CN111005646A - Ultra-low energy consumption building external window structure and construction method thereof - Google Patents
Ultra-low energy consumption building external window structure and construction method thereof Download PDFInfo
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- CN111005646A CN111005646A CN201911268114.3A CN201911268114A CN111005646A CN 111005646 A CN111005646 A CN 111005646A CN 201911268114 A CN201911268114 A CN 201911268114A CN 111005646 A CN111005646 A CN 111005646A
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- 238000010276 construction Methods 0.000 title claims abstract description 13
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- 239000004793 Polystyrene Substances 0.000 claims description 4
- 229910002804 graphite Inorganic materials 0.000 claims description 4
- 239000010439 graphite Substances 0.000 claims description 4
- 229920002223 polystyrene Polymers 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims description 3
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Classifications
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
- E06B1/56—Fastening frames to the border of openings or to similar contiguous frames
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
- E06B1/56—Fastening frames to the border of openings or to similar contiguous frames
- E06B1/58—Fastening frames to the border of openings or to similar contiguous frames by filling up the joints, e.g. by cementing
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
- E06B1/62—Tightening or covering joints between the border of openings and the frame or between contiguous frames
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
- E06B1/62—Tightening or covering joints between the border of openings and the frame or between contiguous frames
- E06B2001/622—Tightening or covering joints between the border of openings and the frame or between contiguous frames especially adapted for door frames; Joint covering devices where the wall surface is parallel to the adjacent door or window frame part
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
- E06B1/62—Tightening or covering joints between the border of openings and the frame or between contiguous frames
- E06B2001/624—Tightening or covering joints between the border of openings and the frame or between contiguous frames with parts to be embedded in the stucco layer or otherwise linked to this layer
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/90—Passive houses; Double facade technology
Abstract
The invention provides an ultra-low energy consumption building external window structure and a construction method thereof, and the ultra-low energy consumption building external window structure comprises a base wall body provided with an external window opening, a window, a heat insulation cushion layer assembly and a heat insulation layer, wherein the heat insulation cushion layer assembly comprises a first part and a second part which form an included angle; respectively installing a heat insulation cushion layer assembly at the top and the bottom of the outer window opening, covering the first part on the top or the bottom of the outer window opening, and tightly attaching the second part to the outer wall of the base layer wall; the window is embedded and installed on the outer window opening, the window comprises a window frame connected with the outer window opening, and the top and the bottom of the window frame are fixedly connected with the first parts at corresponding positions respectively; the outdoor side of the window frame and the outer side of the second part are on the same plane; the heat insulating layer is arranged on the base layer wall body and covers the second part and part of the window frame. Under the condition that the thickness of the heat preservation layer is not enough to cover the window frame, the invention can meet the requirements of air tightness, heat preservation and no heat bridge of the outer window structure of the ultra-low energy consumption building.
Description
Technical Field
The invention relates to construction of an external window of a building wall body, in particular to an ultra-low energy consumption building external window structure and a construction method thereof.
Background
With the issuance of new central 'practical, economic, green and beautiful' guidelines, in order to improve the indoor environment of buildings, improve the energy utilization efficiency, improve the building quality and life, and guide the buildings to continuously improve the energy-saving level, the ultra-low energy consumption, near-zero energy consumption and zero energy consumption become the development trend of future green buildings. In the ultra-low energy consumption building, the heat preservation performance, the air tightness and no heat bridge of the external window are important technical measures for realizing the ultra-low energy consumption building.
At present, a national building standard design drawing of 'passive low energy consumption building-residential building in severe cold and cold regions' 16J908-8 explains an external hanging type installation method of an external window of an ultra-low energy consumption building, and the specific structure of the external window is shown in figure 1. The window 2 is installed on the foundation wall 1 in an integrally externally-hung manner, that is, the inner surface of the window frame of the window 2 is flush with the outer surface of the foundation wall 1 (i.e., in the same plane), and meanwhile, the part, close to the window, on the outer surface of the foundation wall 1 needs to be covered with the heat insulation cushion layer 4, and the heat insulation layer 3 is installed on the heat insulation cushion layer 4, and the heat insulation layer 3 also needs to cover part of the window frame on the window 1. The thickness of the insulating layer is set to be 250-300mm in a concentrated way by the design drawing, and is far larger than the thickness of the window frame of the window 1. The heat preservation adopts double-deck insulation material staggered joint to lay, and the second layer heat preservation covers partial window frame.
