CN115233898A - BIPV and green building installation method - Google Patents
BIPV and green building installation method Download PDFInfo
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- CN115233898A CN115233898A CN202211061029.1A CN202211061029A CN115233898A CN 115233898 A CN115233898 A CN 115233898A CN 202211061029 A CN202211061029 A CN 202211061029A CN 115233898 A CN115233898 A CN 115233898A
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- 238000013084 building-integrated photovoltaic technology Methods 0.000 title claims abstract description 124
- 238000009434 installation Methods 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 55
- 238000007789 sealing Methods 0.000 claims abstract description 39
- 238000009413 insulation Methods 0.000 claims abstract description 25
- 230000007797 corrosion Effects 0.000 claims abstract description 19
- 238000005260 corrosion Methods 0.000 claims abstract description 19
- 239000004088 foaming agent Substances 0.000 claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 claims abstract description 10
- 238000003825 pressing Methods 0.000 claims description 12
- 239000012528 membrane Substances 0.000 claims description 10
- 238000003860 storage Methods 0.000 claims description 8
- 238000005187 foaming Methods 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims description 4
- 238000009435 building construction Methods 0.000 abstract description 8
- 230000007547 defect Effects 0.000 abstract description 3
- 238000004080 punching Methods 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000011418 maintenance treatment Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
- E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
- E04C2/288—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and concrete, stone or stone-like material
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/44—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose
- E04C2/52—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose with special adaptations for auxiliary purposes, e.g. serving for locating conduits
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/44—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose
- E04C2/52—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose with special adaptations for auxiliary purposes, e.g. serving for locating conduits
- E04C2/521—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose with special adaptations for auxiliary purposes, e.g. serving for locating conduits serving for locating conduits; for ventilating, heating or cooling
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/44—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose
- E04C2/52—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose with special adaptations for auxiliary purposes, e.g. serving for locating conduits
- E04C2/521—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose with special adaptations for auxiliary purposes, e.g. serving for locating conduits serving for locating conduits; for ventilating, heating or cooling
- E04C2/525—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose with special adaptations for auxiliary purposes, e.g. serving for locating conduits serving for locating conduits; for ventilating, heating or cooling for heating or cooling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
- F24S25/60—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules
- F24S25/61—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules for fixing to the ground or to building structures
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S30/00—Structural details of PV modules other than those related to light conversion
- H02S30/20—Collapsible or foldable PV modules
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
- H02S40/34—Electrical components comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes
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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
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/10—Photovoltaic [PV]
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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
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/20—Solar thermal
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The invention discloses a BIPV and green building installation method, which comprises the steps of forming a green building prefabricated plate, paving a waterproof film and a heat insulation film and installing a heat exchange water pipe, installing and embedding a BIPV photovoltaic plate, filling a foaming agent and embedding a corrosion-resistant sealing rubber strip, and splicing and forming a green building BIPV prefabricated member; according to the invention, the BIPV photovoltaic panels are embedded into the prefabricated panels in advance by adopting a prefabricated panel manufacturing method and are spliced during building construction, so that the installation and use range of the BIPV photovoltaic panels is greatly increased, the installation and use limitations of the traditional BIPV are effectively solved, the defects that the roof or the side wall is seeped and easily falls off due to the traditional installation method are avoided, the later-stage punching and installation are not needed, the building construction efficiency is greatly increased, and the building construction method is worthy of popularization.
Description
Technical Field
The invention relates to the technical field of new energy buildings, in particular to a BIPV and green building installation method.
Background
BIPV, building-integrated photovoltaics, is a technology for integrating solar power (photovoltaic) products into buildings. The integration of photovoltaic building is different from the form of attaching a photovoltaic system to a building, and the integration of photovoltaic building can be divided into two categories, one is the combination of a photovoltaic square matrix and the building, and the other is the integration of the photovoltaic square matrix and the building, such as a photovoltaic tile roof, a photovoltaic curtain wall, a photovoltaic daylighting roof and the like
The BIPV installation is only suitable for integrated installation of steel structure factory buildings at present or is installed on roofs or side walls of residential buildings through specific metal keel frames, the application range of integrated installation is small, meanwhile, expansion bolts are required to be arranged on the roofs or installation points for installing the support keels, the phenomenon of water seepage of the roofs of the residential buildings can be caused, the support installation firmness is low, falling down of the residential buildings easily occurs in severe weather due to strong wind, and great potential safety hazards exist.
