressure of a part of the house and increase the stability of the whole house.

The present utility model will be further described below with reference to the accompanying drawings and specific embodiments.

Description of drawings

FIG. 1 is a schematic diagram of the overall structure of a design of a light steel passive house without thermal bridges in the interior wall of the present invention.

Fig. 2 is an enlarged schematic view of the structure at position A of an interior wall without thermal bridge design for a light steel passive house according to the present invention.

FIG. 3 is an enlarged schematic view of the structure at position B of a design for a light steel passive house without thermal bridges in the interior wall of the present invention.

Detailed ways

Example: As shown in Figures 1-3, a design for an interior wall without thermal bridges for a light steel passive house includes an interior wall and a house body base, the interior wall is arranged perpendicular to the house body base, and is characterized in that: : The base of the house body sequentially includes a ground base layer 11, a base fixed layer 12, a base thermal insulation layer 13 and a base cover layer 14, and the inner wall includes an inner wall fixed layer 21 and an isolation layer 22, and the isolation layer 22 is provided in the The upper part of the inner wall fixing layer 21, the isolation layer 22 and the inner wall fixing layer 21 are fixedly connected by the light steel keel wall frame 3, the bottom of the inner wall fixing layer 21 is located in the ground base layer 11, and the The upper surface of the inner wall fixing layer 21 is flush with the upper surface of the base fixing layer 12 . The inner wall fixed layer 21 reaches the interior of the ground base layer 11, and the isolation layer 22 of the inner wall is fixedly connected to the inner wall through the light steel keel wall frame 3, so that the inner wall has a solid foundation, and the inner wall fixed layer and a part of the isolation layer are surrounded by the base of the house. , the stability of the inner wall is guaranteed, and at the same time, the inner wall can bear the pressure of a part of the house, increasing the stability of the whole house.

In this embodiment, the most base layer is formed by tamping plain soil, and the soil on the ground is tamped to form a stable base structure. The base fixed layer is formed of reinforced concrete, and the reinforced concrete and the concrete have approximately the same linear expansion coefficient, and will not generate excessive stress due to different environments. Secondly, there is good adhesion between the steel bar and the concrete, and sometimes the surface of the steel bar is also processed into spaced ribs (called deformed steel bars) to improve the mechanical engagement between the concrete and the steel bars. In addition, the alkaline environment provided by the calcium hydroxide in the concrete forms a passivation protective film on the surface of the steel bar, which makes the steel bar less susceptible to corrosion compared with neutral and acidic environments. The base insulation layer is XPS insulation board, XPS insulation board has a perfect closed-cell honeycomb structure, this structure makes XPS board have extremely low water absorption (almost no water absorption), low thermal conductivity, high compression resistance, anti-aging ( There is almost no aging decomposition phenomenon in normal use). The covering layer is a fine stone concrete layer to ensure good compactness of the concrete. Since no vibration is required, the time required for concrete pouring is greatly shortened, the labor intensity of workers is greatly reduced, the number of workers required is reduced, and there will be no surface bubbles or surface bubbles. Honeycomb pitted surface does not need surface repair; it can realistically present the texture or shape of the template surface without vibrating, and can be poured into structures with complex shapes, thin walls and dense reinforcement.

The fixed layer of the inner wall is a reinforced concrete layer, and the insulating layer is EO-grade glass wool. The glass wool is a coil material made to meet the needs of large-scale laying. It has excellent fireproof, shock absorption and sound absorption characteristics, which is conducive to reducing noise pollution and improving the environment. .

As shown in FIG. 1 and FIG. 3 , both sides of the isolation layer 22 are covered with calcium silicate plates 4 , and the calcium silicate plates 4 are fixedly connected to the isolation layer 22 by fastening bolts 41 . Calcium silicate board is a new type of building and industrial board with excellent performance. Its products are fireproof, moisture-proof, soundproof, moth-proof and durable, while gypsum board is a kind of light weight, high strength and thin thickness. It is widely used in the interior partition walls and wall cladding panels of various buildings (instead of the wall plastering layer).

As shown in FIG. 1 and FIG. 2 , the calcium silicate plate 4 is provided at a position of 8-10 cm from the bottom of the isolation layer 22 to the upper surface of the connection with the base covering layer 14 . The calcium silicate board 4 is provided with an osson board 5 to cover the isolation layer 22 . Calcium silicate board 4 is used to decorate the outer wall of the entire thin-walled light-weight steel passive house, and play a certain role in anti-impact and buffering to prevent the impact from affecting the air-tight structure of the entire thin-walled light-weight steel passive house.

