CN112609917B - Vertical face installation mode based on photovoltaic wall brick - Google Patents
Vertical face installation mode based on photovoltaic wall brick Download PDFInfo
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- CN112609917B CN112609917B CN202011499548.7A CN202011499548A CN112609917B CN 112609917 B CN112609917 B CN 112609917B CN 202011499548 A CN202011499548 A CN 202011499548A CN 112609917 B CN112609917 B CN 112609917B
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- 239000011449 brick Substances 0.000 title claims abstract description 181
- 238000009434 installation Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 9
- 239000011521 glass Substances 0.000 claims description 24
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 claims description 17
- 239000003292 glue Substances 0.000 claims description 10
- 239000005341 toughened glass Substances 0.000 claims description 10
- 229910000838 Al alloy Inorganic materials 0.000 claims description 8
- 239000002313 adhesive film Substances 0.000 claims description 6
- 239000000565 sealant Substances 0.000 claims description 5
- 239000013078 crystal Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 4
- 239000010408 film Substances 0.000 description 4
- 239000012634 fragment Substances 0.000 description 4
- 230000009977 dual effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910021419 crystalline silicon Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
- E04F13/072—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of specially adapted, structured or shaped covering or lining elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
- E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
- E04F13/0801—Separate fastening elements
- E04F13/0832—Separate fastening elements without load-supporting elongated furring elements between wall and covering elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
- E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
- E04F13/0866—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements composed of several layers, e.g. sandwich panels or layered panels
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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
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/048—Encapsulation of modules
- H01L31/0488—Double glass encapsulation, e.g. photovoltaic cells arranged between front and rear glass sheets
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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
- H02S20/00—Supporting structures for PV modules
- H02S20/20—Supporting structures directly fixed to an immovable object
- H02S20/22—Supporting structures directly fixed to an immovable object specially adapted for buildings
- H02S20/26—Building materials integrated with PV modules, e.g. façade elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F2290/00—Specially adapted covering, lining or flooring elements not otherwise provided for
-
- 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]
-
- 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
-
- 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
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/47—Mountings or tracking
-
- 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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- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
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- Sustainable Energy (AREA)
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- Chemical & Material Sciences (AREA)
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- Finishing Walls (AREA)
Abstract
The invention discloses a vertical face installation method based on photovoltaic wall bricks, which comprises the following steps of dividing a target wall surface into four regions based on the target wall surface, paving a fixed base layer based on the photovoltaic wall bricks, constructing a three-phase input unit, connecting the three-phase input unit with a three-phase alternating current grid-connected distribution box to form a photovoltaic wall brick vertical face unit of the target wall surface, and realizing vertical face installation of the photovoltaic wall bricks.
Description
Technical Field
The invention belongs to the field of photovoltaic power generation, and particularly relates to a vertical face installation mode based on photovoltaic wall tiles.
Background
In a photovoltaic module (solar module), since the output voltage of a single solar cell is low and an electrode of an unpackaged cell is easy to fall off due to the influence of the environment, a certain number of single cells must be sealed in a series-parallel connection manner to form the photovoltaic module, so as to prevent the cell electrode and an interconnection line from being corroded.
The photovoltaic module is divided into a crystalline silicon solar cell module and a thin film solar cell module according to the materials of the solar cell.
The traditional photovoltaic module is a module with a regular structure such as a rectangle and a square, and along with increasing market demands, according to actual needs, many application scenes need the photovoltaic module with a special structure, such as a park and some photovoltaic artistic models, and the photovoltaic module with the special structure needs to be composed of battery pieces, so that how to manufacture the photovoltaic module with the special structure under the condition that the performance of the photovoltaic module is not influenced is a problem which needs to be solved urgently.
Disclosure of Invention
In order to solve the problems, the invention provides a vertical face installation mode based on photovoltaic wall tiles, which comprises the following steps:
s1, dividing a target wall surface into four areas, namely a first target wall surface area, a second target wall surface area, a third target wall surface area and a fourth target wall surface area, based on the target wall surface;
s2, paving a fixed foundation layer on the basis of photovoltaic wall bricks in the first target wall surface area, the second target wall surface area, the third target wall surface area and the fourth target wall surface area, and paving a first photovoltaic unit, a second photovoltaic unit, a third photovoltaic unit and a fourth photovoltaic unit on the basis of the first target wall surface area, the second target wall surface area, the third target wall surface area and the fourth target wall surface area;
s3, constructing a three-phase input unit based on the first photovoltaic unit, the second photovoltaic unit, the third photovoltaic unit and the fourth photovoltaic unit, wherein the three-phase input unit comprises the first input unit, the second input unit and the third input unit, the first input unit comprises the first photovoltaic unit and the third photovoltaic unit, the second input unit comprises the second photovoltaic unit, and the third input unit comprises the third photovoltaic unit and the fourth photovoltaic unit;
and S4, connecting the three-phase input unit with a three-phase alternating current grid-connected distribution box to form a photovoltaic wall brick facade unit of the target wall surface, so that facade installation of the photovoltaic wall brick is realized.
