Basic unit body and building structure decoration integrated unit type roof system

Abstract

The utility model provides a unit type roof system integrating basic unit bodies and building structure decoration. Each basic unit body comprises two supporting columns, each supporting column comprises a column pier on the lower section, a prefabricated steel structure column on the middle section and a steel truss on the upper section, and the two supporting columns are connected through the steel trusses. The two outward extending parts are arranged on the two supporting columns correspondingly, and the outward extending parts are located at the connecting positions of the steel structure columns and the steel truss; and the decorative suspended ceiling is connected with the two outward extending parts and the steel truss. The modular advantage of a unit type roof is exerted, heat preservation, heat insulation, lighting and sun shading, natural ventilation and integrated utilization of photovoltaic renewable energy sources and a building are combined, the comprehensive performance of the roof is comprehensively improved, the comfort of the internal space is improved, energy consumption and carbon emission of the building are reduced, and improvement of the overall quality of the building is facilitated; and the application of a green low-carbon emission reduction technology in the unit type roof is realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of building engineering especially relates to a basic unit body for use in large station building design and unit type roof cover system of building structure decoration integration. BACKGROUND

[0002] Due to the fact that there is no relevant research on unit type station building (station, house) roof cover in China, unit type roof cover is less used in large station building design, and only Taiyuan South Station adopts unit type roof cover in China. With the diversification development of comprehensive hub design, unit type roof cover has obvious advantages in structure design standard transformation, unit assembly type and the like, and can be combined with green technology and digital technology for detailed research. Unit type roof cover has many joints due to many individual units, and unit type structure has limitations on drainage mode, so it is necessary to research and simplify the joints and quantity, simplify drainage and improve the reliability of waterproofing. SUMMARY

[0003] The utility model solves the technical problem that a basic unit body and unit type roof cover system of building structure decoration integration are provided, which can exert the modularization advantage of unit type roof cover, combine heat preservation, heat insulation, lighting, shading, natural ventilation, photovoltaic renewable energy and building integration utilization, and comprehensively improve the comprehensive performance of roof cover.

[0004] To achieve the above object, an embodiment of the utility model provides a basic unit body applied to unit type roof cover system of building structure decoration integration, the basic unit body includes: two supporting columns, each supporting column includes: a column pier of a lower section, a steel structure column of a middle section and a steel truss of an upper section, and the two supporting columns are connected through the steel trusses; two outer extension parts are respectively arranged on the two supporting columns, and the outer extension parts are located at the connecting positions of the steel structure columns and the steel trusses; and a decorative ceiling is connected with the two outer extension parts and the steel trusses.

[0005] In some embodiments, the basic unit body includes: a first basic unit including the two supporting columns, the two outer extension parts and the decorative ceiling, the decorative ceiling of the first basic unit includes: perforated plate ceiling connected with the two outer extension parts respectively; standing seam metal roof panel arranged on the side of the perforated plate ceiling away from the steel structure column and connected with the steel truss; and photovoltaic panel arranged on the side of the standing seam metal roof panel away from the perforated plate ceiling.

[0006] In some embodiments, the basic unit body comprises: a second basic unit comprising two supporting columns, two spreading parts and the decorative ceiling, the decorative ceiling of the second basic unit comprising: perforated plate ceilings connected with the two spreading parts respectively; standing seam metal roof panels arranged on a side of the perforated plate ceilings away from the steel structure columns and connected with the steel truss; crescent-shaped skylights opened in a local area of the standing seam metal roof panels, a side of the crescent-shaped skylights facing the steel structure columns being provided with double-layer ETFE films; and photovoltaic panels arranged on a side of the standing seam metal roof panels away from the perforated plate ceilings.

[0007] In some embodiments, the basic unit body comprises: a third basic unit comprising two supporting columns, two spreading parts and the decorative ceiling, the decorative ceiling of the third basic unit comprising: solid-web beams connected with the two spreading parts respectively; and glass daylighting roofs arranged on a side of the solid-web beams away from the steel structure columns and connected with the steel truss.

