Modularized light steel structure outer wall system suitable for near-zero energy consumption building

Abstract

The utility model belongs to the technical field of light steel structure buildings, and relates to a modularized light steel structure outer wall system suitable for near-zero energy consumption buildings, which comprises an outer plate and an inner plate, the inner sheet plate is formed by sequentially laminating a galvanized steel plate, a light steel structure framework, a polyurethane foaming layer, a grey silicon base plate and a decorative panel from outside to inside; the face, away from the aluminum veneer, of the light steel keel is attached to the outer layer of the vacuum heat insulation plate STP, and the face, away from the light steel structural framework, of the galvanized steel plate is attached to the inner layer of the vacuum heat insulation plate STP. According to the light steel keel combined external wall panel, continuity of an internal heat preservation layer can be guaranteed, light steel heat bridges are avoided, heat loss is reduced, an integrated external wall structure with high heat preservation performance, heat insulation performance and high air tightness is formed, and the problems that an existing light steel keel combined external wall panel is multiple in heat bridges and poor in heat preservation performance, and near-zero-energy-consumption external envelope structure cannot be achieved in thermal performance are solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to light steel structure building technical field relates to a kind of modularization light steel structure outer wall system suitable for near zero energy consumption building. BACKGROUND

[0002] Modularization light steel structure building envelope has the advantages of flexible space arrangement, light self-weight and convenient quality control of component. The types of light steel structure building envelope commonly used at present mainly include two types of light batten combined outer wall and light steel keel combined outer wall, but there are the following technical problems:

[0003] 1. The light batten combined outer wall has poor waterproof and moisture-proof performance, poor air tightness, and requires professional technology and equipment for construction, the construction process is relatively complex, the technical requirements for construction personnel are high, and the construction cost is high.

[0004] 2. The light steel keel combined outer wall is prone to have too many light steel keels, which easily forms a thermal bridge due to the large metal thermal conductivity, affecting the thermal insulation performance of the envelope. In order to improve the thermal performance of the wall, the thickness of the insulation material is often increased, thereby increasing the overall thickness of the wall.

[0005] Therefore, there is a need for a waterproof and moisture-proof outer wall system with good air tightness and good thermal insulation performance without increasing the thickness to save engineering cost to solve the above technical problems. INVENTION CONTENTS

[0006] The utility model aims at providing a modularization light steel structure envelope suitable for near zero energy consumption building, which solves the defects of poor air tightness, high construction difficulty, high cost, thick wall and many thermal bridges of current modularization light steel structure envelope.

[0007] The technical solution adopted by the utility model to solve the technical problem is: a modularization light steel structure outer wall system suitable for near zero energy consumption building, comprising: outer leaf and inner leaf, the outer leaf is composed of aluminum veneer, light steel keel layer-by-layer adhered from outside to inside, and the inner leaf is composed of galvanized steel sheet, light steel structure framework, polyurethane foaming layer, silicate-based panel and decorative panel layer-by-layer adhered from outside to inside.

[0008] The light steel keel is composed of a plurality of vertical keels arranged in a fence shape along the horizontal direction; the light steel structure framework is composed of a plurality of longitudinal and transverse intersecting keels arranged in a grid shape in the vertical plane.

[0009] The light steel keel is adhered to the outer layer of vacuum insulation board STP away from the aluminum veneer, and the galvanized steel sheet is adhered to the inner layer of vacuum insulation board STP away from the light steel structure framework.

[0010] Preferably, the light steel keel and the outer layer of the vacuum heat insulation plate STP are provided with an adapter, the adapter is made of heat insulation material, the adapter is in the form of a square groove, the light steel keel is in the form of a square column, the outer side of the groove bottom of the adapter is fixedly connected with the outer layer of the vacuum heat insulation plate STP, and the light steel keel is clamped in the square groove of the adapter.

[0011] Preferably, the outer side of the vacuum heat insulation plate STP is coated with a fixed waterproof air-permeable film.

[0012] Preferably, the grid-shaped cavity and the inner side of the light steel structure framework are filled with a polyurethane foaming layer.