The outside of the calcium silicate board 4 is covered with a vapor barrier film 6 , and the vapor barrier film 6 covers the entire calcium silicate board 4 and upwardly covers a part of the Osson board 5 . A vapor barrier film 6 is arranged between the base fixing layer 12 and the base heat insulating layer 13 , and a vapor barrier film 6 is also arranged between the inner wall fixing layer 21 and the isolation layer 22 . The vapor barrier film can enhance the air tightness and water tightness of the building, slow down the discharge rate of water vapor in the concrete structure and indoor moisture to the insulation layer, prevent the formation of condensation, protect the thermal performance of the thermal insulation material and maintain the structure, and reduce the energy consumption of the building. It also provides moisture-proof and reflective properties.

A waterproof and breathable membrane 7 is provided between the base thermal insulation layer 13 and the base cover layer 14 and between the vapor barrier film 6 and the base cover layer 14 .

As shown in FIG. 1 , the surface of the base covering layer 14 is covered with a decorative surface layer 15 . The decorative surface layer 15 covers other parts of the base of the house body, making the base of the whole house body beautiful. The outermost layer of the inner wall is covered with gypsum board 23, and the gypsum board 23 covers the connection between the inner wall and the base of the house. Gypsum board is a kind of building material with light weight, high strength, thin thickness, convenient processing and good sound insulation, heat insulation and fire resistance. plastering layer). The outermost layer of the connection between the inner wall and the base of the house is provided with a skirting line 8 .

During construction, the reinforced concrete of the inner wall fixing layer 21 is prepared first, then the plain soil around the inner wall fixing layer 21 is compacted to form the ground base layer 11, and the base fixing layer 12 is laid above the ground base layer 11, so that the base fixing layer and the ground base layer 11 are laid. The fixed layer of the inner wall is flush, and a layer of vapor barrier film 6 is laid on the surface to enhance air tightness and water tightness, slow down the speed of the water vapor and indoor moisture in the concrete structure being discharged to the thermal insulation layer, prevent condensation from forming, and fix the inner wall. Above the layer 21, the isolation layer 22 is fixed by the light steel keel wall frame 3, the lower part of the isolation layer 22 is covered with the calcium silicate board 4 and the vapor barrier film 6 in turn, and then the multi-layer base insulation layer 13 is laid on the base fixed layer 12. A layer of waterproof and breathable membrane 7 is laid on the base thermal insulation layer 13, and the waterproof and breathable membrane has the characteristics of high temperature resistance. The waterproof and breathable membrane 7 separates the base covering layer 14 from the base thermal insulation layer 13, the base covering layer 14 and the inner wall, then lays the base covering layer 14, and finally lays the decorative surface layer 15 on the surface. Lay the gypsum board 23 on both sides, and finally lay the skirting line 8 at the connection between the decorative surface layer 15 and the gypsum board 23 .

Claims (10)

1. An interior wall does not have thermal bridge structure for passive room of light steel, includes interior wall and room body base, interior wall perpendicular to room body base sets up its characterized in that: the room body basal portion includes ground basic unit, basal portion fixed bed, basal portion heat preservation and basal portion overburden in proper order, the interior wall includes interior wall fixed bed and isolation layer, the isolation layer is located interior wall fixed bed upper portion, the isolation layer with interior wall fixed bed passes through light gauge steel wall frame fixed connection, the bottom on interior wall fixed bed is located in the ground basic unit, the upper surface on interior wall fixed bed with the upper surface parallel and level on basal portion fixed bed.

2. The structure of claim 1, wherein the structure is characterized in that: the isolation layer both sides all cover and have calcium silicate board, calcium silicate board with the isolation layer passes through fastening bolt fixed connection.

3. The structure of claim 2, wherein the structure is characterized in that: the calcium silicate board is arranged at a position 8-10cm from the bottom of the isolation layer to the upper surface of the joint with the base covering layer.

4. The structure of claim 3, wherein the structure is characterized in that: an Oldham plate is arranged on the calcium silicate plate and covers the isolation layer.

5. The structure of claim 4, wherein the structure is characterized in that: the outer side of the calcium silicate board is covered with a steam-isolating film, and the steam-isolating film covers the whole calcium silicate board and upwards covers a part of the europaea board.

6. The structure of claim 5, wherein the structure is characterized in that: and a steam-isolating film is arranged between the base fixing layer and the base heat-insulating layer, and a steam-isolating film is also arranged between the inner wall fixing layer and the insulating layer.

7. The structure of claim 6, wherein the structure is characterized in that: waterproof and breathable films are arranged between the base insulating layer and the base covering layer and between the vapor-barrier film and the base covering layer.

8. The structure of claim 7, wherein the structure is characterized in that: the surface of the base cover layer is covered with a decorative surface layer.

9. The structure of claim 8, wherein the structure is characterized in that: the outermost layer of the inner wall is covered with a gypsum board, and the gypsum board covers the joint of the inner wall and the base of the house body.

10. An interior wall non-thermal bridge structure for a light steel passive house according to any one of claims 1 to 9, wherein: the outmost layer of the joint of the inner wall and the base of the house body is provided with a skirting line.

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