CN217652030U

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

Info

Publication number: CN217652030U
Application number: CN202221715724.0U
Authority: CN
Inventors: 燕艳; 孙斌; 沈蔚伟; 陈家乐; 苏昶; 谭春晖; 李海明; 徐悦
Original assignee: Shanghai Architectural Design and Research Institute Co Ltd
Current assignee: Shanghai Architectural Design and Research Institute Co Ltd
Priority date: 2022-06-29
Filing date: 2022-06-29
Publication date: 2022-10-25
Anticipated expiration: 2032-06-29

Abstract

The utility model provides a window wall node without a heat bridge and with high air tightness, which comprises a wall, an external heat preservation layer, a middle heat preservation layer, an internal heat preservation layer, a fixed frame, a window frame, an external waterproof board, a waterproof ventilated membrane and a waterproof vapor-barrier membrane; the external heat-insulating layer is arranged on the outer side of the wall; the wall is provided with an opening, the middle heat-insulating layer is arranged around the inside of the opening, and the fixed frame is arranged inside the middle heat-insulating layer; the built-in heat 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 arranged inside the fixed frame; an external waterproof plate is arranged on the outer wall of the external heat-insulating layer; waterproof breathable films are respectively fixed at the connecting positions of the outer wall of the window frame and the outer wall of the external waterproof plate; the inner wall of the window frame and the inner wall of the built-in heat-insulating layer are respectively fixed with a waterproof vapor-barrier film at the connected position. The heat insulation measure at the window frame reaches the design requirement of ultralow energy consumption and no heat bridge. The safety and the air tightness are greatly improved.

Description

Window wall node without heat bridge and high air tightness

Technical Field

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

Background

With the proposal of a 'double-carbon' policy, the building energy efficiency is imperative to be promoted. A large number of thermal bridges exist between a window and a wall, between the window and the outdoor space and between the window and the indoor space of a traditional building, the thermal bridges can transmit heat between the outdoor space and the indoor space, and cold and hot loads of an indoor air conditioner are increased, so that the energy consumption of the building is increased. Therefore, there is an urgent need for a window wall node without thermal bridge design in order to meet the demand of the market for ultra-low energy consumption buildings.

SUMMERY OF THE UTILITY MODEL

The utility model provides a do not have window wall node of heat bridge and high gas tightness to there is a large amount of heat bridges's technical problem in the window position to solve the building.

In order to solve the technical problem, the utility model provides a window wall node without a heat bridge and with high air tightness, which comprises a wall, an external heat-insulating layer, a middle heat-insulating layer, an internal heat-insulating layer, a fixed frame, a window frame, an external waterproof board, a waterproof ventilated membrane and a waterproof steam-insulating membrane;

the external heat-insulating layer is arranged on the outer side of the wall;

an opening is formed in the wall, the middle heat-insulating layer is arranged around the inside of the opening, and the fixed frame is arranged inside the middle heat-insulating layer;

the built-in heat 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 external waterproof plate is arranged on the outer wall of the external heat-insulating layer;

the outer wall of the window frame and the outer wall of the external waterproof plate are respectively fixed with the waterproof breathable film at the connected position;

the waterproof and steam-proof film is respectively fixed at the connecting position of the inner wall of the window frame and the inner wall of the built-in heat-insulating layer.

Optionally, the shape of the opening is rectangular.

Optionally, the top of the opening extends to the floor; the middle heat-insulating layer comprises a top heat-insulating layer, side heat-insulating layers and a bottom heat-insulating layer, the top heat-insulating layer is mounted at the top of the fixed frame, the side heat-insulating layers are fixed on two sides of the fixed frame, and the bottom heat-insulating layer is fixed at the bottom of the fixed frame; the thickness of the top heat-insulating layer is greater than that of the side heat-insulating layer and that of the bottom heat-insulating layer; the upper surface of the top heat-insulating layer is connected with the lower surface of the floor slab, and the lower surface of the top heat-insulating layer is connected with the upper surface of the fixed frame.

Optionally, a built-in waterproof plate is fixed on the inner wall of the top insulating layer, and the waterproof vapor barrier film is respectively fixed at the positions where the inner wall of the window frame and the inner wall of the built-in waterproof plate are connected.

Optionally, the window frame includes a first hollow cavity, a filling cavity, and a second hollow cavity, and the filling cavity is located between the first hollow cavity and the second hollow cavity; and heat insulation rubber strips are arranged on the upper side and the lower side of the filling cavity, and heat insulation fillers are filled between the heat insulation rubber strips.

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

Optionally, glass is mounted inside the window frame, a first heat insulation rubber strip is arranged between the outer wall of the glass and the window frame, and a second heat insulation rubber strip is arranged between the inner wall of the glass and the window frame.