Meanwhile, the external hanging installation method in other drawings, standards or guidelines, such as national standards GB/T51350-2019, Shanghai ultra-low energy consumption building technology guidelines and the like, also requires that the thickness of the heat-insulating layer is larger than that of the window frame, and the heat-insulating layer can cover part of the window frame. However, the thickness of the insulating layer in the installation methods is generally 250-300mm, which belongs to the thickness of the wall body external insulation in the northern area, and is not suitable for the external wall system in Shanghai and even summer-heat winter-cold areas, so that the disjointing phenomenon exists in the application of the summer-heat winter-cold areas including Shanghai.
According to the guide of ultra-low energy consumption construction technology in Shanghai city, the reference value of the heat transfer coefficient of the outer wall of the house in the Shanghai district is less than or equal to 0.4W/(m 2K), and the reference value of the heat transfer coefficient of the outer wall of the public building is less than or equal to 0.3W/(m 2K). If the graphite polystyrene board is used as the outer heat insulation material, the thickness of the heat insulation layer is about 90-100mm according to the calculation of PKPM software. Meanwhile, the heat transfer coefficient of the external window adopted by the residences and the public buildings in the Shanghai region is less than or equal to 1.2W/(m 2K). According to the research on the suitable external window products in the market, the total thickness of the external window frame body of the products is about 80-90 mm.
According to the analysis, the ultra-low energy consumption building in the Shanghai area is different from the characteristic that the heat-insulating layer is thicker in the northern area due to the fact that the heat-insulating layer is in the hot-in-summer and cold-in-winter area, the thickness of the heat-insulating layer is very close to that of the outer window frame, and the heat-insulating layer cannot cover the outer window frame, so that the integral externally-hanging installation method proposed in the current atlas, standard and guide rules is difficult to directly adopt.
For this reason, in order to meet the demand of climate and ultra-low energy consumption of buildings in hot summer and cold winter areas including Shanghai, a new external window structure system needs to be researched to meet the demand of Shanghai areas.
Disclosure of Invention
The invention provides an ultra-low energy consumption building external window structure and a construction method thereof, which are used for solving the problem that the thermal insulation requirement of a building cannot be met because a window frame cannot be covered due to a thin thermal insulation layer in the prior art.
In order to solve the problems, the invention provides an ultra-low energy consumption building external window structure, which comprises a base layer wall body, a window, a heat insulation cushion layer assembly and a heat insulation layer,
the base wall is provided with an outer window opening;
the heat insulation cushion layer assembly comprises a first part and a second part, the first part and the second part respectively comprise a heat insulation cushion layer and a fixed steel plate, and an included angle is formed between the first part and the second part;
respectively installing a heat insulation cushion layer assembly at the top and the bottom of the outer window opening, wherein the first part is covered and installed at the top or the bottom of the outer window opening, and the second part is tightly attached to the outer wall of the base layer wall;
the window is embedded and installed on the outer window opening, the window comprises a window frame connected with the outer window opening, and the top and the bottom of the window frame are fixedly connected with the first part at the corresponding position respectively;
the outdoor side of the window frame is on the same plane with the outer side of the second part;
the heat insulation layer is arranged on the base layer wall body and covers the second part and part of the window frame.
Furthermore, a leveling layer is laid on the outer wall of the base layer wall body, the leveling layer extends to a partial area of the top or the bottom of the outer window opening, and the first part and the second part of the heat insulation cushion layer assembly are installed on the leveling layer; and a bonding layer is also laid on the leveling layer, the bonding layer is adjacent to the second part, and the surface of the bonding layer is flush with the outer side of the second part.
Furthermore, a waterproof vapor-barrier film is arranged on one indoor side of the window, and a waterproof vapor-permeable film is arranged on one outdoor side of the window.
Furthermore, the top and the bottom of the outer window opening are both provided with a plastering layer, and the plastering layer covers the first part on the indoor side of the window frame and the top and the bottom of the outer window opening on the indoor side of the window frame.
Further, the indoor side and the outdoor side of the window frame are sealed.