Preferably, the photovoltaic wall brick is a double-glass photovoltaic assembly and comprises a glass front end which is made of ultra-white toughened glass,
a back plate of tempered glass, and
the battery string consists of a plurality of single crystal battery pieces and is packaged between the front end of the glass and the back plate through a sealant;
the sealing glue is PVB glue and comprises a first PVB glue film and a second PVB glue film;
the front end of the glass is connected with the battery string through the first PVB adhesive film;
the battery string is connected with the back plate through the second PVB adhesive film.
Preferably, the size of the glass front end is smaller than that of the back plate;
the backboard and the upper end of the overlapped part of the front end of the glass are provided with fixing holes, the fixing holes comprise first fixing holes and second fixing holes, and the first fixing holes and the second fixing holes are used for fixing the photovoltaic wall bricks.
Preferably, the fixed base layer comprises a plurality of fixed brackets and a plurality of fixed supporting pieces,
laying the fixed foundation layer, comprising the steps of:
s2.1, arranging the fixing bracket at the edge of the target wall surface, and installing a foundation fixing piece at the horizontal position of the fixing bracket based on the length of the photovoltaic wall brick;
s2.2, a gasket, a nut and an aluminum alloy supporting piece are installed on the base fixing piece, and the aluminum alloy supporting piece is connected with the base fixing piece through the gasket and the nut to form the fixed supporting piece.
Preferably, the first photovoltaic unit comprises a first photovoltaic wall brick, a second photovoltaic wall brick, a third photovoltaic wall brick, a fourth photovoltaic wall brick, a fifth photovoltaic wall brick, a sixth photovoltaic wall brick, a seventh photovoltaic wall brick, an eighth photovoltaic wall brick, a first micro-inverter and a second micro-inverter;
the second photovoltaic unit comprises a ninth photovoltaic wall brick, a tenth photovoltaic wall brick, an eleventh photovoltaic wall brick, a twelfth photovoltaic wall brick, a thirteenth photovoltaic wall brick, a fourteenth photovoltaic wall brick, a fifteenth photovoltaic wall brick, a sixteenth photovoltaic wall brick, a third micro inverter and a fourth micro inverter;
the third photovoltaic unit comprises a seventeenth photovoltaic wall brick, an eighteenth photovoltaic wall brick and a fifth micro inverter;
the fourth photovoltaic unit comprises a nineteenth photovoltaic wall brick, a twentieth photovoltaic wall brick, a twenty-first photovoltaic wall brick, a twenty-second photovoltaic wall brick, a twenty-third photovoltaic wall brick, a twenty-fourth photovoltaic wall brick, a twenty-fifth photovoltaic wall brick, a twenty-sixth photovoltaic wall brick, a sixth micro inverter and a seventh micro inverter;
the first photovoltaic wall brick and the second photovoltaic wall brick are connected with the third photovoltaic wall brick and the fourth photovoltaic wall brick through the first micro inverter to form a first inverter unit;
the fifth photovoltaic wall brick and the sixth photovoltaic wall brick are connected with the seventh photovoltaic wall brick and the eighth photovoltaic wall brick through the second micro inverter to form a second inverter unit;
the ninth photovoltaic wall brick and the tenth photovoltaic wall brick are connected with the eleventh photovoltaic wall brick and the twelfth photovoltaic wall brick through the third micro inverter to form a third inverter unit;
the thirteenth photovoltaic wall brick and the fourteenth photovoltaic wall brick are connected with the fifteenth photovoltaic wall brick and the sixteenth photovoltaic wall brick through the fourth micro inverter to form a fourth inversion unit;
the seventeenth photovoltaic wall brick and the eighteenth photovoltaic wall brick form a seventh inversion unit through the fifth micro inverter;
the nineteenth photovoltaic wall brick and the twentieth photovoltaic wall brick are connected with the twenty-first photovoltaic wall brick and the twenty-second photovoltaic wall brick through the sixth micro inverter to form a fifth inverter unit;
and the twenty-third photovoltaic wall brick and the twenty-fourth photovoltaic wall brick are connected with the twenty-fifth photovoltaic wall brick and the twenty-sixth photovoltaic wall brick through the seventh micro inverter to form a sixth inverter unit.