Optionally, the glass comprises multiple layers, a third heat insulation rubber strip and a fixing rubber strip are arranged between adjacent glass, and the upper surface of the fixing rubber strip is connected with the lower surface of the third heat insulation rubber strip.

Optionally, insulation boards are installed on the outer sides of the external insulation layer and the top insulation layer.

Optionally, the heat insulation board is arranged between two adjacent layers of rooms, the upper end of the heat insulation board is connected with the bottom of the fixing frame of the upper layer, and the lower end of the heat insulation board is connected with the top of the fixing frame of the lower layer.

The utility model provides a pair of window wall node of no heat bridge and high gas tightness has following beneficial effect:

(1) Modeling calculation is carried out through simulation software (such as therm), so that the temperature of the inner surface of the node is higher than the indoor dew point temperature, and the heat insulation measures at the window frame meet the design requirements of condensation prevention and ultralow energy consumption without a heat bridge.

(2) Lie in building and window frame assembly end in the outdoor side and set up external heat preservation and waterproof ventilated membrane, not only can avoid the rainwater to invade, vapor can see through simultaneously, and vapor that evaporates in the external heat preservation is allowed fine day to see through waterproof ventilated membrane and discharges for thereby prevent that the rainwater infiltration component is inside to lead to external heat preservation to absorb water to increase the heat preservation risk of falling, the security promotes greatly.

(3) The waterproof and steam-proof film is arranged at the assembling end of the building and the window frame at the indoor side, so that the water tightness of the building can be effectively enhanced, and indoor damp and moisture are prevented from permeating the heat-insulating layer, so that the window wall joint has high air tightness.

Drawings

Fig. 1 is a schematic structural view of a window wall joint without a heat bridge and having high air tightness applied to a multi-story building according to an embodiment of the present invention.

Fig. 2 is a partially enlarged view of the upper half of fig. 1.

Fig. 3 is a partially enlarged view of a position a in fig. 2.

Fig. 4 is a partially enlarged view of a position B in fig. 2.

[ reference numerals are described below ]:

the heat insulation structure comprises a wall-1, an external heat insulation layer-2, an internal heat insulation layer-3, a fixed frame-4, a window frame-5, an external waterproof plate-6, a waterproof breathable film-7, a waterproof vapor-barrier film-8, a floor-9, a top heat insulation layer-10, a bottom heat insulation layer-11, an internal waterproof plate-12, a first hollow cavity-13, a filling cavity-14, a second hollow cavity-15, a heat insulation rubber strip-16, a heat insulation filler-17, a heat insulation gasket-18, a first heat insulation rubber strip-19, a second heat insulation rubber strip-20, a third heat insulation rubber strip-21, a fixed rubber strip-22, a heat insulation plate-23, a ceiling-24, a steel beam-25 and glass-26.

Detailed Description

In order to make the objects, advantages and features of the present invention clearer, the following description of the present invention provides a window wall node without thermal bridge and with high air tightness. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.

In the description of the present invention, the terms "first", "second", etc. are used for convenience of description and reference, but are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined by a qualifier such as "first," "second," etc., may explicitly or implicitly include one or more of that feature.

As shown in fig. 1-4, the present embodiment provides a thermal bridge-free and highly airtight window wall joint, which includes a wall 1, an external insulating layer 2, an intermediate insulating layer, an internal insulating layer 3, a fixing frame 4, a window frame 5, an external waterproof board 6, a waterproof and breathable film 7, and a waterproof and vapor-proof film 8; the external heat-insulating layer 2 is arranged on the outer side of the wall 1; an opening is formed in the wall 1, the middle heat-insulating layer is arranged around the inside of the opening, and the fixed frame 4 is arranged inside the middle heat-insulating layer; the built-in heat insulation layer 3 is arranged around the inner wall of the fixed frame 4, the inner wall of the fixed frame 4 faces indoors, and the outer wall of the fixed frame 4 faces outdoors; the window frame 5 is installed inside the fixed frame 4; the external waterproof plate 6 is arranged on the outer wall of the external insulating layer 2; the outer wall of the window frame 5 and the outer wall of the external waterproof plate 6 are respectively fixed with the waterproof breathable film 7 at the connecting position; the waterproof and steam-proof film 8 is respectively fixed at the connecting position of the inner wall of the window frame 5 and the inner wall of the built-in heat-insulating layer 3.

