阅读说明：本技术 预制叠合保温墙体和装配式墙体、建筑物 (Prefabricated coincide thermal insulation wall body and assembled wall body, building ) 是由 金曈 王平山 李进军 纵斌 吴学淑 于 2021-09-24 设计创作，主要内容包括：本发明公开了一种预制叠合保温墙体和装配式墙体、建筑物,可以实现集成保温,免保温连接件,第一相变储能混凝土板、第二相变储能混凝土板主要以相变储能混凝土为保温材料。而相变储能混凝土中的相变储能材料,其导热系数小,具有极高的耐火性能。预制叠合保温墙体留有空腔用于在现场进行一体化浇筑,不需要通过保温连接件连接,减少了冷热桥效应,墙体节能保温效果好。由于中间留有空腔,因此本申请的预制叠合保温墙体在工厂预制部分自重轻,运输和吊装方便,提高了运输和施工效率。(The invention discloses a prefabricated superposed thermal insulation wall, an assembled wall and a building, which can realize integrated thermal insulation without a thermal insulation connecting piece. The phase-change energy storage material in the phase-change energy storage concrete has small heat conductivity coefficient and extremely high fire resistance. The prefabricated superposed heat-insulating wall body is provided with a cavity for on-site integrated pouring, does not need to be connected through a heat-insulating connecting piece, reduces the cold and hot bridge effect, and has good energy-saving and heat-insulating effects. Because the cavity is left in the middle, the prefabricated coincide thermal insulation wall of this application is light at the prefabricated part dead weight of mill, and transportation and hoist and mount are convenient, have improved transportation and efficiency of construction.)

1. A prefabricated superposed thermal insulation wall is characterized by comprising a first phase change energy storage concrete slab, a second phase change energy storage concrete slab and a pre-buried connecting piece;

the first phase change energy storage concrete plate and the second phase change energy storage concrete plate are arranged in parallel and oppositely, the first phase change energy storage concrete plate and the second phase change energy storage concrete plate are connected through the embedded connecting piece, a cavity is formed between the first phase change energy storage concrete plate and the second phase change energy storage concrete plate, the first part of the embedded connecting piece is embedded in the prefabricated overlapped heat preservation wall body, the second part of the embedded connecting piece is exposed in the cavity, and the cavity is internally used for casting a concrete layer in situ.

2. The prefabricated laminated thermal insulation wall of claim 1, wherein the first phase change energy storage concrete slab has a thickness of 50 mm.

3. The prefabricated laminated thermal insulating wall of claim 1, wherein said second phase change energy storage concrete slab has a thickness of 50 mm.

4. The prefabricated laminated thermal insulation wall of claim 1, wherein said embedded connectors comprise truss reinforcement.

5. The prefabricated laminated thermal insulation wall of claim 4, wherein said truss reinforcement includes upper chord reinforcement, lower chord reinforcement and tie bars;

the upper chord steel bar is connected with the lower chord steel bar through the connecting rib, the upper chord steel bar is embedded in the first phase change energy storage concrete slab, and the lower chord steel bar is embedded in the second phase change energy storage concrete slab.

6. The prefabricated laminated thermal insulation wall of claim 5, wherein the number of the upper chord steel bars, the lower chord steel bars and the connecting ribs is plural.

7. The prefabricated laminated thermal wall of claim 4, wherein said truss reinforcement is provided in a plurality.

8. The prefabricated composite thermal insulation wall body according to any one of claims 1 to 7, wherein a through hole is formed in the prefabricated composite thermal insulation wall body, and the through hole penetrates through the first phase change energy storage concrete plate and the first phase change energy storage concrete plate.

9. An assembled wall, characterised in that a prefabricated laminated thermal wall according to any one of claims 1-7 is used.

10. A building, characterized by the use of a fabricated wall according to claim 9.

Technical Field

The invention relates to the field of buildings, in particular to a prefabricated superposed thermal insulation wall, an assembled wall and a building.

Background

With the development of industrialization and intelligent construction of new buildings, research on the application of new green building materials with the integration of multiple functions such as environmental protection, energy conservation, heat preservation and the like in the outer enclosure of the fabricated building is being widely developed. At present, the existing heat insulation wall in the market mostly adopts heat insulation connecting pieces to connect a heat insulation layer, a base layer, a veneer layer and the like, and has the problems of self-weight, cold and hot bridge phenomena and the like.