Preferably, the first inverter unit is connected to the second inverter unit;
the third inversion unit is connected with the fourth inversion unit;
the fifth inversion unit is connected with the seventh inversion unit through the sixth inversion unit;
preferably, the three-phase input unit further includes a micro-inverse cable, and the first photovoltaic unit, the second photovoltaic unit, the third photovoltaic unit, and the fourth photovoltaic unit construct the three-phase input unit through the micro-inverse cable.
Preferably, the three-phase AC grid-connected distribution box is a 380V/50HZ distribution box.
The positive progress effects of the invention are as follows:
the method is simple and efficient, and the aluminum alloy part on the outer vertical surface can be directly fixed on the wall vertical surface by chemical bolts without installing metal keels on the vertical surface.
The photovoltaic module is connected on miniature inverter with the series connection mode, and this condition such as different subassemblies of adaptation, different orientation, shade are sheltered from is a little contrary, even a certain block of subassembly damages, the advantage of other subassemblies still normal electricity generation.
Drawings
FIG. 1 is a schematic view of a fixed base layer according to the present invention;
FIG. 2 is a schematic view of a fixed base layer structure according to the present invention;
FIG. 3 is a schematic view of a photovoltaic module according to the present invention;
FIG. 4 is a schematic view of the installation of three photovoltaic modules according to the present invention;
FIG. 5 is a photovoltaic facade installation primary electrical layout according to the present invention;
FIG. 6 is a schematic view of a photovoltaic facade mounting structure according to the present invention;
FIG. 7 is a pictorial representation of a comparative example;
FIG. 8 is a schematic diagram of a metal keel and a photovoltaic module installed on a vertical surface of a wall in a comparative example;
FIG. 9 is a schematic view of the connection of a comparative example metal framework to a photovoltaic module;
FIG. 10 is a schematic view of a dual glass photovoltaic module according to the present application;
FIG. 11 is a side schematic view of a dual glass photovoltaic assembly according to the present application;
FIG. 12 is an enlarged view of phase A of FIG. 5 of the present application;
FIG. 13 is an enlarged view of phase B of FIG. 5 of the present application;
FIG. 14 is an enlarged view of phase C of FIG. 5 of the present application;
fig. 15 is an enlarged view of the first inverter unit and the second inverter unit in fig. 6 according to the present application;
fig. 16 is an enlarged view of the third and fourth inversion units in fig. 6 according to the present application;
fig. 17 is an enlarged view of a fifth inverter unit, a sixth inverter unit and a seventh inverter unit in fig. 6 according to the present application;
wherein 1 is a first inversion unit, 2 is a second inversion unit, 3 is a third inversion unit, 4 is a fourth inversion unit, 5 is a fifth inversion unit, 6 is a sixth inversion unit, 7 is a seventh inversion unit, 8 is a fixing hole, 9 is toughened glass, and 10 is a single crystal battery piece.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.
As shown in fig. 1 to 17, the invention provides a vertical surface installation mode based on photovoltaic wall tiles, which comprises the following steps:
s1, dividing a target wall surface into four regions based on the target wall surface, wherein the four regions are a first target wall surface region, a second target wall surface region, a third target wall surface region and a fourth target wall surface region;
s2, paving a fixed foundation layer on the basis of photovoltaic wall bricks in the first target wall surface area, the second target wall surface area, the third target wall surface area and the fourth target wall surface area, and paving a first photovoltaic unit, a second photovoltaic unit, a third photovoltaic unit and a fourth photovoltaic unit on the basis of the first target wall surface area, the second target wall surface area, the third target wall surface area and the fourth target wall surface area;
s3, constructing a three-phase input unit based on the first photovoltaic unit, the second photovoltaic unit, the third photovoltaic unit and the fourth photovoltaic unit, wherein the three-phase input unit comprises the first input unit, the second input unit and the third input unit, the first input unit comprises the first photovoltaic unit and the third photovoltaic unit, the second input unit comprises the second photovoltaic unit, and the third input unit comprises the third photovoltaic unit and the fourth photovoltaic unit;
and S4, connecting the three-phase input unit with a three-phase alternating current grid-connected distribution box to form a photovoltaic wall brick facade unit of the target wall surface, so that facade installation of the photovoltaic wall brick is realized.