Disclosure of Invention
Aiming at the problems, the invention aims to provide a BIPV and green building installation method, which adopts a prefabricated plate manufacturing method to embed a BIPV photovoltaic plate into a prefabricated plate in advance and splices the prefabricated plate during building construction, so that the installation and use range of the BIPV photovoltaic plate is greatly increased, the limitation of the traditional BIPV installation and use is effectively solved, the defects that a roof or a side wall is seeped and easily falls off due to the traditional installation method are overcome, later-stage punching and installation are not needed, the building construction efficiency is greatly increased, and the method is worthy of popularization.
In order to realize the purpose of the invention, the invention is realized by the following technical scheme: a BIPV and green building installation method comprises the following steps:
firstly, producing concrete precast slabs with corresponding sizes according to the construction requirements of green buildings, and reserving corresponding mounting grooves and threading pipes according to the sizes of BIPV photovoltaic panels during production of the concrete precast slabs to obtain the green building precast slabs;
step two, injecting thin concrete into a mounting groove reserved for the green building precast slab, then paving a waterproof film and a heat insulation film on the concrete, and finally coiling a heat exchange water pipe on the upper layer of the heat insulation film to obtain a precast slab;
step three, when the thin-layer concrete in the step two is not dry, embedding the BIPV photovoltaic panel with the corresponding size into the upper layer of the heat exchange water pipe in the mounting groove in the prefabricated standby panel, pressing a layer of heat conduction layer on the heat exchange water pipe after the BIPV photovoltaic panel is detached after the concrete is solidified, and mounting the BIPV photovoltaic panel into the mounting groove to obtain a BIPV prefabricated member;
filling foaming agents into gaps around the BIPV photovoltaic panel on the BIPV prefabricated member, reserving a foaming space, and embedding corrosion-resistant sealing rubber strips into reserved gaps between the BIPV photovoltaic panel and the green building prefabricated plate to obtain the green building BIPV prefabricated member to be spliced;
and step five, splicing the BIPV prefabricated member of the green building with other prefabricated plates of the building to form the BIPV integrated green building.
The further improvement lies in that: the size of a reserved mounting groove is slightly larger than that of a BIPV photovoltaic panel when the concrete prefabricated panel is produced in the step one, the wiring pipe of the BIPV photovoltaic panel is inserted into the reserved mounting groove, the wiring pipe penetrates through the prefabricated panel, and the length of the pipe is the same as the thickness of the prefabricated panel; and in the first step, the green building precast slab is cured after being formed.
The further improvement lies in that: and in the second step, the thickness of the thin-layer concrete is controlled to be 5-8 cm, the green building prefabricated slab is horizontally placed and leveled when the thin-layer concrete is injected, the side edge of the waterproof membrane extends out of the mounting groove and is lapped on the prefabricated slab surface outside the mounting groove, the heat insulation membrane is bonded on the outer side of the waterproof membrane and is only paved at the bottom end of the mounting groove, and through holes are dug in the positions, corresponding to the threading pipes, of the waterproof membrane and the heat insulation membrane and are sleeved on the threading pipes.
The further improvement lies in that: and reserving water inlets and water outlets at the gaps between the two sides of the mounting groove and the BIPV photovoltaic panel when the heat exchange water pipes are laid in the second step, then coiling the heat exchange water pipes in the mounting groove through a fixing frame, wherein the size of the frame edge outside the fixing frame is the same as that of the mounting groove, and detecting water leakage of the pipe body after the heat exchange water pipes are laid.