Further, the length of the first portion is greater than the thickness of the window frame and less than the thickness of the outer window opening.
Further, the thickness of the heat-insulating layer is less than or equal to 100 mm.
Further, the heat insulation layer is made of graphite polystyrene boards.
Further, the width of the window frame covered by the heat insulation layer along a first direction is greater than or equal to 30mm, and the first direction is a gravity direction.
In order to solve the problems, the invention also provides a construction method of the building external window structure with ultralow energy consumption, which comprises the following steps:
s1, leveling an outer wall of a base layer wall to form a leveling layer, wherein the leveling layer extends to a partial area of the top or the bottom of an outer window opening;
s2, fixedly installing heat insulation cushion layer assemblies at the top and the bottom of a window frame of the window respectively, wherein the first part of each heat insulation cushion layer assembly completely covers the top or the bottom of the corresponding window frame, and the outdoor side of the window frame is flush with the outer side of the second part of each heat insulation cushion layer assembly;
s3, embedding and installing a window on an outer window opening of the base layer wall body, wherein the first part covers the top or the bottom of the outer window opening, and the second part covers the outer wall of the base layer wall body;
s4, covering and installing waterproof vapor-permeable membranes on the window frame and the second part on one outdoor side, further leveling on the leveling layer to form a bonding layer, enabling the waterproof vapor-permeable membranes to be flush with the bonding layer, enabling the bonding layer to be connected with the second part, covering and installing waterproof vapor-barrier membranes on the first part on one indoor side of the window frame and the top and the bottom of the outer window opening, and plastering the waterproof vapor-barrier membranes to form a plastering layer;
s5, sealing both the indoor side and the outdoor side of the window frame;
and S6, laying a heat insulation layer along the bonding layer, wherein the heat insulation layer also covers the second part and part of the window frame.
Therefore, according to the ultra-low energy consumption building external window structure and the construction method thereof, the window is embedded and installed in the external window opening, so that the thinner heat-insulating layer can directly cover part of the window frame of the window, and the heat-insulating effect of the heat-insulating layer cannot be influenced; furthermore, a heat insulation cushion layer assembly is arranged between the window and the outer window opening, so that the heat insulation property and the air tightness of the outer window structure can be further improved; furthermore, a waterproof vapor-barrier film is arranged on one indoor side of the window, and a waterproof vapor-permeable film is arranged on one outdoor side of the window, so that the waterproofness and the air tightness of the outer window structure can be improved.
Drawings
FIG. 1 is a structure diagram of an ultra-low energy consumption building external window in the prior art;
FIG. 2 is a structural diagram of an ultra-low energy consumption building external window according to an embodiment of the invention;
FIG. 3 is a diagram of a thermal blanket assembly in the ultra low energy building external window structure of FIG. 2;
in FIG. 1, 1 is a basic wall, 2 is a window, 3 is an insulating layer, and 4 is a heat-insulating cushion layer;
in fig. 2, 11-basement wall, 12-insulation blanket assembly, 12A-first part, 12B-second part, 121-insulation blanket, 122-hot galvanized angle steel, 13-window frame, 14-plastering layer, 15-heat preservation layer, 16A-leveling layer, 16B-bonding layer, 17-waterproof vapor-permeable film, 18-connecting strip, 19-expansion bolt, 20-waterproof vapor-barrier film, 21-sealing paste, 22-anchor bolt, 23-drip line, 24-outdoor window board, 25-indoor window board, 26A-sealing paste, 26B-sealing paste and 27-sealing strip.
