CN211817140U

CN211817140U - Energy-saving multi-storey building outer wall structure

Info

Publication number: CN211817140U
Application number: CN202020172380.8U
Authority: CN
Inventors: 景泉; 刘畅; 吴南伟; 李静威; 周舰; 王梓淳
Original assignee: China Architecture Design and Research Group Co Ltd
Current assignee: China Architecture Design and Research Group Co Ltd
Priority date: 2020-02-16
Filing date: 2020-02-16
Publication date: 2020-10-30
Anticipated expiration: 2030-02-16

Abstract

An energy-saving multi-storey building outer wall structure belongs to a wall body reconstruction structure. The building is characterized in that an additional module heat-insulating wall body is arranged outside the existing wall body on the periphery of the building, an air space is formed between the two heat-insulating wall bodies at intervals, the upper part and the lower part of the additional module heat-insulating wall body are respectively provided with a ventilating parallel through hole (5) serving as a ventilating opening, each through hole is provided with a plug-type cover which has the same structure with the corresponding through hole and can be opened and closed, and a ventilating shutter can be arranged between the upper part through hole and the lower part through hole. The prefabricated assembly is adopted, the site construction link is simplified, and the prefabricated wall can be popularized and applied in a large scale under the requirements of different climates, different regions, different seasons and different existing wall current situations and orientations.

Description

Energy-saving multi-storey building outer wall structure

Technical Field

The utility model relates to a wall body reforms transform structure, concretely relates to existing multi-storey building outer wall reforms transform structure based on energy-conserving target.

Background

The energy-saving modification project of the existing residences becomes a hot spot, particularly the development of the passive energy-saving technology and concept promotes people to think more about an outer wall modification system which is wider in application range, simpler and more feasible in technology and more sufficient in energy utilization. However, most of the existing external wall modification technical measures are simple heat insulation layer additions, although the physical performance of the building is improved to a certain extent and a certain energy-saving demonstration effect is obtained, the additional extra weight and the additional method greatly affect the structure and the structure of the existing wall body, so that the current situation of the existing wall body is greatly limited, in addition, the energy-saving requirements in different seasons cannot be flexibly met, the existing external wall modification technical measures cannot be generally adapted to various climatic environments and the actual situations of different building orientations, too many field construction links cause the advantages of prefabricated and assembled building components to be brought into play, the passive building technology cannot be integrated and utilized, meanwhile, the building appearance is also affected to a certain extent, the modification method cannot be made according to local conditions and time conditions, the original thinking of the modification method is also caused from the aspect of customers, and special consideration and flexible response to specific situations are lacked, and is not beneficial to the popularization of the technical idea and method of the passive ecological building. Therefore, it is necessary to design a method for modifying the outer wall of the existing multi-storey building based on the energy-saving goal.

SUMMERY OF THE UTILITY MODEL

The utility model discloses remedy above-mentioned prior art not enough, from the application scope with two aspects of the relation of existing building and technical adaptability expanded technique, the adaptability of technique has been promoted, the technical design is reasonable, energy utilization is high, implement simply, the management and control of being convenient for, the practicality is strong based on the existing multilayer building outer wall transformation method of energy-conserving target, adopt prefabricated assembly to implement, simplify the site operation link, can be in different climates, different regions, different seasons, different existing wall body current situations and orientation demand under carry out scale popularization and application.