The further improvement lies in that: and C, before the BIPV photovoltaic panel is installed in the third step, the height of the threading pipe is cut to be flush with the heat insulation film, the sealing ring with the inner diameter smaller than the diameter of the threading pipe is adhesively installed at the upper end part and the lower end part of the threading pipe, and the outer edge diameter of the sealing ring is larger than the diameter of the threading pipe and is tightly attached to the lower surface of the prefabricated plate and the heat insulation film respectively.
The further improvement lies in that: when the BIPV photovoltaic panel is installed, a connecting wire penetrates through the sealing ring and the threading pipe, the BIPV photovoltaic panel is embedded into the installation groove and is adjusted to be flush with the upper surface of the BIPV photovoltaic panel and the upper surface of the prefabricated panel through the cushion layer, meanwhile, the back of the photovoltaic panel is attached to the outer surface of the heat conduction layer, the installation back is moved to the outdoor irradiation sunlight to detect the line state of the BIPV photovoltaic panel, and the line is filled with a foaming agent between the sealing rings of the threading pipe after being normal and is sealed.
The further improvement lies in that: and C, when the corrosion-resistant sealing rubber strip is embedded in the step four, the corrosion-resistant sealing rubber strip is quickly embedded when the foaming agent is not foamed, the corrosion-resistant sealing rubber strip is tightly pressed by using the auxiliary pressing strip, and the auxiliary pressing strip is taken down after the foaming agent is foamed.
The further improvement lies in that: in the fifth step, multiple groups of green building BIPV prefabricated members are used according to the building, and the photovoltaic panel connecting wires of the multiple groups of green building BIPV prefabricated members are connected and output to the indoor power storage device and the electric equipment in a parallel connection mode by using wire pipes inside the prefabricated members after splicing and forming; the heat exchange water pipes are also used for connecting pipelines on a plurality of groups of green building BIPV prefabricated parts to indoor water storage equipment in the same way and collecting generated hot water.
The beneficial effects of the invention are as follows: according to the invention, the BIPV photovoltaic panel is embedded into the prefabricated panel in advance by adopting a prefabricated panel manufacturing method and is spliced during building construction, so that the installation and use range of the BIPV photovoltaic panel is greatly increased, the limitation of the traditional BIPV installation and use is effectively solved, the defects that a roof or a side wall is seeped and easily falls off due to the traditional installation method are avoided, the post-punching installation is not needed, the building construction efficiency is greatly increased, meanwhile, the photovoltaic heat energy is effectively utilized through the arrangement of the heat exchange water pipe, the energy conversion efficiency is higher, and the building construction method is worthy of popularization.
Drawings
FIG. 1 is a flow chart of production and installation in example 1 of the present invention.
FIG. 2 is a cross-sectional view of a prefabricated panel according to an embodiment of the present invention.
FIG. 3 is a flow chart of production and installation in example 2 of the present invention.
Detailed Description
In order to further understand the present invention, the following detailed description will be made with reference to the following examples, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
Example 1
Referring to fig. 1 and 2, the present embodiment provides a BIPV and green building installation method, including the following steps:
firstly, producing concrete precast slabs with corresponding sizes according to the construction requirements of green buildings, reserving corresponding mounting grooves and threading pipes according to the sizes of BIPV photovoltaic panels during production of the concrete precast slabs, and performing maintenance treatment after the green building precast slabs are molded to obtain the green building precast slabs;
the size of the mounting groove is slightly larger than that of the BIPV photovoltaic panel, the vertical and horizontal distances between the mounting groove and the BIPV photovoltaic panel are controlled to be 4-6 cm, the mounting groove is reserved, meanwhile, the threading pipe of the BIPV photovoltaic panel is also inserted into the mounting groove for reservation, the length of the threading pipe is larger than the thickness of the prefabricated panel during reservation, and the length of the threading pipe is cut to be equal to the thickness of the prefabricated panel and the bottom surface of the prefabricated panel is flush with the bottom surface of the prefabricated panel after forming.