[0008] To achieve the above object, an embodiment of the utility model further provides a unit roof system integrating building structure and decoration, comprising: at least one of the first basic unit, the second basic unit and the third basic unit.

[0009] The above technical scheme has the following advantages: a large number of structural components are exposed as building expression elements, and the building space effect is improved through building structure integration design to realize decoration-free and weak decoration; the efficient structure system is researched and adopted to save building materials, reduce construction difficulty, realize better economy, and reduce building energy consumption and carbon emission; the unit assembly type design of the roof has a positive significance for improving the roof construction progress, reducing the construction time, and reducing the emission of powder layer and pm2.5; the industrial chain leads to the improvement of overall design and construction quality and efficiency; the modularization advantage of the unit roof is exerted, the heat insulation, lighting, shading, natural ventilation, photovoltaic renewable energy and building integration utilization are combined, the comprehensive performance of the roof is comprehensively improved, the internal space comfort is improved, the building energy consumption and carbon emission are reduced, the overall quality of the building is improved, and the green low-carbon emission reduction technology is applied to the unit roof; the building structure integration expression is realized, the building effect diversity and permeability are adapted, the manufacturing and installation technology of the components is safe and reliable, and the adaptability is strong; the unit roof system integrating building structure and decoration can be freely combined and matched according to actual design requirements. BRIEF DESCRIPTION OF DRAWINGS

[0010] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0011] Figure 1 The figure shows a three-dimensional schematic diagram of the unit roof system of the building structure decoration integration provided by an embodiment of the present application.

[0012] Figure 2 The figure shows a three-dimensional schematic diagram of the unit roof system of the building structure decoration integration provided by an embodiment of the present application. Figure 1 The figure shows a three-dimensional schematic diagram of the unit roof system of the building structure decoration integration provided by an embodiment of the present application.

[0013] Figure 3 The figure shows a three-dimensional schematic diagram of the unit roof system of the building structure decoration integration provided by an embodiment of the present application. Figure 1 The figure shows a three-dimensional schematic diagram of the unit roof system of the building structure decoration integration provided by an embodiment of the present application.

[0014] Figure 4 The figure shows a schematic diagram of the steel structure column provided by an embodiment of the present application.

[0015] Figure 5 The figure shows a schematic diagram of the connection between the steel structure column and the column pier provided by an embodiment of the present application.

[0016] Figure 6 The figure shows a schematic diagram of the first basic unit provided by an embodiment of the present application.

[0017] Figure 7 The figure shows a schematic diagram of the second basic unit provided by an embodiment of the present application.

[0018] Figure 8 The figure shows a schematic diagram of the third basic unit provided by an embodiment of the present application. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0020] The utility model provides an embodiment provides a kind of basic unit, it is applied to the unit roof system of building structure decoration integration;The basic unit includes: two supporting columns, each the supporting column includes: the column pier of lower section, the steel structure column of middle section prefabrication and the steel truss of upper section, two The supporting column is connected by the steel truss;Two outer parts are respectively arranged on two The supporting column, and the outer part is located at the junction of the steel structure column and the steel truss;Decorative ceiling is connected with two The outer part and the steel truss respectively.

[0021] The basic unit can include different basic units, each basic unit can have the same supporting column and outer part, while different on the decorative ceiling;Different decorative ceilings respectively realize roof integration electromechanical integration (first basic unit), lighting ventilation (second basic unit), lighting insulation (third basic unit) and other different functions.