[0013] Preferably, the side of the ash-silicon-based layer plate facing the decorative panel is coated with a waterproof vapor barrier film.

[0014] Preferably, the bottom of the vacuum heat insulation plate STP is further provided with a wooden batten plate, and the inner side of the wooden batten plate is attached to the outer side of the galvanized steel plate.

[0015] Preferably, a plurality of external hanging nodes are arranged on the light steel keel.

[0016] The utility model discloses the beneficial effect is:

[0017] 1, the utility model discloses a modularization light steel structure outer wall system of near zero energy consumption building adopts the polyurethane that foams on the spot as the filling material of steel structure keel cavity, and uses the good vacuum heat insulation plate of heat preservation performance and staggered bonding, makes the heat transfer coefficient of the outer wall system of the utility model less than the limit value on the basis of reducing the thickness of the outer envelope structure, promotes the use efficiency of indoor space, solves the defect that the current light steel keel combination outer wall thickness is relatively big, reduces the indoor effective use area.

[0018] 2, the utility model discloses a modularization light steel structure outer wall system of near zero energy consumption building adopts the polyurethane that foams on the spot as the filling material of steel structure keel cavity, and uses the good vacuum heat insulation plate of heat preservation performance and staggered bonding, makes the heat transfer coefficient of the outer wall system of the utility model less than the limit value on the basis of reducing the thickness of the outer envelope structure, promotes the use efficiency of indoor space, solves the defect that the current light steel keel combination outer wall thickness is relatively big, reduces the indoor effective use area.

[0019] 3, the utility model discloses a modularization light steel structure outer wall system of near zero energy consumption building adopts the polyurethane that foams on the spot, and it has excellent waterproof performance and air tightness, and the outer layer of the vacuum heat insulation plate in the outer sheet is provided with a waterproof vapor-permeable film, and the waterproof vapor barrier film is arranged between the osb and the inner decorative panel of the inner sheet, which improves the air tightness of the outer wall and solves the defects of poor waterproof and moisture-proof performance and poor air tightness of the light strip plate combination outer wall.

[0020] 4. The utility model is suitable for the modular light steel structure outer wall system of near zero energy consumption building adopts the combination use of outer leaf and inner leaf, improves building energy saving effect, protects main body structure, prolongs building life, reduces the damage of temperature fluctuation to wall, improves indoor thermal environment quality.

[0021] 5. The utility model is suitable for the modular light steel structure outer wall system of near zero energy consumption building, the outer wall heat preservation structure adopts light steel assembly type system, adopts the way of prefabrication and on -the -spot assembly constructs, convenient construction can effectively improve construction efficiency, shortens the engineering period, solves the defect that light weight batten combination outer wall construction cost is higher. DRAWINGS

[0022] Fig. 1 It is the outer wall structure schematic diagram of the utility model of a kind of modular light steel structure outer wall system suitable for near zero energy consumption building;

[0023] Fig. 2 It is the outer wall structure isometric drawing of the utility model;

[0024] Fig. 3 It is the outer wall cavity structure front view of the utility model.

[0025] Among them, 1, aluminum veneer;2, outer hanging node;3, light steel keel;4, waterproof air permeable membrane;5, vacuum insulation board STP;6, heat insulation pad;7, adhesive layer;8, galvanized steel sheet;9, light steel structure framework;10, polyurethane foaming layer;11, ash silicon base plate;12, waterproof vapor barrier film;13, spring buckle connecting piece;14, decorative panel;15, wooden batten. DETAILED DESCRIPTION

[0026] The related technologies in the utility model will be described clearly and completely in the drawings of the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0027] As Figs. 1-3 Shown, a kind of modular light steel structure outer wall system suitable for near zero energy consumption building of the utility model, including: outer leaf and inner leaf, outer leaf is sequentially formed by aluminum veneer 1, light steel keel 3 laminated adhesion from outside to inside, inner leaf is sequentially formed by galvanized steel sheet 8, light steel structure framework 9, (polyurethane foaming layer 10), ash silicon base plate 11, decorative panel 14 laminated adhesion from outside to inside;Adhesion mode can adopt bonding, pressure joint, riveting or binding mode, realize the function of sandwich heat preservation;