Step two, injecting thin concrete into a mounting groove reserved for the green building precast slab, controlling the thickness to be 5-8 cm, horizontally placing and leveling the green building precast slab when injecting the thin concrete, then paving a waterproof film and a heat insulation film on the concrete, and finally coiling the heat exchange water pipe on the upper layer of the heat insulation film to obtain a precast slab;
the side edge of the waterproof film extends out of the mounting groove and is lapped on a prefabricated plate surface outside the mounting groove, the heat insulation film is bonded on the outer side of the waterproof film and only laid at the bottom end of the mounting groove, no extending side edge is left on the side surface, through holes are dug in the positions, corresponding to the threading pipes, of the waterproof film and the heat insulation film and are sleeved on the threading pipes, the film is cut to be in a proper size before the through holes are dug, then the positions, corresponding to the mounting groove, of the threading pipes are marked on the film, then through holes with the same diameter as the threading pipes are dug in the corresponding positions, and finally the film is placed in the mounting groove;
when laying the heat exchange water pipe, firstly embedding the fixing frame into the mounting groove, wherein the size of the outer frame edge of the fixing frame is the same as that of the mounting groove, then reserving the water inlet and the water outlet at the gap between the two sides of the mounting groove and the BIPV plate, then coiling the heat exchange water pipe in the fixing frame in the mounting groove, and after laying the heat exchange water pipe, leading water to perform water leakage detection on the pipe body.
Step three, when the thin concrete in the step two is not dried, cutting the height of the threading pipe to be flush with the heat insulation film, then gluing and installing sealing rings with the inner diameters smaller than the diameter of the threading pipe at the upper end and the lower end of the threading pipe, wherein the outer edge diameter of each sealing ring is larger than the diameter of the threading pipe and is tightly attached to the lower surface of the prefabricated plate and the heat insulation film respectively, then embedding the BIPV plate with the corresponding size into the upper layer of the heat exchange water pipe in the installation groove in the prefabricated plate, pressing a layer of heat conduction layer on the heat exchange water pipe after the BIPV plate is detached after the concrete is solidified, and then installing the BIPV plate into the installation groove to obtain a BIPV prefabricated part, wherein the heat conduction layer plays a role in protecting the heat exchange water pipe and ensures the heat conduction of the photovoltaic plate by sunlight;
when the BIPV photovoltaic panel is installed, a connecting wire penetrates through the sealing ring and the threading pipe, the BIPV photovoltaic panel is embedded into the installation groove and is adjusted to be flush with the upper surface of the BIPV photovoltaic panel and the upper surface of the prefabricated panel through the cushion layer, meanwhile, the back of the photovoltaic panel is attached to the outer surface of the heat conduction layer, after the installation, the photovoltaic panel is moved to the outdoor to irradiate sunlight to detect the line state of the BIPV photovoltaic panel, and after the line is normal, a foaming agent is filled between the sealing rings of the threading pipe for sealing.
Filling foaming agents into gaps around the BIPV photovoltaic panel on the BIPV prefabricated member, reserving a foaming space, and embedding corrosion-resistant sealing rubber strips into reserved gaps between the BIPV photovoltaic panel and the green building prefabricated plate to obtain the green building BIPV prefabricated member to be spliced;
when the corrosion-resistant sealing rubber strip is embedded, the foaming agent is quickly embedded when not foamed, the corrosion-resistant sealing rubber strip is tightly pressed by using the auxiliary pressing strip, the auxiliary pressing strip is taken down after foaming of the foaming agent is completed, and a layer of adhesive is coated on the lower surface of the rubber strip before the corrosion-resistant sealing rubber strip is embedded, so that the corrosion-resistant sealing rubber strip is bonded and attached to the upper side edge of the prefabricated plate mounting groove and the side edge of the BIPV photovoltaic plate.
Splicing the BIPV prefabricated member of the green building with other prefabricated plates of the building to form a BIPV integrated green building;
after the building is spliced and molded, connecting and outputting photovoltaic panel connecting wires of a plurality of groups of green building BIPV prefabricated members to an indoor electric storage device and electric equipment in a parallel connection mode by using a plurality of groups of green building BIPV prefabricated members internally through wire pipes according to the building; the heat exchange water pipes are also used for connecting pipelines on a plurality of groups of green building BIPV prefabricated parts to indoor water storage equipment in the same way and collecting generated hot water.