[0022] An embodiment of the utility model provides a kind of unit roof system of building structure decoration integration, including the first basic unit, the second basic unit and the third basic unit of the basic unit body described in the utility model at least one of.The building structure decoration integration unit roof system described in the utility model can be combined and matched by the above-mentioned three basic units of any number and kind freely according to actual design requirements.For example, the unit roof system of the basic unit body of 1 or more than 1 quantity can be composed of any one of the above-mentioned three basic units, the unit roof system of the basic unit body of 2 or more than 2 quantity can be composed of any two of the above-mentioned three basic units, and the unit roof system of the basic unit body of 3 or more than 3 quantity can be composed of the above-mentioned three basic units.

[0023] Please see Figures 1-8 , wherein, Figure 1 It is the three-dimensional schematic view of the unit roof system of building structure decoration integration provided by an embodiment of the utility model; Figure 2 It is Figure 1 The top view schematic view of the unit roof system of building structure decoration integration shown; Figure 3 It is Figure 1 The bottom view schematic view of the unit roof system of building structure decoration integration shown; Figure 4 It is the schematic view of steel structure column provided by an embodiment of the utility model; Figure 5 It is the schematic view of steel structure column and column pier connection provided by an embodiment of the utility model; Figure 6 It is the schematic view of the first basic unit provided by an embodiment of the utility model; Figure 7 It is the schematic view of the second basic unit provided by an embodiment of the utility model; Figure 8 It is the schematic view of the third basic unit provided by an embodiment of the utility model.

[0024] As Figures 1-3 shown, the unit roof system of the building structure and decoration integration of the embodiment includes a first basic unit 60, two second basic units 70 and a third basic unit 80. The first basic unit 60 is arranged opposite to the third basic unit 80, and the two second basic units 70 are arranged opposite to each other; the first basic unit 60 is adjacent to the two second basic units 70 respectively, and the third basic unit 80 is adjacent to the two second basic units 70 respectively; the first basic unit 60, the two second basic units 70 and the third basic unit 80 share a steel structure column located in the middle. Specifically, the third basic unit 80 can be located in the central axis space of the station building.

[0025] The unit roof system of the building structure and decoration integration of the embodiment is composed of the above three basic units to form a unit roof system with four basic unit bodies, which simultaneously realizes the functions of roof integration with electromechanical integration, lighting and ventilation, lighting and heat insulation, etc. The unit roof system has a fabricated design, which is of positive significance for improving the construction progress of the roof, reducing the construction time, and reducing the emission of pm2.5; the industrial chain leads to the improvement of the overall design and construction quality and efficiency. The modular advantage of the unit roof system is utilized to combine with the utilization of heat insulation, lighting and shading, natural ventilation, and photovoltaic renewable energy and building integration, to comprehensively improve the comprehensive performance of the roof, improve the comfort of the internal space, reduce the building energy consumption and carbon emission, help to improve the overall quality of the building, and realize the application of green low-carbon emission reduction technology in the unit roof system.

[0026] Specifically, the basic unit body includes two supporting columns 10, two outer extension parts 20 and a decorative ceiling 30. Each supporting column 10 includes a lower column pier 11, a middle precast steel structure column 12 and an upper steel truss 13, and the two supporting columns are connected by the steel truss 13. The two outer extension parts 20 are arranged on the two supporting columns 10 respectively, and the outer extension part 20 is located at the connection between the steel structure column 12 and the steel truss 13. The decorative ceiling 30 is connected with the two outer extension parts 20 and the steel truss 13 respectively.

[0027] In some embodiments, the column span between the steel structure columns 12 of the two supporting columns 10 is 40-50 meters. For example, to adapt to the railway platform modulus, the column span of the waiting hall can be selected as 44 meters to provide an economic and reasonable column span structure.

[0028] In the embodiment, the connection of the steel truss 13 between the two supporting columns 10 forms a corner steel beam structure, and the corner can be 90 degrees.

[0029] In this embodiment, the steel structure column 12 and the corner steel beam structure are exposed. This embodiment's de-decorated and minimally decorated design offers good economic efficiency. Exposing numerous structural components serves as architectural expression elements, achieving de-decoration and minimally decorated design through integrated building structure design, thus enhancing the architectural space effect. The research and adoption of efficient structural systems save building materials, reduce construction difficulty, achieve good economic efficiency, and reduce building energy consumption and carbon emissions.

