CN217652030U - Window wall node without heat bridge and high air tightness - Google Patents

Abstract

The utility model provides a window wall node with no thermal bridge and high air tightness, which comprises a wall, an external thermal insulation layer, an intermediate thermal insulation layer, a built-in thermal insulation layer, a fixed frame, a window frame, an external waterproof board, and a waterproof and breathable membrane. The outer insulation layer is installed on the outside of the wall; the wall is provided with an opening, the middle insulation layer is arranged around the inside of the opening, and the fixed frame is installed inside the middle insulation layer; the built-in insulation layer is arranged around the inner wall of the fixed frame , the inner wall of the fixed frame faces indoors, and the outer wall of the fixed frame faces outdoors; the window frame is installed inside the fixed frame; the outer wall of the external insulation layer is installed with an external waterproof board; the outer wall of the window frame and the outer wall of the external waterproof board are connected A waterproof and breathable membrane is respectively fixed at the position of the window frame; the inner wall of the window frame and the inner wall of the built-in thermal insulation layer are respectively fixed with a waterproof and vapor barrier membrane at the connected position. The thermal insulation measures at the window frame meet the design requirements of ultra-low energy consumption and no thermal bridge. Safety and air tightness are greatly improved.

Description

A window-wall joint with no thermal bridge and high air tightness

technical field

The utility model relates to the technical field of building energy-saving and heat preservation, in particular to a window-wall node with no thermal bridge and high air tightness.

Background technique

With the introduction of the "dual carbon" policy, it is imperative to improve the energy efficiency of buildings. There are a large number of thermal bridges between the windows and walls of traditional buildings, between windows and outdoor, and between windows and indoors. Building energy consumption. Therefore, there is an urgent need for a window and wall node without thermal bridge design in the market to meet the market requirements for ultra-low energy consumption buildings.

Utility model content

The utility model provides a window-wall node with no thermal bridge and high air-tightness, so as to solve the technical problem that a large number of thermal bridges exist in the window position of the building.

In order to solve the above-mentioned technical problems, the utility model provides a window-wall joint without thermal bridge and high air tightness, which includes a wall, an external thermal insulation layer, an intermediate thermal insulation layer, a built-in thermal insulation layer, a fixed frame, a window frame, an external thermal insulation layer, and an external thermal insulation layer. Waterproof board, waterproof breathable membrane and waterproof vapor barrier membrane;

the external thermal insulation layer is installed on the outer side of the wall;

The wall is provided with an opening, the intermediate thermal insulation layer is arranged around the inside of the opening, and the fixed frame is installed inside the intermediate thermal insulation layer;

The built-in thermal insulation layer is arranged around the inner wall of the fixed frame, the inner wall of the fixed frame faces indoors, and the outer wall of the fixed frame faces outdoors;

the window frame is mounted inside the fixed frame;

The external waterproof board is installed on the outer wall of the external thermal insulation layer;

The outer wall of the window frame and the outer wall of the external waterproof board are respectively fixed with the waterproof and breathable membrane at the connected positions;

The waterproof vapor barrier film is respectively fixed on the inner wall of the window frame and the inner wall of the built-in thermal insulation layer at the connected positions.

Optionally, the shape of the opening is a rectangle.

Optionally, the top of the opening extends to the floor; the middle thermal insulation layer includes a top thermal insulation layer, a side thermal insulation layer and a bottom thermal insulation layer, the top thermal insulation layer is installed on the top of the fixed frame, and the side thermal insulation layer The layers are fixed on both sides of the fixed frame, and the bottom thermal insulation layer is fixed on the bottom of the fixed frame; the thickness of the top thermal insulation layer is greater than the thickness of the side thermal insulation layer and the thickness of the bottom thermal insulation layer; The upper surface of the top thermal insulation layer is connected with the lower surface of the floor slab, and the lower surface of the top thermal insulation layer is connected with the upper surface of the fixed frame.

Optionally, a built-in waterproof board is fixed on the inner wall of the top thermal insulation layer, and the waterproof vapor barrier membrane is respectively fixed on the inner wall of the window frame and the inner wall of the built-in waterproof board at the connected positions.