Example 2
Referring to fig. 2 and 3, the present embodiment provides a BIPV and green building installation method, including the following steps:
firstly, manufacturing steel ribs of a concrete prefabricated part for installing the BIPV photovoltaic panel according to a set size, splicing the steel ribs to form a reinforcement cage, putting the reinforcement cage into a mold, putting the reinforcement cage into a reserved mold according to an appointed installation position of the BIPV photovoltaic panel, finally injecting concrete for waiting for forming, and performing conventional maintenance treatment after forming;
before concrete is injected, a reserved drain pipe is selectively placed according to the installation position of the prefabricated member, and when the prefabricated member is a slope roof of a residential building, the drain pipe is placed in the reserved mold of the installation groove of the BIPV photovoltaic panel and is parallel to the bottom surface of the groove to extend out of the mold or be tightly attached to the side surface of the mold; when the prefabricated member is a residential flat top, a drain pipe is obliquely arranged in the reserved mold of the BIPV photovoltaic panel mounting groove and the bottom surface of the groove to extend out of the mold or be tightly attached to the side surface of the mold; when the prefab is resident's house side wall, place the drain pipe with recess bottom face tilt up and extend outside the mould or closely laminate with the mould side in BIPV photovoltaic board mounting groove reservation mould.
Secondly, producing concrete precast slabs with corresponding sizes according to the construction requirements of the green building, and reserving corresponding mounting grooves and threading pipes according to the sizes of the BIPV photovoltaic panels during production of the concrete precast slabs to obtain the green building precast slabs;
the size of the installation groove is slightly larger than that of the BIPV photovoltaic panel, the vertical and horizontal distances between the installation groove and the BIPV photovoltaic panel are controlled to be 4-6 cm, the installation groove is reserved, meanwhile, the threading pipe of the BIPV photovoltaic panel is also inserted into the reservation, the length of the threading pipe is larger than the thickness of the prefabricated panel during reservation, and the threading pipe is cut to be as long as the thickness of the prefabricated panel and the bottom surface of the prefabricated panel is flush with the bottom surface of the prefabricated panel after forming.
Step three, injecting thin concrete into a mounting groove reserved for the green building precast slab, controlling the thickness to be 5-8 cm, horizontally placing and leveling the green building precast slab when injecting the thin concrete, then paving a waterproof film and a heat insulation film on the concrete, and finally coiling the heat exchange water pipe on the upper layer of the heat insulation film to obtain a precast slab;
the side edge of the waterproof film extends out of the mounting groove and is lapped on a prefabricated plate surface outside the mounting groove, the heat insulation film is bonded on the outer side of the waterproof film and only laid at the bottom end of the mounting groove, no extending side edge is left on the side surface, through holes are dug in the positions, corresponding to the threading pipes, of the waterproof film and the heat insulation film and are sleeved on the threading pipes, the film is cut to be in a proper size before the through holes are dug, then the positions, corresponding to the mounting groove, of the threading pipes are marked on the film, then through holes with the same diameter as the threading pipes are dug in the corresponding positions, and finally the film is placed in the mounting groove;
when laying the heat exchange water pipe, firstly embedding the fixing frame into the mounting groove, wherein the size of the outer frame edge of the fixing frame is the same as that of the mounting groove, then reserving the water inlet and the water outlet at the gap between the two sides of the mounting groove and the BIPV plate, then coiling the heat exchange water pipe in the fixing frame in the mounting groove, and after laying the heat exchange water pipe, leading water to perform water leakage detection on the pipe body.