[0030] In this embodiment, the column pier 11 is a cast-in-place concrete column pier with pre-embedded support parts 110 (e.g., Figure 5 (As shown). Specifically, the column pier 11 can be formed on-site by pre-setting steel frame embedded parts and support embedded parts, and then pouring concrete. The steel structure column 12 includes a prefabricated steel column body 121 and a ball joint support 122 (as shown). Figure 4 As shown, Figure 4 Part (a) is a three-dimensional image. Figure 4 (Part b) is the main view. The bottom of the steel column body 121 is welded to the top of the ball joint support 122, and the bottom of the ball joint support 122 is welded to the support embedded part 110 in the column pier 11 (e.g., Figure 5 (As shown). The steel truss 13 is welded to the top of the steel column body 121 or integrally formed. Specifically, the concrete column pier is poured on site, and the support embedded parts and the steel frame embedded parts in the column pier are embedded in the concrete, which reduces the workload and simplifies the operation. The steel column body 121 of the steel structure column 12 is prefabricated and assembled in the factory, and the bottom of the steel column body 121 is welded to the top of the ball joint support 122 in the factory; the factory-processed structural components help improve the processing quality, ensure the appearance requirements of the exposed steel structure column, and reduce the on-site construction period and difficulty. The bottom of the ball joint support 122 is welded to the support embedded parts 110 in the column pier 11 on site, which reduces the on-site welding workload and simplifies the operation. Compared with traditional cast-in-place reinforced concrete support columns, the support column provided in this embodiment has a smaller on-site construction workload (pouring and welding) and is simpler to operate. The steel structure column is processed in the factory, which helps improve the processing quality, ensures the appearance requirements of the exposed steel structure column, and reduces the on-site construction period and difficulty. Prefabricated buildings offer significant advantages in terms of construction period, labor, and energy consumption. They also enable integrated structural design, adaptability to diverse architectural styles, and the fabrication and installation of individual components are safe, reliable, and highly adaptable. Compared to traditional cast-in-place reinforced concrete columns, prefabricated buildings can reduce carbon emissions by a total of 3.737 kg / m² across the production, transportation, and construction stages, resulting in a total carbon reduction of 15.7%.

[0031] In this embodiment, the diameter of the steel column body 121 of the steel structure column 12 gradually increases from the bottom to the top, thereby providing sufficient support surface for the steel truss 13 at the top.

[0032] As Figure 6 shown, Figure 6 part (a) is a bottom view, Figure 6 part (b) is a top view. The basic unit includes: a first basic unit 60. The first basic unit 60 includes two supporting columns 10, two outer extensions 20, and a decorative ceiling 30. Each of the supporting columns 10 includes a lower column pier 11, a middle prefabricated steel structure column 12, and an upper steel truss 13, and the two supporting columns are connected by the steel truss 13. The two outer extensions 20 are respectively arranged on the two supporting columns 10, and the outer extensions 20 are located at the connection between the steel structure column 12 and the steel truss 13. The decorative ceiling 30 is connected with the two outer extensions 20 and the steel truss 13 respectively. The decorative ceiling 30 of the first basic unit 60 includes a perforated plate ceiling 631, an upright lock edge metal roof panel 632, and a photovoltaic panel 633.

[0033] Specifically, the perforated plate ceiling 631 of the first basic unit 60 is connected with the two outer extensions 20 respectively. The upright lock edge metal roof panel 632 is arranged on the side of the perforated plate ceiling 631 away from the steel structure column 12 and connected with the steel truss 13. The photovoltaic panel 633 is arranged on the side of the upright lock edge metal roof panel 632 away from the perforated plate ceiling 631.