An energy-saving multi-storey building outer wall structure is characterized in that a layer of additional module heat-insulating wall body (2) is further arranged outside an existing wall body (1) on the peripheral surface of a house, the additional module heat-insulating wall body and the existing wall body are parallel and have spacing gaps, the spacing gaps form air interlayers (3), the additional module heat-insulating wall bodies on the peripheral surface of the house are connected into a whole, corresponding equal openings (4) are also formed in the additional module heat-insulating wall bodies corresponding to the outer sides of windows and doors in the existing wall body, and the additional module heat-insulating wall bodies at the openings are sealed with the existing wall bodies corresponding to the doors and the peripheries of the windows, so that the air interlayers are prevented from leaking from the openings; the whole wall body on each side of the periphery of the whole additional module heat-insulating wall body comprises one or more of three model modules: the I-shaped module is characterized in that the upper part and the lower part of the heat-insulating wall body of the additional module are respectively provided with a ventilating parallel through hole (5) serving as a ventilating opening, the through holes are of a rectangular structure, the horizontal direction is the length direction, the through holes are relatively long, and each through hole is provided with a plug-type cover (6) which has the same structure as the corresponding through hole; the upper part and the lower part of the heat-insulating wall body of the additional module are respectively provided with a ventilating parallel through hole, the through holes are in a rectangular structure, the horizontal direction is the length direction, the through holes are relatively long, each through hole is provided with a plug-type cover which has the same structure with the corresponding through hole, and the inner surface of the heat-insulating wall body of the additional module is also provided with a layer of second heat-insulating layer (7); and a III-type module, wherein a ventilation shutter (8) is further arranged between the upper through hole and the lower through hole which are parallel to the heat-insulating wall body of the additional module in the structure of the I-type module or/and the II-type module.

Each through hole corresponding to the upper part and the lower part is a through hole with a downward inclined opening, namely, the openings of the additional module heat-insulating wall body are inclined downward from the inner side surface to the outer side surface, so that rainwater is prevented from entering the additional module heat-insulating wall body obliquely in the rainy period.

The thickness of the cover of each through hole corresponding to the upper part and the lower part is the same as that of the additional module heat-insulating wall body, the structure of the cover is the same as that of the through hole, the cover can be embedded into the through hole, and then the through hole is stuck and fixed on the outer side surface of the additional module heat-insulating wall body by adopting substances such as adhesive cloth or adhesive tape; when the cover is opened, the adhesive cloth or adhesive tape is uncovered, and the corresponding cover is taken out.

The additional module thermal insulation wall body is of a splicing module (9) structure along the length or/and the width direction of the wall surface, and is formed by fixedly connecting a plurality of splicing modules, each splicing module (9) is of a multilayer structure, an outer decorative layer (11), a light inner structure (12), a thermal insulation layer (13) and a waterproof membrane (14) are sequentially arranged from the outer side surface to the inner side surface, and the light inner structure has a supporting function, such as prefabricated plates and the like.

The uppermost horizontal direction, the lowermost horizontal direction and the middle vertical direction of the whole wall body on each side of the periphery of the whole additional module heat-insulating wall body are respectively provided with a bearing structure.

The existing wall body (1) and the additional module heat-insulating wall body (2) are anchored and fixed by bolts (10), and bolt anchoring points are arranged on a bearing structure.

And a support rod perpendicular to the existing wall body (1) and arranged between the existing wall body (1) and the additional module heat-insulating wall body (2) is used for supporting the additional module heat-insulating wall body (2), so that the existing wall body (1) and the additional module heat-insulating wall body are more fixedly parallel.

Compare with traditional building heat preservation transformation method, the utility model discloses technical advantage mainly has following several:

firstly, the traditional method mainly adopts a heat-insulating layer wet-pasting method, has more field construction procedures and longer construction period, mainly adopts prefabricated integral wall surface anchoring, has higher assembly degree, effectively shortens the construction period and ensures the construction quality;

secondly, in the structural relation with the existing wall body, the traditional method needs to attach all the weight to the existing wall body, which is not beneficial to the safety and the stability of the structure, and the technical module has the bearing function and only needs to be connected with the existing wall body, so that the stability of the existing wall body and the existing wall body can be simultaneously strengthened, the advantages of prefabrication and assembly are simultaneously exerted, the internal structural beam column is arranged according to the positions of the existing wall body and the beam slab column, and the correspondence and the integrity of the structure are strengthened;

thirdly, the traditional technology covers and damages the outer surface of the whole building, has large influence on the color and the material of the outer surface of the building, has poor design flexibility, needs to be decorated again, and increases the manufacturing cost of secondary external decoration;

finally, in the aspect of adaptability of climate, season and orientation, the traditional method has single material and method, the method converges under all conditions, once the method is completed, the method cannot be changed, and the adaptability is poor.