Detailed Description
The present invention provides an ultra-low energy consumption building external window structure and a construction method thereof, which are further described in detail with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more apparent from the following description. It is to be noted that the drawings are designed in a simplified manner and are intended to represent non-limiting embodiments of the invention for the purpose of facilitating and distinctly claiming the embodiments of the invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Further, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Fig. 2 is a structural diagram of an external window of an ultra-low energy consumption building according to an embodiment of the present invention. The ultra-low energy consumption building external window structure comprises a base layer wall body 11, a window, a heat insulation cushion layer assembly 12 and a heat insulation layer 15, wherein the base layer wall body 11 is provided with an external window opening;
as can be seen from fig. 3, the thermal insulation cushion assembly 12 includes a first portion 12A and a second portion 12B, both the first portion 12A and the second portion 12B include a thermal insulation cushion 121 and a fixed steel plate, in this embodiment, the fixed steel plate is galvanized angle steel 122, and the first portion 12A and the second portion 12B form an included angle (i.e., the first portion 12A and the second portion 12B are maintained on a non-same plane, and the included angle is equal to an included angle between an outer wall of the basement wall 11 and a top or a bottom of the outer window opening);
a heat insulation cushion layer assembly 12 is respectively and fixedly arranged at the top and the bottom of the outer window opening, wherein the first part 12A is tightly attached to the top or the bottom of the outer window opening, and the second part 12B is tightly attached to the outer wall of the base layer wall body 11;
the window is embedded and installed on the outer window opening, the window comprises a window frame 13 connected with the outer window opening, and the top and the bottom of the window frame 13 are fixedly connected with the first part 12A at the corresponding position respectively;
the outdoor side of the sash 13 is on the same plane as the outside of the second portion 12B;
the insulating layer 15 is installed on the base wall 11 and covers the second portion 12B and a portion of the window frame 13.
The outer wall of the base wall 11 refers to a wall on a side of the base wall 11 close to the outdoor.
Preferably, a leveling layer 16A is laid at the outer wall of the base layer wall 11, the leveling layer 16A extends to a partial area of the top or the bottom of the outer window opening, and the first part 12A and the second part 12B of the heat insulation cushion assembly 12 are installed on the leveling layer 16A; an adhesive layer 16B is also laid on the leveling layer 16A, and the adhesive layer 16B is adjacent to the second part 12B and has a surface flush with the outer side of the second part 12B.
In this embodiment, the second portion 12B is secured to the outer wall by a plurality of expansion bolts 19 which block the thermal bridge, thereby mounting the insulation blanket assembly 12 on the top or bottom of the outer window opening.
Further, the ultra-low energy consumption building external window structure further comprises a waterproof steam-insulating film 20 and a waterproof steam-permeable film 17, wherein the waterproof steam-insulating film 20 is arranged outside the indoor side of the window frame 13, and the waterproof steam-permeable film 17 is arranged outside the outdoor side. As shown in fig. 2, the waterproof and vapor-permeable film 17 covers the second portion 12B and a portion of the window frame 13, and the waterproof and vapor-impermeable film 20 is mounted on the top or bottom of the outer window opening and covers the first portion 12A and a portion of the top or bottom of the outer window opening. The waterproof vapor-barrier film 20 is used as a vapor-barrier layer, plays a role in preventing moisture and vapor, and prevents indoor moisture from permeating the heat-insulating layer 15 to affect the service life of the heat-insulating layer 15; waterproof ventilated membrane is in order to prevent outdoor rainwater entering heat preservation 15, can outwards discharge the moisture of heat preservation 15 simultaneously, lets heat preservation 15 keep dry, increases the thermal insulation performance of building to make the building more energy-conserving.
Further, the top and bottom of the external window opening are provided with the plastering layer 14, and preferably, the area of the first portion 12A not covered by the window frame 13 can be covered by the plastering layer 14, so as to increase the air tightness of the external window structure. In addition, the plastering layer 14 can wrap the waterproof and steam-proof film 20, so that the air tightness is further improved.
In order to improve the airtightness of the exterior window structure, the window frame 13 is sealed on both the indoor side and the outdoor side. On the indoor side, the included angle between the plastering layer 14 and the window frame 13 can be sealed by using sealing paste 21; on the outdoor side, a connecting strip 18 is installed between the heat insulating layer 15 and the window frame 13 to perform sealing treatment. Of course, the present invention is not limited to the sealing material.
Further, the heat insulation cushion layer assembly 12 comprises a heat insulation cushion layer 121 and hot galvanized angle steel 122, wherein the heat insulation cushion layer 121 is mounted on the top or the bottom of the outer wall and the outer window opening in a covering manner, and the hot galvanized angle steel 122 is mounted on the heat insulation cushion layer 121 in a covering manner.
In order to improve the rigidity of the window, the window frame 13 is connected to the galvanized angle iron 122 by the anchor bolt 22.