[0034] In some embodiments, the perforated plate ceiling 631 adopts an aluminum alloy perforated plate ceiling; the upright lock edge metal roof panel 632 adopts an aluminum-magnesium-manganese metal upright lock edge roof panel; and the photovoltaic panel 633 adopts a single-crystal silicon photovoltaic panel or a BIPV thin-film photovoltaic panel. The aluminum-magnesium-manganese metal upright lock edge roof panel is a kind of roof panel used in building construction, whose core is a special plate-shaped metal panel with upright lock edge snap design. The roof has no perforation, and the support is hidden under the panel. The panels are connected through aluminum alloy fixed supports, and the upright lock edge snap forms a tight connection, which can solve the problem of thermal expansion and contraction stress and is suitable for making ultra-long size panels without deformation. The installation of BIPV thin-film photovoltaic panels in the area of the upright lock edge roof panel can reduce carbon emissions by about 40%. BIPV technology, namely Building Integrated Photovoltaic, is a technology that designs, constructs and installs solar photovoltaic power generation systems and buildings at the same time. Compared with traditional building attached photovoltaic systems (BAPV), BIPV not only provides clean energy, but also perfectly integrates with building aesthetics and functions, realizing the harmonious coexistence of buildings and energy.

[0035] In the entire unitized roof system, the first basic unit 60 is the main component of the station building. It adopts a standard unit with 44*44 meters of integrated beams and columns, which reflects the concept of integrated building structure without decoration. The roof is equipped with photovoltaic panels in combination with the electromechanical integration design concept, realizing the integrated use of photovoltaic renewable energy power generation and building, comprehensively improving the overall performance of the roof, improving the comfort of the internal space, reducing building energy consumption and carbon emissions, and helping to improve the overall quality of the building.

[0036] like Figure 7 As shown, Figure 7 Part (a) is a bottom-view stereoscopic image. Figure 7 Part (b) is a top-view perspective. The basic unit includes a second basic unit 70. The second basic unit 70 includes two supporting columns 10, two outward extensions 20, and a decorative ceiling 30. Each supporting column 10 includes a lower column base 11, a middle prefabricated steel structure column 12, and an upper steel truss 13, with the two supporting columns connected by the steel truss 13. The two outward extensions 20 are respectively disposed on the two supporting columns 10, and the outward extensions 20 are located at the connection between the steel structure column 12 and the steel truss 13. The decorative ceiling 30 is connected to the two outward extensions 20 and the steel truss 13. The decorative ceiling 30 of the second basic unit 70 includes a perforated panel ceiling 731, a standing seam metal roof panel 732, a crescent-shaped skylight 734, and a photovoltaic panel 733.

[0037] That is, the second basic unit 70 and the first basic unit 60 may have the same support column and outward extension, but they differ in the decorative ceiling.

[0038] Specifically, the perforated ceiling 731 of the second basic unit 70 is connected to both of the aforementioned outward extensions 20. A standing seam metal roof panel 732 is disposed on the side of the perforated ceiling 731 facing away from the steel structure column 12 and is connected to the steel truss 13. A crescent-shaped skylight 734 is opened in a partial area of ​​the standing seam metal roof panel 732, and a double-layer ETFE film 735 is disposed on the side of the crescent-shaped skylight 734 facing the steel structure column 12 to achieve shading and noise reduction. A photovoltaic panel 733 is disposed on the side of the standing seam metal roof panel 732 facing away from the perforated ceiling 731. The photovoltaic panel 733 can also be disposed on the side of the crescent-shaped skylight 734 facing away from the perforated ceiling 731.

[0039] In some embodiments, the perforated ceiling panel 731 is an aluminum alloy perforated ceiling panel; the standing seam metal roof panel 732 is an aluminum-magnesium-manganese metal standing seam roof panel; and the photovoltaic panel 733 is a monocrystalline silicon photovoltaic panel or a BIPV thin-film photovoltaic panel.