Therefore, how to provide a thermal insulation wall with light self weight and reduced cold and hot bridge phenomena is a problem to be solved in the field.

It is noted that the information disclosed in this background section is only for enhancement of understanding of the general background of the application and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.

Disclosure of Invention

The invention aims to provide a prefabricated superposed thermal insulation wall, an assembled wall and a building, which are used for solving the problems of large self weight, serious cold and hot bridge phenomenon and the like of the thermal insulation wall in the prior art.

In order to solve the technical problem, the invention provides a prefabricated laminated thermal insulation wall, which comprises a first phase change energy storage concrete slab, a second phase change energy storage concrete slab and a pre-buried connecting piece, wherein the first phase change energy storage concrete slab is arranged on the first phase change energy storage concrete slab;

the first phase change energy storage concrete plate and the second phase change energy storage concrete plate are arranged in parallel and oppositely, the first phase change energy storage concrete plate and the second phase change energy storage concrete plate are connected through the embedded connecting piece, a cavity is formed between the first phase change energy storage concrete plate and the second phase change energy storage concrete plate, the first part of the embedded connecting piece is embedded in the prefabricated overlapped heat preservation wall body, the second part of the embedded connecting piece is exposed in the cavity, and the cavity is internally used for casting a concrete layer in situ.

Optionally, the thickness of the first phase change energy storage concrete plate is 50 mm.

Optionally, the second phase change energy storage concrete slab has a thickness of 50 mm.

Optionally, the pre-buried connecting member comprises a truss reinforcement.

Optionally, the truss reinforcing steel bars comprise upper chord reinforcing steel bars, lower chord reinforcing steel bars and connecting ribs;

the upper chord steel bar is connected with the lower chord steel bar through the connecting rib, the upper chord steel bar is embedded in the first phase change energy storage concrete slab, and the lower chord steel bar is embedded in the second phase change energy storage concrete slab.

Optionally, the number of the upper chord steel bar, the lower chord steel bar and the connecting bar is multiple.

Optionally, the number of the truss reinforcing steel bars is multiple.

Optionally, a through hole is formed in the prefabricated laminated thermal insulation wall body, and the through hole penetrates through the first phase-change energy storage concrete slab and the first phase-change energy storage concrete slab.

Based on the same inventive concept, the invention also provides an assembled wall body, which utilizes the prefabricated superposed thermal insulation wall body in any one of the characteristic descriptions.

Based on the same inventive concept, the invention also provides a building which is characterized in that the assembled wall body is utilized.

Compared with the prior art, the invention has the following beneficial effects:

the invention provides a prefabricated superposed thermal insulation wall, which comprises a first phase change energy storage concrete slab, a second phase change energy storage concrete slab and a pre-buried connecting piece. The first phase change energy storage concrete plate and the second phase change energy storage concrete plate are oppositely arranged in parallel, and the first phase change energy storage concrete plate and the second phase change energy storage concrete plate are connected through the embedded connecting piece. A cavity is formed between the first phase change energy storage concrete slab and the second phase change energy storage concrete slab, a first part of the embedded connecting piece is embedded in the prefabricated overlapped heat preservation wall body, a second part of the embedded connecting piece is exposed in the cavity, and the cavity is internally used for casting a concrete layer in situ. Based on the structure, the integrated heat preservation can be realized, the heat preservation connecting piece is avoided, and the first phase change energy storage concrete plate and the second phase change energy storage concrete plate mainly use the phase change energy storage concrete as heat preservation materials. The phase-change energy storage material in the phase-change energy storage concrete has small heat conductivity coefficient and extremely high fire resistance. The prefabricated superposed heat-insulating wall body is provided with a cavity for on-site integrated pouring, does not need to be connected through a heat-insulating connecting piece, reduces the cold and hot bridge effect, and has good energy-saving and heat-insulating effects. Because the cavity is left in the middle, the prefabricated coincide thermal insulation wall of this application is light at the prefabricated part dead weight of mill, and transportation and hoist and mount are convenient, have improved transportation and efficiency of construction.

The invention also provides an assembled wall body and a building, which belong to the same inventive concept with the prefabricated superposed thermal insulation wall body, so that the assembled wall body and the building have the same beneficial effects and are not described herein again.