Wherein the wall 1 may be a concrete wall; the external heat-insulating layer 2, the middle heat-insulating layer and the internal heat-insulating layer 3 can be rock wool or real gold plates and the like; the fixing frame 4 may 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 may be PE (polyethylene); the external heat-insulating layer 2 can be fixed on the outer side of the wall 1 through an embedded part in the wall 1; the built-in heat insulation layer 3 can be fixed in the opening through a galvanized steel sheet and is close to the indoor; the window wall node is a combined structure between a window and a wall 1; the top of the fixed frame 4 may be at a level below or slightly below the level of the ceiling 24.

The window wall joint without the heat bridge and with high air tightness provided by the embodiment has the following beneficial effects:

(1) Modeling calculation is carried out through simulation software (such as therm), so that the temperature of the inner surface of the node is higher than the indoor dew point temperature, and the heat insulation measure at the position of the window frame 5 meets the design requirements of condensation prevention and ultralow energy consumption without a heat bridge.

(2) Lie in building and window frame 5 assembly end in the outdoor side and set up external heat preservation 2 and waterproof ventilated membrane 7, not only can avoid the rainwater to invade, vapor can permeate simultaneously, and the vapor that evaporates in the external heat preservation 2 of permission is permeated through waterproof ventilated membrane 7 and is discharged fine day for thereby prevent that the rainwater from permeating the component inside and leading to external heat preservation 2 to absorb water and increase the heat preservation risk of falling, the security promotes greatly.

(3) The waterproof vapor-barrier film 8 is arranged at the assembling end of the building and the window frame 5 at the indoor side, so that the water tightness of the building can be effectively enhanced, and indoor damp and moisture are prevented from permeating the heat-insulating layer, so that the window wall joint has high air tightness.

Optionally, the shape of the opening is rectangular. This facilitates the construction of the opening. In other embodiments, the shape of the opening may be circular or other shapes, which is not limited by the present invention.

Alternatively, as shown in fig. 2-4, the top of the opening extends to the floor 9; the middle heat-insulating layer comprises a top heat-insulating layer 10, side heat-insulating layers and a bottom heat-insulating layer 11, the top heat-insulating layer 10 is installed at the top of the fixed frame 4, the side heat-insulating layers are fixed on two sides of the fixed frame 4, and the bottom heat-insulating layer 11 is fixed at the bottom of the fixed frame 4; the thickness of the top insulating layer 10 is greater than that of the side protecting layers and that of the bottom insulating layer 11; the upper surface of the top heat-insulating layer 10 is connected with the lower surface of the floor slab 9, and the lower surface of the top heat-insulating layer 10 is connected with the upper surface of the fixed frame 4. The thickness refers to a dimension in a direction from the outside toward the inside. The top insulating layer 10 can be fixed on the top of the opening through a steel beam 25, and the steel beam 25 is connected with the lower surface of the floor slab 9. This embodiment can improve the heat insulating effect between the fixed frame 4 and the intermediate heat insulating layer.

Optionally, as shown in fig. 2 to 4, the external waterproof board 6 is fixed outside the top insulating layer 10. This can improve the waterproof effect of the node.

Optionally, as shown in fig. 2 to 4, an inner waterproof plate 12 is fixed to an inner wall of the top insulating layer 10, and the waterproof vapor barrier film 8 is respectively fixed to positions where the inner wall of the window frame 5 and the inner wall of the inner waterproof plate 12 are connected. This improves the waterproofing effect of the top of the window frame 5.

Optionally, as shown in fig. 2 to fig. 4, the window frame 5 includes a first hollow cavity, a first hollow cavity 13, a filling cavity 14, and a second hollow cavity, a second hollow cavity 15, where the filling cavity 14 is located between the first hollow cavity, the first hollow cavity 13, and the second hollow cavity, the second hollow cavity 15; and heat insulation rubber strips 16 are arranged on the upper side and the lower side of the filling cavity 14, and heat insulation fillers 17 are filled between the heat insulation rubber strips 16. The insulating filler 17 may be polyurethane. This embodiment can improve the heat insulating effect and the sound insulating effect between the window frame 5 and the fixing frame 4 and the indoor and outdoor.

Optionally, as shown in fig. 2 to 4, an insulating gasket 18 is disposed between the window frame 5 and the fixing frame 4. This can improve the heat insulation effect between the window frame 5 and the fixing frame 4.

Optionally, as shown in fig. 2 to 4, a glass 26 is installed inside the window frame 5, a first insulating rubber strip 19 is disposed between an outer wall of the glass 26 and the window frame 5, and a second insulating rubber strip 20 is disposed between an inner wall of the glass 26 and the window frame 5. The first insulating rubber strip 19 and the second insulating rubber strip 20 may be ethylene propylene diene monomer rubber strips. This improves the thermal insulation between the glass 26 and the window frame 5.