[0040] In the whole unit roof system, the second basic unit 70 is a lighting and ventilation unit of the station building, which locally increases a crescent skylight on the basis of the first basic unit 60. The double-layer ETFE film is used below the skylight to meet the requirements of indoor space cross ventilation of the station building while achieving sunshade and noise reduction. The modular advantage of the unit roof is exerted to realize lighting, sunshade and natural ventilation. Further, on the basis of the first basic unit 60, two side opening flaps can be locally added to improve the cross ventilation of the indoor space of the station building.

[0041] As shown in Figure 8 , Figure 8 Part (a) is a bottom view, Figure 8 Part (b) is a top view. The basic unit body comprises: a third basic unit 80. The third basic unit 80 comprises two supporting columns 10, two outer extensions 20 and a decorative suspended ceiling 30. Each supporting column 10 comprises a lower column pier 11, a middle precast steel structure column 12 and an upper steel truss 13, and the two supporting columns are connected by the steel truss 13. Two outer extensions 20 are arranged on the two supporting columns 10, and the outer extensions 20 are located at the connection between the steel structure column 12 and the steel truss 13. The decorative suspended ceiling 30 is connected with the two outer extensions 20 and the steel truss 13 respectively. The decorative suspended ceiling 30 of the third basic unit 80 comprises a solid web beam 831 and a glass lighting roof 832.

[0042] Specifically, the solid web beam 831 of the third basic unit 80 is connected with the two outer extensions 20 respectively. The glass lighting roof 832 is arranged on the side of the solid web beam 831 away from the steel structure column 12 and connected with the steel truss 13.

[0043] In some embodiments, the solid web beam 831 is a steel structure solid web beam; and the glass lighting roof 832 is a colored glaze laminated Low-E double-layer hollow glass roof.

[0044] In the whole unit roof system, the third basic unit 80 is a lighting unit of the station building, which is applied to the central axis space of the station building to meet the requirements of indoor lighting and heat insulation, exert the modular advantage of the unit roof and realize heat preservation, heat insulation and lighting.

[0045] According to the above embodiments, the unit roof system provided by the building structure decoration integration can expose a large number of structural components as building expression elements, realize the de-ornamentation and weak ornamentation through the building structure integration design, and improve the building space effect; the efficient structure system can save building materials, reduce construction difficulty, realize better economy, and reduce building energy consumption and carbon emissions. The unit assembly design of the roof can improve the roof construction progress, reduce the construction time, and reduce the emission of powder layer and pm2.5; the industrial chain can improve the overall design and construction quality and efficiency. The concept of environmental unit is introduced, the daylighting, indoor lighting and structural beam are combined, and the rainwater system can be integrated with the column combined with the station building outer wall unit. The modular advantages of the unit roof are used, the heat preservation, shading, natural ventilation, photovoltaic renewable energy and building integration are combined, the comprehensive performance of the roof is improved, the internal space comfort is improved, the building energy consumption and carbon emissions are reduced, the overall quality of the building is improved, and the green low-carbon emission reduction technology is applied to the unit roof. The building structure integration expression can be realized, the building effect diversity and permeability can be adapted, the manufacturing and installation technology of each component is safe and reliable, and the adaptability is strong. According to the actual design requirements, any number and type of three basic units can be freely combined to form the unit roof system of the building structure decoration integration.

[0046] It should be noted that each of the above embodiments is described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same / similar parts between each embodiment can be referred to each other. The terms "include" and "have" and their variants in the utility model document are intended to cover non-exclusive inclusion. The terms "first", "second" and the like are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence, unless the context clearly indicates otherwise. It should be understood that the data used in this way can be interchanged under appropriate circumstances. In addition, the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict. In addition, in the following description, the description of known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0047] The above is only a specific embodiment of the utility model, and it should be noted that for ordinary skilled persons in the art, without departing from the principle of the utility model, a number of improvements and refinements can be made, which should be regarded as the protection scope of the utility model.