Drawings

FIG. 1 is a dispersion view of an additional module thermal insulation wall outside an existing wall;

FIG. 2 is a block diagram of three models;

FIG. 3 is a sectional view of a connecting structure of an additional wall and an existing wall;

FIG. 4 is a multi-layer structure diagram of a mosaic module;

the building comprises an existing wall body (1), an additional module heat-insulating wall body (2), an air space (3), holes (4), through holes (5), a cover (6), a second heat-insulating layer (7), a ventilation shutter (8), a splicing module (9), bolts (10), an outer decorative layer (11), a light inner structure (12), a heat-insulating layer (13) and a waterproof membrane (14).

Detailed Description

The present invention will be further described with reference to the following examples, but the present invention is not limited to the following examples.

Example 1

Specific structural members are shown in fig. 1-4.

The following adaptable alternative module types can be given for the chinese building climate zones (see fig. 2): the I-shaped module can be selected for severe cold and cold regions, north and west walls have large heat preservation requirements in winter, air interlayers are sealed, heat preservation is additionally added, ventilation and heat dissipation requirements are met in south summer, and ventilation is enhanced by opening ventilation openings; in hot summer and cold winter areas, II-type modules can be selected, air interlayers are closed in winter, heat dissipation requirements are met in the south summer, ventilation is enhanced through an open ventilation opening, and in order to prevent over-strong insolation in the west, III-type modules can be selected and added with ventilation shutters to enhance heat dissipation; the type III module can be selected in hot summer and warm winter areas, and a ventilation shutter is added to strengthen the heat dissipation effect; the four orientation requirements of the mild area are relatively converged, the damp-proof heat dissipation requirement is met, and the II-type module and the III-type module can be matched for use, so that the ventilation and heat dissipation are enhanced, and the air circulation is promoted. On the basis of the three basic modules, customized processing can be carried out according to specific requirements, and the adaptability of the modules to weather, seasons and orientation is further improved.

The utility model adopts the technical proposal that: the method for reconstructing the outer wall of the existing multi-storey building based on the energy-saving target comprises the following special methods of adding materials and methods of a wall body, connecting the wall body and the existing wall body, opening the wall body, constructing a system by prefabricated wall boards corresponding to different climatic conditions, coping with variable mode strategies in different seasons and coping with different building orientations, and is characterized in that: the wall body adopts light high-strength material, and the prerequisite of guaranteeing intensity reduces the cost, ensures economic nature, and the wall body is convenient easy with existing wall body connected mode, and firm in connection guarantees that the destruction to existing wall body is minimized in intensity simultaneously, guarantees to dismantle, and wall body upper portion and lower part set up the opening to be furnished with measures such as corresponding rain-proof, preventing the toy, in addition, adopt different wall body system in the face of the different building orientation that has different demands, also have different application module in the face of different seasons.

Additional wall materials and constructions (see figure 2): the outer wall is made by splicing a splicing module and an integral plate, wherein the splicing module is arranged from one side facing the outdoor and comprises an outer decorative layer 11, a light inner structure 12, a heat insulation layer 13 and a waterproof permeable membrane 14, the outer decorative layer can be pretreated as required, and the response to the building appearance is achieved by adopting technical measures such as real stone paint, coating and the like; the light inner structure 12 can be made of a light concrete hanging plate or a local common building bearing material; the heat preservation layer is usually benzene board, rock wool board etc. can specifically confirm according to local economic demand. The wall body 2 is integrally processed, prefabricated and molded, bolt anchoring installation points are reserved, dry operation is carried out after the wall body is transported to a site, the traditional wet operation is omitted, the construction period is shortened, the site construction procedure is simplified, the control of construction quality and the shortening of construction period are facilitated, and the wall body has additional economic advantages in regions with limited construction period such as cold regions.

The connecting mode of the additional wall and the existing wall (see the attached figure 3): the additional wall body can solve self bearing effect, only needs to be connected with the existing building wall body to increase the stability of the additional wall body and the existing building wall body, and is reserved with bolt anchoring points according to the building size, and is anchored with the beam slab columns of the bearing part of the existing wall body by bolts, so that the damage to the outer surface of the building is small.