[0028] The light steel keel 3 is composed of multiple vertical keels arranged in a fence-like manner in the horizontal direction; the light steel structure skeleton 9 is composed of multiple crisscrossing keels in a grid-like manner in the vertical plane; the keel can provide a rigid connection between the outer page plate and the inner page plate, and provide a force point for the installation of external hangers, outer page plates and inner page plates;

[0029] The side of the light steel keel 3 away from the aluminum single plate 1 is attached to the outer layer of the vacuum insulation panel STP5, and the side of the galvanized steel plate 8 away from the light steel structure skeleton 9 is attached to the inner layer of the vacuum insulation panel STP5.

[0030] Furthermore, an adapter 6 is provided between the light steel keel 3 and the outer layer of the vacuum insulation panel STP5. The adapter 6 is made of an insulating material, is in the shape of a square groove, and the light steel keel 3 is in the shape of a square column. The outer side of the groove bottom of the adapter 6 is fixedly connected to the outer layer of the vacuum insulation panel STP5, and the light steel keel 3 is clamped in the square groove of the adapter 6; the adapter 6 uses an insulating material to isolate the heat conduction between the inner and outer layers, thereby ensuring the thermal insulation performance of the wall.

[0031] Furthermore, the outer side of the vacuum insulation panel STP5 is coated with a fixed waterproof breathable membrane 4.

[0032] Furthermore, the grid-shaped cavity and the inner side of the light steel structure skeleton 9 are filled with a polyurethane foam layer 10; the polyurethane foam layer 10 can isolate the heat conduction between the two sides of the inner page plate.

[0033] Furthermore, a waterproof vapor barrier film 12 is coated on one side of the grey silicon base plate 11 facing the decorative panel 14 .

[0034] Furthermore, a wooden strip board 15 is provided at the bottom of the vacuum insulation panel STP5 , and the inner surface of the wooden strip board 15 is in contact with the outer surface of the galvanized steel plate 8 .

[0035] Furthermore, a plurality of external nodes 2 are provided on the light steel keel 3 .

[0036] Example

[0037] like Fig. 1 As shown, the exterior wall of this embodiment is composed of an aluminum single panel 1; an external node 2; a light steel keel 3; a waterproof breathable membrane 4; a vacuum insulation panel STP 5; an insulation pad and an adapter 6; an adhesive layer 7; a galvanized steel plate 8; a light steel structure skeleton 9; a polyurethane foam layer 10; a gray silicon base plate 11; a waterproof vapor barrier membrane 12; a spring buckle connector 13; a decorative panel 14; and a wooden strip board 15.

[0038] During actual installation or use, the aluminum veneer 1 is fixed to the light steel keel 3 through the external hanging node 2; the above aluminum veneer 1 and light steel keel 3 are prefabricated into an integral outer panel;

[0039] The vacuum heat insulation plate STP 5, the heat insulation cushion and the adapter 6 and the wood strip plate 15 are fixed on the galvanized steel plate 8 through adhesive lamination, wherein the wood strip plate 15 is placed under the lower side of the vacuum heat insulation plate STP 5; the waterproof air permeable film 4 is pasted on the outer side of the vacuum heat insulation plate STP 5, and the air tightness of the wall body can be enhanced; the vacuum heat insulation plate STP 5, the heat insulation cushion and the adapter 6 and the wood strip plate 15 form a "sandwich" heat preservation layer;

[0040] The light steel structure framework 9 is fixed on the galvanized steel plate 8 in a hot-pressing mode; the polyurethane foaming layer 10 is sprayed in a site foaming mode in the cavity formed by the galvanized steel plate 8 and the light steel structure framework 9 and the inner side of the light steel structure framework 9; the grey silica-based layer plate 11 is fixed on the inner side of the polyurethane foaming layer 10; the waterproof and air barrier film 12 is pasted on the inner side of the grey silica-based layer plate 11, and the air tightness of the wall body can be enhanced; the decorative panel 14 is fixed on the grey silica-based layer plate 11 through the spring buckle connecting piece 13; the galvanized steel plate 8, the light steel structure framework 9, the polyurethane foaming layer 10, the grey silica-based layer plate 11 and the decorative panel 14 are prefabricated into an integral inner leaf plate;