Claims

1. A basic unit body applied to a unit roof system for the integration of architectural structure decoration; characterized in that, The basic unit body comprises: two supporting columns, each of which comprises a column pier of a lower section, a prefabricated steel structure column of a middle section, and a steel truss of an upper section, and the two supporting columns are connected by the steel truss; two spreading parts, each of which is arranged on the two supporting columns, and the spreading part is located at the connection between the steel structure column and the steel truss; a decorative ceiling connected with the two spreading parts and the steel truss.

2. The unit body according to claim 1, wherein The column span between the steel structure columns of the two supporting columns is 40-50 meters; the connection of the steel truss between the two supporting columns forms a corner steel beam structure, and the steel structure column and the corner steel beam structure are exposed.

3. The unit cell of claim 1, wherein, The column pier adopts a cast-in-place concrete column pier with a support pre-embedded part; The steel structure column comprises a prefabricated steel column body and a spherical hinge support, the bottom of the steel column body is welded to the top of the spherical hinge support, and the bottom of the spherical hinge support is welded to the support pre-embedded part in the column pier; The steel truss is welded to the top of the steel column body or integrally formed.

4. The unit cell of claim 1, wherein, The basic unit body comprises a first basic unit, the first basic unit comprises the two supporting columns, the two spreading parts, and the decorative ceiling, and the decorative ceiling of the first basic unit comprises: perforated plate ceilings connected with the two spreading parts, respectively; standing seam metal roof panels arranged on the side of the perforated plate ceiling away from the steel structure column and connected with the steel truss; photovoltaic panels arranged on the side of the standing seam metal roof panel away from the perforated plate ceiling.

5. The unit cell of claim 1, wherein, The basic unit body comprises a second basic unit, the second basic unit comprises the two supporting columns, the two spreading parts, and the decorative ceiling, and the decorative ceiling of the second basic unit comprises: perforated plate ceilings connected with the two spreading parts, respectively; standing seam metal roof panels arranged on the side of the perforated plate ceiling away from the steel structure column and connected with the steel truss; crescent-shaped skylights opened in the local area of the standing seam metal roof panel, and the side of the crescent-shaped skylight facing the steel structure column is provided with double-layer ETFE film; photovoltaic panels arranged on the side of the standing seam metal roof panel away from the perforated plate ceiling.

6. The unit body according to claim 4 or 5, characterized in that The perforated plate ceiling adopts an aluminum alloy perforated plate ceiling, the standing seam metal roof panel adopts an aluminum-magnesium-manganese metal standing seam roof panel, and the photovoltaic panel adopts a single-crystal silicon photovoltaic panel or a BIPV thin-film photovoltaic panel.

7. The unit cell of claim 1, wherein, The basic unit body comprises a third basic unit, the third basic unit comprises the two supporting columns, the two spreading parts, and the decorative ceiling, and the decorative ceiling of the third basic unit comprises: solid-web beams connected with the two spreading parts, respectively; glass daylighting roofs arranged on the side of the solid-web beam away from the steel structure column and connected with the steel truss.

8. The unit cell according to claim 7, wherein, The solid-web beam adopts a steel structure solid-web beam, and the glass daylighting roof adopts a colored glaze laminated Low-E double-layer hollow glass roof.

9. A unitized roof system for architectural structure integration, characterized by, At least one of the first basic unit as claimed in claim 4, the second basic unit as claimed in claim 6, and the third basic unit as claimed in claim 7.

10. The integrated architectural finish unit roof system of claim 9, wherein, The first basic unit, two second basic units and a third basic unit are included. The first basic unit is arranged opposite to the third basic unit, and two second basic units are arranged opposite to each other. The first basic unit is adjacent to two second basic units respectively, and the third basic unit is adjacent to two second basic units respectively. The first basic unit, two second basic units and the third basic unit share a steel structure column located in the middle. The third basic unit is located in the central axis space of the station building.

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