Optionally, as shown in fig. 2 to 4, the glass 26 includes multiple layers, a third insulating rubber strip 21 and a fixing rubber strip 22 are installed between adjacent glasses, and an upper surface of the fixing rubber strip 22 is connected to a lower surface of the third insulating rubber strip 21. The fixing rubber strip 22 may be a silicone structural adhesive, and the third heat insulation rubber strip 21 may be an ethylene propylene diene monomer rubber strip. This can improve the heat insulating effect between the multiple glass sheets.

Optionally, as shown in fig. 1 to 4, insulation boards 23 are installed on the outer sides of the external insulation layer 2 and the top insulation layer 10. The insulation board 23 can play a role in insulation and decoration. The insulation board 23 may also be referred to as a decorative board, which may be a decorative aluminum board.

Optionally, as shown in fig. 2 to 4, the insulation board 23 is disposed between two adjacent layers of rooms, an upper end of the insulation board 23 is connected to the bottom of the fixing frame 4 on the upper layer, and a lower end of the insulation board 23 is connected to the top of the fixing frame 4 on the lower layer. This prevents the insulation panel 23 from obstructing the glass 26 of the window. The window comprises said fixed frame 4, said sash 5 and said glass 26.

To sum up, the utility model provides a pair of no heat bridge and high gas tightness's window wall node has following beneficial effect:

(1) Modeling calculation is carried out through simulation software (such as therm), so that the temperature of the inner surface of the node is higher than the indoor dew point temperature, and the heat insulation measures at the position of the window frame 5 meet the design requirements of condensation prevention and ultralow energy consumption without heat bridge.

The above description is only for the purpose of describing the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, and any variations and modifications made by those skilled in the art according to the above disclosure are within the scope of the present invention.

Claims

1. A window wall node without a heat bridge and with high air tightness is characterized by comprising a wall, an external heat-insulating layer, a middle heat-insulating layer, an internal heat-insulating layer, a fixed frame, a window frame, an external waterproof board, a waterproof breathable film and a waterproof vapor-barrier film;

the external heat-insulating layer is arranged on the outer side of the wall;

the window frame is installed inside the fixed frame;

2. The heat bridge free and highly airtight window wall node according to claim 1, wherein said opening has a rectangular shape.

3. The heat bridge-free and highly airtight window wall node according to claim 2, wherein the top of said opening extends to the floor slab; the middle heat-insulating layer comprises a top heat-insulating layer, side heat-insulating layers and a bottom heat-insulating layer, the top heat-insulating layer is mounted at the top of the fixed frame, the side heat-insulating layers are fixed on two sides of the fixed frame, and the bottom heat-insulating layer is fixed at the bottom of the fixed frame; the thickness of the top heat-insulating layer is greater than that of the side heat-insulating layer and that of the bottom heat-insulating layer; the upper surface of the top heat-insulating layer is connected with the lower surface of the floor slab, and the lower surface of the top heat-insulating layer is connected with the upper surface of the fixed frame.

4. The window wall joint without heat bridge and with high airtightness of claim 3, wherein a built-in waterproof sheet is fixed to an inner wall of the top insulating layer, and the waterproof vapor-barrier film is fixed to an inner wall of the window frame and an inner wall of the built-in waterproof sheet at the positions where they are joined, respectively.

5. The non-thermal bridge and high-airtightness window wall node according to claim 1, wherein the window frame includes a first hollow cavity, a filling cavity and a second hollow cavity, and the filling cavity is located between the first hollow cavity and the second hollow cavity; and heat insulation rubber strips are arranged on the upper side and the lower side of the filling cavity, and heat insulation fillers are filled between the heat insulation rubber strips.

6. The heat bridge-free and highly airtight window wall node according to claim 1, wherein an insulating gasket is disposed between said window frame and said fixing frame.

7. The heat bridge free and highly hermetic window wall joint as claimed in claim 1, wherein the window frame is internally installed with glass, a first insulating rubber strip is disposed between the outer wall of the glass and the window frame, and a second insulating rubber strip is disposed between the inner wall of the glass and the window frame.

8. The non-heat bridge and highly hermetic window wall joint as claimed in claim 7, wherein the glass comprises a plurality of layers, a third insulating rubber strip and a fixing rubber strip are installed between adjacent glass, and the upper surface of the fixing rubber strip is connected with the lower surface of the third insulating rubber strip.

9. The window wall node without thermal bridge and with high airtightness of claim 3, wherein insulation boards are installed on the outer sides of the external insulation layer and the top insulation layer.

10. The heat bridge-free and highly airtight window wall node according to claim 9, wherein said heat insulating plate is disposed between two adjacent floors of rooms, an upper end of said heat insulating plate is connected to a bottom of the fixing frame of the upper floor, and a lower end of said heat insulating plate is connected to a top of the fixing frame of the lower floor.