Further, in this embodiment, the thickness of the insulating layer 15 is less than 100mm, and the thickness is perpendicular to the base layer wall 11. Of course, the thickness of the insulating layer 15 may also be greater than 100mm, and the specific thickness thereof may be adjusted according to actual requirements.
Further, the insulating layer 15 is made of graphite polystyrene board. It is understood that the insulating layer 15 may be made of other insulating materials, and the present invention is not limited thereto.
Further, the insulating layer 15 covers a portion of the window frame 13, and preferably, a width of the window frame 13 covered by the insulating layer 15 along a first direction is greater than or equal to 30mm, and the first direction is a gravity direction.
Still be equipped with the line 23 that drips on the heat preservation 15 for draw the stream to the rainwater in the heat preservation 15 outside, reduce the influence of rainwater to the exterior window structure.
Further, window boards are further installed at the bottom of the outer window opening, and the indoor side and the outdoor side of the window frame 13 are respectively provided with one window board, namely an indoor window board 25 and an outdoor window board 24. Sealing treatment is performed between the indoor window board 25 and the window frame 13 by using a sealing paste 26A, sealing treatment is performed between the outdoor side heat insulation layer 15 and the window frame 13 by using a sealing paste 26B, and sealing treatment is performed between the outdoor window board 24 and the heat insulation layer 15 by using a sealing tape 27.
In order to complete the ultra-low energy consumption building external window structure, the embodiment further provides a construction method of the ultra-low energy consumption building external window structure, which includes the following steps:
s1, conducting leveling treatment on the outer wall of a base layer wall body 11 to form a leveling layer 16A, wherein the leveling layer 16A extends to a partial area of the top or the bottom of an outer window opening, and preferably, the area of the partial area is larger than or equal to that of a first part 12A of a heat insulation cushion layer assembly 12;
s2, fixedly installing heat insulation cushion layer assemblies 12 on the top and the bottom of a window frame 13 of the window respectively, wherein a first part 12A of each heat insulation cushion layer assembly 12 completely covers the top or the bottom of the corresponding window frame 13, and the outdoor side of the window frame 13 is flush with the outer side of a second part 12B of each heat insulation cushion layer assembly 12;
s3, the window is embedded and installed on an outer window opening of the base layer wall body 11, the first portion 12A covers the top or the bottom of the outer window opening in a covering mode, and the second portion 12B covers the outer wall of the base layer wall body 11 in a covering mode;
s4, covering and installing a waterproof vapor-permeable membrane 17 on the window frame 13 and the second part 12B on the outdoor side, further leveling the leveling layer 16A to form a bonding layer 16B, enabling the waterproof vapor-permeable membrane 17 to be flush with the bonding layer 16B, enabling the bonding layer 16B to be connected with the second part 12B, covering and installing a waterproof vapor-barrier membrane 20 on the first part 12A on the indoor side of the window frame 13 and the top and the bottom of the outer window opening, and performing plastering treatment on the waterproof vapor-barrier membrane 20 to form a plastering layer 14;
s5, sealing both the indoor side and the outdoor side of the window frame 13;
s6, laying an insulating layer 15 along the bonding layer 16B, wherein the insulating layer 15 also covers the second part 12B and part of the window frame 13.
Preferably, the thickness of the plastering layer 14 is more than 15 mm. It should be noted that the thickness of the layer of plastering 14 on the top of the outer window opening is smaller than the thickness of the first portion 12A, so that the layer of plastering 14 is prevented from falling off from the top of the outer window opening too much.
In conclusion, the ultra-low energy consumption building external window structure and the construction method thereof provided by the invention have the advantages that the window is embedded and installed in the external window opening, so that a thinner heat-insulating layer can directly cover part of the window frame of the window, and the heat-insulating effect of the heat-insulating layer cannot be reduced; furthermore, a heat insulation cushion layer assembly is arranged between the window and the outer window opening, so that the heat insulation property and the air tightness of the outer window structure can be further improved; furthermore, the waterproof and steam-proof film is arranged on one indoor side of the window, and the waterproof and steam-permeable film is arranged on one outdoor side of the window, so that the waterproofness and the air tightness of the outer window structure can be improved.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example" or "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. And the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.