Optionally, the window frame includes a first hollow cavity, a filling cavity and a second hollow cavity, the filling cavity is located between the first hollow cavity and the second hollow cavity; A heat-dissipating adhesive strip is arranged on the side, and a thermal insulating filler is filled between the heat-dissipating adhesive strips.

Optionally, a thermal insulation gasket is arranged between the window frame and the fixed frame.

Optionally, glass is installed inside the window frame, a first heat insulating rubber strip is arranged between the outer wall of the glass and the window frame, and a first thermal insulation strip is arranged between the inner wall of the glass and the window frame. Two thermal insulation strips.

Optionally, the glass includes multiple layers, a third thermal insulation strip and a fixing strip are installed between adjacent glasses, and the upper surface of the fixing strip and the lower surface of the third thermal insulation strip are installed. connect.

Optionally, a thermal insulation board is installed on the outer sides of the external thermal insulation layer and the top thermal insulation layer.

Optionally, the insulation board is arranged between two adjacent rooms, the upper end of the insulation board is connected to the bottom of the fixed frame of the upper layer, and the lower end of the insulation board is connected to the bottom of the fixed frame of the lower layer. top connection.

The utility model provides a window-wall node with no thermal bridge and high air tightness, which has the following beneficial effects:

(1) The modeling calculation through simulation software (such as therm) shows that the inner surface temperature of the node is higher than the indoor dew point temperature, and the thermal insulation measures at the window frame meet the design requirements of preventing condensation and ultra-low energy consumption without thermal bridges.

(2) An external thermal insulation layer and a waterproof breathable membrane are arranged on the outdoor side at the assembly end of the building and the window frame, which can not only prevent the intrusion of rainwater, but also allow water vapor to pass through. The breathable membrane is discharged to prevent rainwater from penetrating into the interior of the component, which will cause the external insulation layer to absorb water, increase the risk of insulation and fall, and greatly improve the safety.

(3) The waterproof vapor barrier membrane is installed on the indoor side at the assembly end of the building and the window frame, which can effectively strengthen the water tightness of the building and prevent the indoor moisture from penetrating into the thermal insulation layer, so that the window wall joints have high air tightness.

Description of drawings

FIG. 1 is a schematic structural diagram of a window-wall joint with no thermal bridge and high air tightness provided by an embodiment of the present invention when applied to a multi-storey building.

FIG. 2 is a partial enlarged view of the upper half of FIG. 1 .

FIG. 3 is a partial enlarged view of the position A in FIG. 2 .

FIG. 4 is a partial enlarged view of position B in FIG. 2 .

[reference numerals are explained below]:

Wall-1, external thermal insulation layer-2, built-in thermal insulation layer-3, fixed frame-4, window frame-5, external waterproof board-6, waterproof breathable membrane-7, waterproof vapor barrier membrane-8, floor slab-9 , top insulation layer-10, bottom insulation layer-11, built-in waterproof board-12, first hollow cavity-13, filling cavity-14, second hollow cavity-15, thermal insulation strip-16, thermal insulation filler-17 , thermal insulation gasket-18, first thermal insulation rubber strip-19, second thermal insulation rubber strip-20, third thermal insulation rubber strip-21, fixed rubber strip-22, thermal insulation board-23, ceiling-24, Steel beam-25, glass-26.

Detailed ways

In order to make the purpose, advantages and features of the present utility model clearer, a window-wall joint without thermal bridge and high air tightness proposed by the present utility model will be further described in detail below with reference to the accompanying drawings. It should be noted that, the accompanying drawings are all in a very simplified form and in inaccurate scales, and are only used to facilitate and clearly assist the purpose of explaining the embodiments of the present invention.

In the description of the present invention, the terms "first", "second" and other qualifiers are added for the convenience of description and reference, and should not be understood as indicating or implying relative importance or implicitly indicating the indicated technical features quantity. Thus, a feature defined with a qualifier "first", "second", etc., may expressly or implicitly include one or more of that feature.