Drawings

FIG. 1 is a schematic structural cross-sectional view of a prefabricated laminated thermal insulation wall according to an embodiment of the present application;

FIG. 2 is a schematic view of a first assembled wall according to an embodiment of the present application;

FIG. 3 is a schematic view of a second assembled wall according to an embodiment of the present application;

FIG. 4 is a schematic view of a third assembled wall according to the embodiment of the present application;

10-first phase change energy storage concrete plate, 20-second phase change energy storage concrete plate, 30-concrete layer and 40 pre-embedded connecting pieces

Detailed Description

The following describes in more detail embodiments of the present invention with reference to the schematic drawings. 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 in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present 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 only 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.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

Referring to fig. 1, an embodiment of the present invention provides a prefabricated laminated thermal insulation wall, including a first phase change energy storage concrete slab 10, a second phase change energy storage concrete slab 20, and pre-embedded connectors 40. The first phase change energy storage concrete plate 10 and the second phase change energy storage concrete plate 20 are arranged in parallel and oppositely, the first phase change energy storage concrete plate 10 and the second phase change energy storage concrete plate 20 are connected through the embedded connecting piece 40, a cavity is formed between the first phase change energy storage concrete plate 10 and the second phase change energy storage concrete plate 20, a first part of the embedded connecting piece 40 is embedded in the prefabricated overlapped heat-preservation wall body, a second part of the embedded connecting piece 40 is exposed in the cavity, and the cavity is internally used for casting the concrete layer 30 in place.

The invention provides a prefabricated superposed thermal insulation wall body which is different from the prior art in that the prefabricated superposed thermal insulation wall body comprises a first phase change energy storage concrete plate 10, a second phase change energy storage concrete plate 20 and a pre-buried connecting piece 40. The first phase change energy storage concrete plate 10 and the second phase change energy storage concrete plate 20 are oppositely arranged in parallel, and the first phase change energy storage concrete plate 10 and the second phase change energy storage concrete plate 20 are connected through the embedded connecting piece 40. A cavity is formed between the first phase change energy storage concrete slab 10 and the second phase change energy storage concrete slab 20, a first part of the embedded connector 40 is embedded in the prefabricated overlapped thermal insulation wall, a second part of the embedded connector 40 is exposed in the cavity, and the cavity is internally used for casting the concrete layer 30 in situ. Based on the structure, the integrated heat preservation can be realized, the heat preservation connecting piece is avoided, and the first phase change energy storage concrete plate 10 and the second phase change energy storage concrete plate 20 mainly use the phase change energy storage concrete as the heat preservation material. The phase-change energy storage material in the phase-change energy storage concrete has small heat conductivity coefficient and extremely high fire resistance. The prefabricated superposed heat-insulating wall body is provided with a cavity for on-site integrated pouring, does not need to be connected through a heat-insulating connecting piece, reduces the cold and hot bridge effect, and has good energy-saving and heat-insulating effects. Because the cavity is left in the middle, the prefabricated coincide thermal insulation wall of this application is light at the prefabricated part dead weight of mill, and transportation and hoist and mount are convenient, have improved transportation and efficiency of construction.

It can be understood by those skilled in the art that the phase change material in the phase change energy storage material mentioned in this embodiment is an energy storage material that uses latent heat to store energy, and has the advantages of high energy storage density, small volume expansion rate, and the material itself can keep approximately isothermal during the process of absorbing or releasing heat. The base material in the phase change energy storage material adopts inorganic porous materials such as ceramsite, silica fine material, expanded perlite and the like. The method comprises the steps of enabling an inorganic porous material to absorb a phase change material by adopting a direct impregnation or vacuum adsorption or direct mixing technology to obtain the phase change energy storage material, and then packaging the phase change energy storage material by adopting a resin material or modified cement slurry to solve the problem of leakage of the phase change material from the inorganic porous material. And finally, taking the phase change energy storage material as a coarse aggregate of the concrete to prepare the phase change energy storage concrete with the phase change energy storage and heat preservation functions. The phase-change energy storage concrete has the function of phase-change temperature regulation, thereby realizing the advantages of energy conservation and environmental protection. The first phase change energy storage concrete plate 10 and the second phase change energy storage concrete plate 20 made of the phase change energy storage material have the same advantages.