Step four, when the thin concrete in the step three is not dried, cutting the height of the threading pipe to be flush with the heat insulation film, then gluing and installing sealing rings with the inner diameters smaller than the diameter of the threading pipe at the upper end part and the lower end part of the threading pipe, wherein the outer edge diameter of each sealing ring is larger than the diameter of the threading pipe and is tightly attached to the lower surface of the prefabricated plate and the heat insulation film respectively, then embedding the BIPV plate with the corresponding size into the upper layer of the heat exchange water pipe in the installation groove in the prefabricated plate, pressing a layer of heat conduction layer on the heat exchange water pipe after the BIPV plate is detached after the concrete is solidified, and then installing the BIPV plate into the installation groove to obtain a BIPV prefabricated part, wherein the heat conduction layer plays a role in protecting the heat exchange water pipe and ensures the heat conduction of the photovoltaic plate by sunlight;
when the BIPV photovoltaic panel is installed, a connecting wire penetrates through the sealing ring and the threading pipe, the BIPV photovoltaic panel is embedded into the installation groove and is adjusted to be flush with the upper surface of the BIPV photovoltaic panel and the upper surface of the prefabricated panel through the cushion layer, meanwhile, the back of the photovoltaic panel is attached to the outer surface of the heat conduction layer, after the installation, the photovoltaic panel is moved to the outdoor to irradiate sunlight to detect the line state of the BIPV photovoltaic panel, and after the line is normal, a foaming agent is filled between the sealing rings of the threading pipe for sealing.
Filling foaming agents into gaps around the BIPV photovoltaic panel on the BIPV prefabricated member, reserving a foaming space, and embedding a corrosion-resistant sealing rubber strip into the reserved gap between the BIPV photovoltaic panel and the green building prefabricated plate to obtain the green building BIPV prefabricated member to be spliced;
when the corrosion-resistant sealing rubber strip is embedded, the corrosion-resistant sealing rubber strip is quickly embedded when the foaming agent is not foamed, the corrosion-resistant sealing rubber strip is pressed tightly by using the auxiliary pressing strip, the auxiliary pressing strip is taken down after foaming of the foaming agent is finished, and a layer of adhesive is coated on the lower surface of the rubber strip before the corrosion-resistant sealing rubber strip is embedded, so that the adhesive is bonded and attached to the upper side edge of the prefabricated plate mounting groove and the side edge of the BIPV photovoltaic plate.
Step six, splicing the BIPV prefabricated member of the green building with other prefabricated plates of the building to form a BIPV integrated green building;
after the building is spliced and molded, connecting and outputting photovoltaic panel connecting wires of a plurality of groups of green building BIPV prefabricated members to an indoor power storage device and electric equipment in a parallel connection mode by using a plurality of groups of green building BIPV prefabricated members internally through wire pipes according to the building; the heat exchange water pipes are also used for connecting pipelines on a plurality of groups of green building BIPV prefabricated parts to indoor water storage equipment in the same way and collecting generated hot water.
Four groups of photovoltaic panels are extracted and placed under the same illumination condition to measure the conversion efficiency, and the data are shown in the following table
Photovoltaic panel conversion efficiency data table
Wherein T is 0 For correcting temperature, G is the irradiance test value, V max For maximum operating voltage test values, I max For maximum operating current test value, P max Is a maximum working power value, η C Is the measured photovoltaic module efficiency value.
The foregoing shows and describes the general principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A BIPV and green building installation method is characterized by comprising the following steps:
firstly, producing concrete precast slabs with corresponding sizes according to the construction requirements of green buildings, and reserving corresponding mounting grooves and threading pipes according to the sizes of BIPV photovoltaic panels during production of the concrete precast slabs to obtain the green building precast slabs;
step two, injecting thin concrete into a mounting groove reserved for the green building precast slab, then paving a waterproof film and a heat insulation film on the concrete, and finally coiling the heat exchange water pipe on the upper layer of the heat insulation film to obtain a precast slab;
step three, when the thin concrete is not dried in the step two, embedding the BIPV photovoltaic panel with the corresponding size into the upper layer of the heat exchange water pipe in the mounting groove in the prefabricated panel, pressing a layer of heat conduction layer on the heat exchange water pipe after the BIPV photovoltaic panel is detached after the concrete is solidified, and mounting the BIPV photovoltaic panel into the mounting groove to obtain a BIPV prefabricated member;
filling foaming agents into gaps around the BIPV photovoltaic panel on the BIPV prefabricated member, reserving a foaming space, and embedding corrosion-resistant sealing rubber strips into reserved gaps between the BIPV photovoltaic panel and the green building prefabricated plate to obtain the green building BIPV prefabricated member to be spliced;
and step five, splicing the BIPV prefabricated member of the green building with other prefabricated plates of the building to form the BIPV integrated green building.