As shown in Figures 1-4, the present embodiment provides a window-wall node with no thermal bridge and high air tightness, including a wall 1, an external thermal insulation layer 2, an intermediate thermal insulation layer, a built-in thermal insulation layer 3, and a fixed frame 4. Window frame 5, external waterproof plate 6, waterproof breathable membrane 7 and waterproof vapor barrier membrane 8; the external thermal insulation layer 2 is installed on the outside of the wall 1; the wall 1 is provided with an opening, and the The middle insulation layer is arranged around the inside of the opening, and the fixed frame 4 is installed inside the middle insulation layer; the built-in insulation layer 3 is arranged around the inner wall of the fixing frame 4, and the inner wall of the fixing frame 4 faces Indoors, the outer wall of the fixed frame 4 faces the outdoors; the window frame 5 is installed inside the fixed frame 4; the outer wall of the external thermal insulation layer 2 is installed with the external waterproof board 6; the window frame The outer wall of 5 and the outer wall of the external waterproof board 6 are respectively fixed with the waterproof breathable membrane 7 in the connected position; the inner wall of the window frame 5 and the inner wall of the built-in thermal insulation layer 3 are respectively fixed in the connected position. The waterproof vapor barrier film 8 .

Wherein, the wall 1 can be a concrete wall; the external thermal insulation layer 2, the intermediate thermal insulation layer and the built-in thermal insulation layer 3 can be rock wool or real gold board, etc.; the fixed frame 4 can be an aluminum alloy frame; the window frame 5 can be a fluorocarbon sprayed window frame; the external waterproof plate 6 can be a waterproof aluminum plate; the waterproof breathable film 7 can be EPTFE (polytetrafluoroethylene); the waterproof vapor barrier film 8 It can be PE (polyethylene); the external thermal insulation layer 2 can be fixed on the outside of the wall 1 through the embedded parts in the wall 1; the built-in thermal insulation layer 3 can be fixed inside the opening by galvanized steel sheet and Close to the room; the window-wall node refers to the combined structure between the window and the wall 1 ; the top of the fixed frame 4 may be lower or slightly lower than the height of the suspended ceiling 24 .

The window-wall joint with no thermal bridge and high air tightness provided by this embodiment has the following beneficial effects:

(1) The modeling calculation through simulation software (such as therm) shows that the inner surface temperature of the node is higher than the indoor dew point temperature, and the thermal insulation measures at the window frame 5 meet the design requirements of preventing condensation and ultra-low energy consumption without thermal bridges .

(2) The external thermal insulation layer 2 and the waterproof breathable membrane 7 are arranged on the outdoor side at the assembly end of the building and the window frame 5, which can not only prevent the intrusion of rainwater, but also allow water vapor to pass through, allowing the evaporation of the external thermal insulation layer 2 on sunny days. The water vapor is discharged through the waterproof and breathable membrane 7 to prevent rainwater from penetrating into the interior of the component, thereby causing the external thermal insulation layer 2 to absorb water and increase the risk of thermal insulation and falling, and the safety is greatly improved.

(3) The waterproof vapor barrier membrane 8 is arranged on the indoor side at the assembly end of the building and the window frame 5, which can effectively strengthen the water tightness of the building and prevent the indoor moisture from penetrating into the thermal insulation layer, so that the window wall joints have high air tightness.

Optionally, the shape of the opening is a rectangle. This facilitates construction of the opening. In other embodiments, the shape of the opening may be a circle or other shapes, which are not limited in the present invention.

Optionally, as shown in FIGS. 2 to 4 , the top of the opening extends to the floor 9 ; the middle thermal insulation layer includes a top thermal insulation layer 10 , a side thermal insulation layer and a bottom thermal insulation layer 11 , and the top thermal insulation layer 10 Install the top of the fixed frame 4, the side thermal insulation layer is fixed on both sides of the fixed frame 4, the bottom thermal insulation layer 11 is fixed on the bottom of the fixed frame 4; the thickness of the top thermal insulation layer 10 greater than the thickness of the side protective layer and the thickness of the bottom insulation layer 11; the upper surface of the top insulation layer 10 is connected to the lower surface of the floor 9, and the lower surface of the top insulation layer 10 is connected to the The upper surface of the fixed frame 4 is connected. Thickness refers to the dimension in the direction from outside to inside. The top insulation layer 10 can be fixed on the top of the opening by steel beams 25 which are connected with the lower surface of the floor slab 9 . This embodiment can improve the thermal insulation effect between the fixed frame 4 and the intermediate thermal insulation layer.

Optionally, as shown in FIGS. 2-4 , the external waterproof board 6 is fixed to the outside of the top thermal insulation layer 10 . In this way, the waterproof effect of the node can be improved.