Finally, it should be noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. An ultra-low energy consumption building external window structure is characterized by comprising a basic wall body, a window, a heat insulation cushion layer component and a heat insulation layer,
the base wall is provided with an outer window opening;
the heat insulation cushion assembly comprises a first part and a second part, the first part and the second part respectively comprise a heat insulation cushion and a fixed steel plate, and an included angle is formed by the first part and the second part;
respectively installing a heat insulation cushion layer assembly at the top and the bottom of the outer window opening, wherein the first part is covered and installed at the top or the bottom of the outer window opening, and the second part is tightly attached to the outer wall of the base layer wall;
the window is embedded and installed on the outer window opening, the window comprises a window frame connected with the outer window opening, and the top and the bottom of the window frame are fixedly connected with the first part at the corresponding position respectively;
the outdoor side of the window frame is on the same plane with the outer side of the second part;
the heat insulation layer is arranged on the base layer wall body and covers the second part and part of the window frame.
2. The ultra low energy building exterior window structure of claim 1, wherein a leveling layer is laid at the exterior wall of the substrate wall, the leveling layer extends to a partial area of the top or bottom of the exterior window opening, and the first portion and the second portion of the thermal insulation mat assembly are mounted on the leveling layer; and a bonding layer is also laid on the leveling layer, the bonding layer is adjacent to the second part, and the surface of the bonding layer is flush with the outer side of the second part.
3. The ultra low energy building exterior window structure of claim 1, wherein said window has a waterproof vapor barrier film on an indoor side and a waterproof vapor permeable film on an outdoor side.
4. The ultra low energy building exterior window structure of claim 1, wherein the top and bottom of said exterior window opening are provided with a render layer covering said first portion of said indoor side of said window frame and the top and bottom of said exterior window opening of said indoor side of said window frame.
5. The ultra low energy building exterior window structure of claim 1, wherein the indoor side and the outdoor side of the window frame are sealed.
6. The ultra low energy building exterior window structure of claim 1, wherein the length of the first portion is greater than the window frame thickness and less than the exterior window opening thickness.
7. The ultra low energy building exterior window structure of claim 1, wherein the insulating layer has a thickness of 100mm or less.
8. The ultra low energy consumption building exterior window structure of claim 1, wherein said insulation layer is made of graphite polystyrene board.
9. The ultra low energy building exterior window structure of claim 1, wherein the width of the window frame covered by the insulating layer in a first direction is greater than or equal to 30mm, and the first direction is a gravity direction.
10. A construction method of an ultra-low energy consumption building external window structure is characterized by comprising the following steps:
s1, leveling an outer wall of a base layer wall to form a leveling layer, wherein the leveling layer extends to a partial area of the top or the bottom of an outer window opening;
s2, fixedly installing heat insulation cushion layer assemblies at the top and the bottom of a window frame of the window respectively, wherein the first part of each heat insulation cushion layer assembly completely covers the top or the bottom of the corresponding window frame, and the outdoor side of the window frame is flush with the outer side of the second part of each heat insulation cushion layer assembly;
s3, embedding and installing the window on an outer window opening of the base layer wall body, wherein the first part covers the top or the bottom of the outer window opening, and the second part covers the outer wall of the base layer wall body;
s4, covering and installing waterproof vapor-permeable membranes on the window frame and the second part on one outdoor side, further leveling on the leveling layer to form a bonding layer, enabling the waterproof vapor-permeable membranes to be flush with the bonding layer, enabling the bonding layer to be connected with the second part, covering and installing waterproof vapor-barrier membranes on the first part on one indoor side of the window frame and the top and the bottom of the outer window opening, and performing plastering treatment on the waterproof vapor-barrier membranes to form a plastering layer;
s5, sealing both the indoor side and the outdoor side of the window frame;
and S6, laying a heat-insulating layer along the bonding layer, wherein the heat-insulating layer also covers the second part and part of the window frame.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911268114.3A CN111005646A (en) | 2019-12-11 | 2019-12-11 | Ultra-low energy consumption building external window structure and construction method thereof |
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| CN201911268114.3A CN111005646A (en) | 2019-12-11 | 2019-12-11 | Ultra-low energy consumption building external window structure and construction method thereof |
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Cited By (1)
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| CN114412319A (en) * | 2022-01-26 | 2022-04-29 | 崔勇军 | Low energy consumption building heat preservation window structure |
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Application publication date: 20200414 |