In the embodiment of the present invention, the thickness of the first phase change energy storage concrete plate 10 is preferably 50mm, the thickness of the second phase change energy storage concrete plate 20 is preferably 50mm, and the width of the cavity (i.e. the thickness of the concrete layer 30) is preferably 100 mm. It will be understood by those skilled in the art that in other embodiments, the first phase change energy storage concrete plate 10, the second phase change energy storage concrete plate 20 and the foam concrete insulating layer may have other thicknesses, which are not limited herein and may be selected and adjusted according to practical needs.

Specifically, the embedded connectors may include truss reinforcements. The truss reinforcing steel bars comprise upper chord reinforcing steel bars, lower chord reinforcing steel bars and connecting ribs. The upper chord steel bar and the lower chord steel bar are connected through the connecting rib, the upper chord steel bar is embedded in the first phase change energy storage concrete plate 10, and the lower chord steel bar is embedded in the second phase change energy storage concrete plate 20.

In an embodiment of the present invention, the number of the upper-chord steel bars, the lower-chord steel bars, and the connecting bars is plural. Similarly, the number of the truss reinforcing steel bars is also multiple.

Optionally, a through hole is formed in the prefabricated laminated thermal insulation wall, and the through hole penetrates through the first phase change energy storage concrete slab 10, the second phase change energy storage concrete slab 20 and the concrete layer 30. The through hole may serve as a reserved hole for the window.

Based on the same inventive concept, the embodiment of the invention also provides an assembled wall body, and the prefabricated overlapped heat-insulation wall body is characterized by being prepared according to any one of the above characteristic descriptions. Referring to fig. 2 to 4, fig. 2 is a schematic view of a first assembly wall in the embodiment of the present application, which is a top view of an L-shaped horizontally connected assembly wall; FIG. 3 is a schematic diagram of a second assembled wall according to the embodiment of the present application, which is a top view of a T-shaped horizontally connected assembled wall; fig. 4 is a schematic view of a third assembled wall in the embodiment of the present application, which is a top view of a vertically connected assembled wall. The prefabricated wall body prepared by utilizing the prefabricated superposed heat-insulating wall body is good in structural integrity, a plurality of vertical steel bars and horizontal steel bars between the prefabricated superposed heat-insulating wall bodies are arranged and overlapped in the cavity, common concrete is poured in the cavity to form a solid wall body, sleeves or slurry anchors are not needed for connection, and the prefabricated superposed heat-insulating wall body has the characteristics of high assembling speed and good integrity.

Based on the same inventive concept, the invention also provides a building which is characterized in that the assembled wall body is utilized.

Compared with the prior art, the invention has the following beneficial effects:

the invention provides a prefabricated superposed thermal insulation wall which is characterized by comprising a first phase change energy storage concrete plate, a second phase change energy storage concrete plate and a pre-buried connecting piece. The first phase change energy storage concrete plate and the second phase change energy storage concrete plate are oppositely arranged in parallel, and the first phase change energy storage concrete plate and the second phase change energy storage concrete plate are connected through the embedded connecting piece. A cavity is formed between the first phase change energy storage concrete slab and the second phase change energy storage concrete slab, a first part of the embedded connecting piece is embedded in the prefabricated overlapped heat preservation wall body, a second part of the embedded connecting piece is exposed in the cavity, and the cavity is internally used for casting a concrete layer in situ. Based on the structure, the integrated heat preservation can be realized, the heat preservation connecting piece is avoided, and the first phase change energy storage concrete plate and the second phase change energy storage concrete plate mainly use the phase change energy storage concrete as heat preservation materials. The phase-change energy storage material in the phase-change energy storage concrete has small heat conductivity coefficient and extremely high fire resistance. The prefabricated superposed heat-insulating wall body is provided with a cavity for on-site integrated pouring, does not need to be connected through a heat-insulating connecting piece, reduces the cold and hot bridge effect, and has good energy-saving and heat-insulating effects. Because the cavity is left in the middle, the prefabricated coincide thermal insulation wall of this application is light at the prefabricated part dead weight of mill, and transportation and hoist and mount are convenient, have improved transportation and efficiency of construction.

The invention also provides an assembled wall body and a building, wherein the vertical steel bars of the upper and lower components and the horizontal steel bars of the left and right components are arranged and overlapped in the cavity, and common concrete is poured in the cavity to form a solid wall body, so that the solid wall body is connected without a sleeve or a grout anchor, and the assembled wall body and the building have the characteristics of high assembling speed and good integrity.

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.

The above description is only a preferred embodiment of the present invention, and does not limit the present invention in any way. It will be understood by those skilled in the art that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.