Optionally, as shown in FIGS. 2-4 , the inner wall of the top thermal insulation layer 10 is fixed with a built-in waterproof board 12 , and the inner wall of the window frame 5 and the inner wall of the built-in waterproof board 12 are respectively fixed at the connected positions. There is the waterproof vapor barrier film 8 . In this way, the waterproof effect of the top of the window frame 5 can be improved.

Optionally, as shown in FIGS. 2-4 , the window frame 5 includes a first hollow cavity, a first hollow cavity 13, a filling cavity 14, and a second hollow cavity and a second hollow cavity 15, and the filling cavity 14 is located at the Between the first hollow cavity 13 of the first hollow cavity and the second hollow cavity 15 of the second hollow cavity; the upper and lower sides of the filling cavity 14 are provided with thermal insulation strips 16, and the thermal insulation strips 16 are arranged between them. The space is filled with thermal insulation filler 17 . The thermal insulation filler 17 may be polyurethane. This embodiment can improve the thermal insulation effect and the sound insulation effect between the window frame 5 and the fixed frame 4 as well as indoor and outdoor.

Optionally, as shown in FIGS. 2-4 , a heat insulating gasket 18 is provided between the window frame 5 and the fixed frame 4 . In this way, the thermal insulation effect between the window frame 5 and the fixed frame 4 can be improved.

Optionally, as shown in FIGS. 2 to 4 , a glass 26 is installed inside the window frame 5 , and a first heat insulating rubber strip 19 is arranged between the outer wall of the glass 26 and the window frame 5 , so A second insulating rubber strip 20 is arranged between the inner wall of the glass 26 and the window frame 5 . The first thermal insulation rubber strip 19 and the second thermal insulation rubber strip 20 may be EPDM rubber strips. In this way, the thermal insulation effect between the glass 26 and the window frame 5 can be improved.

Optionally, as shown in FIG. 2 to FIG. 4 , the glass 26 includes multiple layers, and a third insulating rubber strip 21 and a fixing rubber strip 22 are installed between adjacent glasses, and the upper part of the fixing rubber strip 22 is installed. The surface is connected with the lower surface of the third heat insulating rubber strip 21 . The fixing adhesive strip 22 may be a silicone structural adhesive, and the third heat insulating adhesive strip 21 may be an EPDM adhesive strip. This improves the thermal insulation between the multiple layers of glass.

Optionally, as shown in FIG. 1 to FIG. 4 , a thermal insulation board 23 is installed on the outer sides of the external thermal insulation layer 2 and the top thermal insulation layer 10 . The thermal insulation board 23 can play the role of thermal insulation and decoration. The thermal insulation board 23 can also be called a decorative board, and the decorative board can be a decorative aluminum board.

Optionally, as shown in FIG. 2 to FIG. 4 , the thermal insulation board 23 is arranged between two adjacent rooms, and the upper end of the thermal insulation board 23 is connected to the bottom of the fixed frame 4 on the upper layer. The lower end of the heat preservation board 23 is connected to the top of the fixed frame 4 of the next layer. In this way, the insulating plate 23 can be prevented from blocking the glass 26 of the window. The window includes the fixed frame 4 , the window frame 5 and the glass 26 .

In summary, the utility model provides a window-wall joint with no thermal bridge and high air tightness, which has the following beneficial effects:

(1) The modeling calculation through simulation software (such as therm) shows that the inner surface temperature of the node is higher than the indoor dew point temperature, and the thermal insulation measures at the window frame 5 meet the design requirements of preventing condensation and ultra-low energy consumption without thermal bridges .

(2) The external thermal insulation layer 2 and the waterproof breathable membrane 7 are arranged on the outdoor side at the assembly end of the building and the window frame 5, which can not only prevent the intrusion of rainwater, but also allow water vapor to pass through, allowing the evaporation of the external thermal insulation layer 2 on sunny days. The water vapor is discharged through the waterproof and breathable membrane 7 to prevent rainwater from penetrating into the interior of the component, thereby causing the external thermal insulation layer 2 to absorb water and increase the risk of thermal insulation and falling, and the safety is greatly improved.