2. The BIPV and green building installation method of claim 1, wherein: the size of a reserved mounting groove is slightly larger than that of a BIPV photovoltaic panel when the concrete prefabricated panel is produced in the step one, the wiring pipe of the BIPV photovoltaic panel is inserted into the reserved mounting groove, the wiring pipe penetrates through the prefabricated panel, and the length of the pipe is the same as the thickness of the prefabricated panel; and in the first step, the green building precast slab is cured after being formed.
3. The BIPV and green building installation method of claim 1, wherein: and in the second step, the thickness of the thin-layer concrete is controlled to be 5-8 cm, the green building prefabricated slab is horizontally placed and leveled when the thin-layer concrete is injected, the side edge of the waterproof membrane extends out of the mounting groove and is lapped on the prefabricated slab surface outside the mounting groove, the heat insulation membrane is bonded on the outer side of the waterproof membrane and is only paved at the bottom end of the mounting groove, and through holes are dug in the positions, corresponding to the threading pipes, of the waterproof membrane and the heat insulation membrane and are sleeved on the threading pipes.
4. The BIPV and greenbuilding installation method of claim 1, wherein: and reserving water inlets and water outlets at the gaps between the two sides of the mounting groove and the BIPV photovoltaic panel when the heat exchange water pipes are laid in the second step, then coiling the heat exchange water pipes in the mounting groove through a fixing frame, wherein the size of the frame edge outside the fixing frame is the same as that of the mounting groove, and detecting water leakage of the pipe body after the heat exchange water pipes are laid.
5. The BIPV and green building installation method of claim 1, wherein: and before the BIPV photovoltaic panel is installed in the third step, the threading pipe is cut to be flush with the heat insulation film, the upper end part and the lower end part of the threading pipe are glued with sealing rings, the inner diameters of the sealing rings are smaller than the diameter of the threading pipe, the outer edge diameters of the sealing rings are larger than the diameter of the threading pipe, and the sealing rings are tightly attached to the lower surface of the prefabricated plate and the heat insulation film respectively.
6. The BIPV and green building installation method of claim 5, wherein: when the BIPV photovoltaic panel is installed, a connecting wire penetrates through the sealing ring and the threading pipe, the BIPV photovoltaic panel is embedded into the installation groove and is adjusted to be flush with the upper surface of the BIPV photovoltaic panel and the upper surface of the prefabricated panel through the cushion layer, meanwhile, the back of the photovoltaic panel is attached to the outer surface of the heat conduction layer, the installation back is moved to the outdoor irradiation sunlight to detect the line state of the BIPV photovoltaic panel, and the line is filled with a foaming agent between the sealing rings of the threading pipe after being normal and is sealed.
7. The BIPV and green building installation method of claim 1, wherein: and C, when the corrosion-resistant sealing rubber strip is embedded in the step four, the corrosion-resistant sealing rubber strip is quickly embedded when the foaming agent is not foamed, the corrosion-resistant sealing rubber strip is tightly pressed by using the auxiliary pressing strip, and the auxiliary pressing strip is taken down after the foaming agent is foamed.
8. The BIPV and greenbuilding installation method of claim 1, wherein: in the fifth step, multiple groups of green building BIPV prefabricated members are used according to the building, and the photovoltaic panel connecting wires of the multiple groups of green building BIPV prefabricated members are connected and output to the indoor power storage device and the electric equipment in a parallel connection mode by using wire pipes inside the prefabricated members after splicing and forming; the heat exchange water pipes are also used for connecting pipelines on a plurality of groups of green building BIPV prefabricated parts to indoor water storage equipment in the same way and collecting generated hot water.
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