[0041] The outer leaf plate and the inner leaf plate can be directly prefabricated on site, the heat preservation layer is fixed on the inner leaf plate through the adhesive layer 7, the outer leaf plate is connected with the heat preservation layer through the adapter 6, the construction process is convenient and fast, the construction period can be shortened, the construction cost can be reduced, the wall body is small in thickness, and the indoor use area is effectively increased.

[0042] In conclusion, the polyurethane foamed on site is used for heat insulation and heat preservation treatment around the steel structure keel, in the cavity and the inner side, the continuity of the internal heat preservation layer is ensured, the light steel heat bridge is avoided, heat loss is reduced, the integrated outer wall structure with high heat preservation performance, heat insulation and high air tightness is formed, and the problems that the light steel keel combined outer wall plate has many heat bridges, the heat preservation performance is poor, and the thermal performance cannot realize the near zero energy consumption peripheral envelope structure are solved.

[0043] It should be emphasized that: the above is only a preferred embodiment of the present application, and does not limit the present application in any form, and any simple modification, equivalent change and modification made according to the technical essence of the present application still belong to the scope of the technical scheme of the present application.

Claims

1. A modular light steel structure exterior wall system suitable for near-zero energy consumption buildings, characterized in that: include: The outer page plate and the inner page plate are formed by laminating and bonding an aluminum single plate (1) and a light steel keel (3) in sequence from the outside to the inside, and the inner page plate is formed by laminating and bonding a galvanized steel plate (8), a light steel structure skeleton (9), a gray silicon base plate (11), and a decorative panel (14) in sequence from the outside to the inside; The light steel keel (3) is composed of a plurality of vertical keels arranged in a fence shape along the horizontal direction; The light steel structure frame (9) is composed of a plurality of crisscrossing keels in a grid shape in a vertical plane; The side of the light steel keel (3) away from the aluminum single plate (1) is attached to the outer layer of the vacuum insulation panel STP (5), and the side of the galvanized steel plate (8) away from the light steel structure skeleton (9) is attached to the inner layer of the vacuum insulation panel STP (5).

2. A modular light steel structure exterior wall system suitable for near-zero energy consumption buildings according to claim 1, characterized in that: An adapter (6) is provided between the light steel keel (3) and the outer layer of the vacuum insulation panel STP (5); the adapter (6) is made of a heat-insulating material, the adapter (6) is in the shape of a square groove, the light steel keel (3) is in the shape of a square column, the outer side of the groove bottom of the adapter (6) is fixedly connected to the outer layer of the vacuum insulation panel STP (5), and the light steel keel (3) is clamped in the square groove of the adapter (6).

3. The modular light steel structure exterior wall system suitable for near-zero energy consumption buildings according to claim 1, characterized in that: The outer side of the vacuum insulation panel STP (5) is coated with a fixed waterproof breathable membrane (4).

4. The modular light steel structure exterior wall system suitable for near-zero energy consumption buildings according to claim 1, characterized in that: The grid-shaped cavity of the light steel structure frame (9) is filled with a polyurethane foam layer (10).

5. The modular light steel structure exterior wall system suitable for near-zero energy consumption buildings according to claim 1, characterized in that: The surface of the grey silicon base plate (11) facing the decorative panel (14) is coated with a waterproof vapor barrier film (12).

6. The modular light steel structure exterior wall system suitable for near-zero energy consumption buildings according to claim 1, characterized in that: A wooden strip board (15) is further provided at the bottom of the vacuum insulation panel STP (5), and the inner surface of the wooden strip board (15) is in contact with the outer surface of the galvanized steel plate (8).

7. The modular light steel structure exterior wall system suitable for near-zero energy consumption buildings according to claim 1, characterized in that: The light steel keel (3) is provided with a plurality of external hanging nodes (2).

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