(3) The waterproof vapor barrier membrane 8 is arranged on the indoor side at the assembly end of the building and the window frame 5, which can effectively strengthen the water tightness of the building and prevent the indoor moisture from penetrating into the thermal insulation layer, so that the window wall joints have high air tightness.

The above description is only a description of the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention. Any changes and modifications made by those of ordinary skill in the art based on the above disclosure all belong to the protection scope of the present invention.

Claims (10)

1. A window-wall node with no thermal bridge and high air tightness, characterized in that it comprises a wall, an external thermal insulation layer, an intermediate thermal insulation layer, a built-in thermal insulation layer, a fixed frame, a window frame, an external waterproof board, a waterproof and breathable layer Membranes and waterproof vapour barriers; the external thermal insulation layer is installed on the outer side of the wall; The wall is provided with an opening, the intermediate thermal insulation layer is arranged around the inside of the opening, and the fixed frame is installed inside the intermediate thermal insulation layer; The built-in thermal insulation layer is arranged around the inner wall of the fixed frame, the inner wall of the fixed frame faces indoors, and the outer wall of the fixed frame faces outdoors; the window frame is mounted inside the fixed frame; The external waterproof board is installed on the outer wall of the external thermal insulation layer; The outer wall of the window frame and the outer wall of the external waterproof board are respectively fixed with the waterproof and breathable membrane at the connected positions; The waterproof vapor barrier film is respectively fixed on the inner wall of the window frame and the inner wall of the built-in thermal insulation layer at the connected positions. 2 . The window-wall joint with no thermal bridge and high air-tightness according to claim 1 , wherein the shape of the opening is a rectangle. 3 . 3 . The window-wall joint without thermal bridge and high air-tightness according to claim 2 , wherein the top of the opening extends to the floor; the intermediate thermal insulation layer comprises a top thermal insulation layer, a side thermal insulation layer The top thermal insulation layer is installed on the top of the fixed frame, the side thermal insulation layer is fixed on both sides of the fixed frame, and the bottom thermal insulation layer is fixed on the bottom of the fixed frame; The thickness of the top thermal insulation layer is greater than the thickness of the side thermal insulation layer and the thickness of the bottom thermal insulation layer; the upper surface of the top thermal insulation layer is connected with the lower surface of the floor slab, and the lower surface of the top thermal insulation layer is connected to the bottom surface of the floor slab. The upper surface of the fixed frame is connected. 4 . The window-wall joint without thermal bridge and high air tightness according to claim 3 , wherein the inner wall of the top thermal insulation layer is fixed with a built-in waterproof board, and the inner wall of the window frame and the The waterproof vapor barrier membranes are respectively fixed on the inner walls of the built-in waterproof boards at the connected positions. 5 . The window-wall joint with no thermal bridge and high air-tightness according to claim 1 , wherein the window frame comprises a first hollow cavity, a filling cavity and a second hollow cavity, and the filling cavity It is located between the first hollow cavity and the second hollow cavity; the upper and lower sides of the filling cavity are provided with thermal insulation strips, and the thermal insulation rubber strips are filled with thermal insulation fillers. 6 . The window-wall joint without thermal bridge and high air tightness according to claim 1 , wherein a thermal insulation gasket is arranged between the window frame and the fixed frame. 7 . 7 . The window-wall joint without thermal bridge and high air-tightness according to claim 1 , wherein glass is installed inside the window frame, and between the outer wall of the glass and the window frame. 8 . A first thermal insulation rubber strip is provided, and a second thermal insulation rubber strip is arranged between the inner wall of the glass and the window frame. 8 . The window-wall joint with no thermal bridge and high air tightness according to claim 7 , wherein the glass comprises multiple layers, and a third thermal insulation rubber strip and A fixing rubber strip, the upper surface of the fixing rubber strip is connected with the lower surface of the third heat insulating rubber strip. 9 . The window-wall joint with no thermal bridge and high air-tightness according to claim 3 , wherein a thermal insulation board is installed on the outer sides of the external thermal insulation layer and the top thermal insulation layer. 10 . 10 . The window-wall joint without thermal bridge and high air-tightness according to claim 9 , wherein the thermal insulation board is arranged between two adjacent rooms, and the upper end of the thermal insulation board is connected to the The bottom of the fixed frame of the upper layer is connected, and the lower end of the insulation board is connected to the top of the fixed frame of the next layer.

Images