Wall opening mode (see figure 2): the lower part and the upper part of the integrated wallboard are respectively provided with the ventilation openings, and the ventilation openings are opened in hot areas and climatic conditions to form a down-to-up draught effect, take away waste heat and reduce the temperature of the outer surface of the building, so that the integrated wallboard is particularly suitable for walls which are heated more and face in hot weather such as the west side and the south side. The ventilation opening is closed in winter to form a closed air space, the thickness of the space can be calculated according to the energy-saving requirement, and the air space and the heat-insulating layer form a heat-insulating system together to strengthen the surface thermal resistance of the building.

Claims

1. An energy-saving multi-storey building outer wall structure is characterized in that a layer of additional module heat-insulating wall body (2) is further arranged outside an existing wall body (1) on the peripheral surface of a house, the additional module heat-insulating wall body and the existing wall body are parallel and have spacing gaps, the spacing gaps form air interlayers (3), the additional module heat-insulating wall bodies on the peripheral surface of the house are connected into a whole, corresponding equal openings (4) are also formed in the additional module heat-insulating wall bodies corresponding to the outer sides of windows and doors in the existing wall body, and the additional module heat-insulating wall bodies at the openings are sealed with the existing wall bodies corresponding to the doors and the peripheries of the windows, so that the air interlayers are prevented from leaking from the openings; the whole wall body on each side of the periphery of the whole additional module heat-insulating wall body comprises one or more of three model modules: the I-shaped module is characterized in that the upper part and the lower part of the heat-insulating wall body of the additional module are respectively provided with a ventilating parallel through hole (5) serving as a ventilating opening, the through holes are of a rectangular structure, the horizontal direction is the length direction, the through holes are relatively long, and each through hole is provided with a plug-type cover (6) which has the same structure as the corresponding through hole; the upper part and the lower part of the heat-insulating wall body of the additional module are respectively provided with a ventilating parallel through hole, the through holes are in a rectangular structure, the horizontal direction is the length direction, the through holes are relatively long, each through hole is provided with a plug-type cover which has the same structure with the corresponding through hole, and the inner surface of the heat-insulating wall body of the additional module is also provided with a layer of second heat-insulating layer (7); and a III-type module, wherein a ventilation shutter (8) is further arranged between the upper through hole and the lower through hole which are parallel to the heat-insulating wall body of the additional module in the structure of the I-type module or/and the II-type module.

2. An energy saving type multistoried building exterior wall structure according to claim 1, wherein each of said upper and lower through holes is a downwardly opened through hole, i.e., the opening of the insulation wall body of the additional module is downwardly opened from the inner side surface to the outer side surface to prevent rainwater from being introduced thereto in case of rain.

3. An energy-saving multi-storey building outer wall structure according to claim 1, wherein the thickness of the cover of each through hole corresponding to the upper part and the lower part is the same as that of the additional module heat-insulating wall body, the structure of the cover is the same as that of the through hole, the cover can be embedded into the through hole, and then the through hole is stuck and fixed on the outer side surface of the additional module heat-insulating wall body by adopting substances such as adhesive cloth or adhesive tape; when the cover is opened, the adhesive cloth or adhesive tape is uncovered, and the corresponding cover is taken out.

4. The energy-saving multi-storey building outer wall structure according to claim 1, wherein the additional module thermal insulation wall body is of a splicing module (9) structure along the length direction or/and the width direction of the wall surface, and is formed by fixedly connecting a plurality of splicing modules, the splicing module (9) is of a multi-storey structure, and an outer decorative layer (11), a light inner structure (12), an insulation layer (13) and a waterproof membrane (14) are sequentially arranged from the outer side surface to the inner side surface.

5. An energy saving type multi-storey building outer wall structure according to claim 1 wherein the entire additional module insulation wall body is provided with load bearing structures in the uppermost horizontal direction, the lowermost horizontal direction and the middle vertical direction of the entire wall body on each of the peripheral sides thereof.

6. An energy-saving multi-storey building outer wall structure according to claim 5, wherein the existing wall body (1) and the additional module heat insulation wall body (2) are anchored and fixed by bolts (10), and bolt anchoring points are arranged on the bearing structure.

7. An energy-saving multi-storey building outer wall structure according to claim 1, wherein support rods perpendicular to the existing wall body (1) are further arranged between the existing wall body (1) and the additional module heat preservation wall body (2) for supporting the additional module heat preservation wall body (2) to enable the two to be more fixedly parallel.