The photovoltaic wall brick is a double-glass photovoltaic assembly and comprises a front glass part which is made of ultra-white toughened glass,
a back plate of tempered glass 9, and
the battery string is composed of a plurality of single crystal battery pieces 10 and is packaged between the front end of the glass and the back plate through a sealant;
the sealant is PVB (polyvinyl butyral) glue and comprises a first PVB glue film and a second PVB glue film;
the front end of the glass is connected with the battery string through the first PVB adhesive film;
the battery string is connected with the back plate through the second PVB adhesive film.
The size of the glass front end is smaller than that of the back plate;
the upper end of the overlapped part of the front end of the glass and the back plate is provided with a fixing hole 8, and the fixing hole 8 comprises a first fixing hole and a second fixing hole;
the first fixing hole and the second fixing hole are used for fixing the photovoltaic wall brick.
The fixed base layer comprises a plurality of fixed brackets and a plurality of fixed supporting pieces,
laying the fixed foundation layer, comprising the steps of:
s2.1, arranging the fixing bracket at the edge of the target wall surface, and installing a foundation fixing piece at the horizontal position of the fixing bracket based on the length of the photovoltaic wall brick;
s2.2, a gasket, a nut and an aluminum alloy supporting piece are installed on the base fixing piece, and the aluminum alloy supporting piece is connected with the base fixing piece through the gasket and the nut to form the fixed supporting piece.
The first photovoltaic unit comprises a first photovoltaic wall brick, a second photovoltaic wall brick, a third photovoltaic wall brick, a fourth photovoltaic wall brick, a fifth photovoltaic wall brick, a sixth photovoltaic wall brick, a seventh photovoltaic wall brick, an eighth photovoltaic wall brick, a first micro inverter and a second micro inverter;
the second photovoltaic unit comprises a ninth photovoltaic wall brick, a tenth photovoltaic wall brick, an eleventh photovoltaic wall brick, a twelfth photovoltaic wall brick, a thirteenth photovoltaic wall brick, a fourteenth photovoltaic wall brick, a fifteenth photovoltaic wall brick, a sixteenth photovoltaic wall brick, a third micro inverter and a fourth micro inverter;
the third photovoltaic unit comprises a seventeenth photovoltaic wall brick, an eighteenth photovoltaic wall brick and a fifth micro inverter;
the fourth photovoltaic unit comprises a nineteenth photovoltaic wall brick, a twentieth photovoltaic wall brick, a twenty-first photovoltaic wall brick, a twenty-second photovoltaic wall brick, a twenty-third photovoltaic wall brick, a twenty-fourth photovoltaic wall brick, a twenty-fifth photovoltaic wall brick, a twenty-sixth photovoltaic wall brick, a sixth micro inverter and a seventh micro inverter;
the first photovoltaic wall brick and the second photovoltaic wall brick are connected with the third photovoltaic wall brick and the fourth photovoltaic wall brick through the first micro inverter to form a first inverter unit 1;
the fifth photovoltaic wall brick and the sixth photovoltaic wall brick are connected with the seventh photovoltaic wall brick and the eighth photovoltaic wall brick through the second micro inverter to form a second inverter unit 2;
the ninth photovoltaic wall brick and the tenth photovoltaic wall brick are connected with the eleventh photovoltaic wall brick and the twelfth photovoltaic wall brick through the third micro inverter to form a third inverter unit 3;
the thirteenth photovoltaic wall brick and the fourteenth photovoltaic wall brick are connected with the fifteenth photovoltaic wall brick and the sixteenth photovoltaic wall brick through the fourth micro inverter to form a fourth inversion unit 4;
the seventeenth photovoltaic wall brick and the eighteenth photovoltaic wall brick form a seventh inverter unit 7 through the fifth micro inverter;
the nineteenth photovoltaic wall brick and the twentieth photovoltaic wall brick are connected with the twenty-first photovoltaic wall brick and the twenty-second photovoltaic wall brick through the sixth micro inverter to form a fifth inverter unit 5;
and the twenty-third photovoltaic wall brick and the twenty-fourth photovoltaic wall brick are connected with the twenty-fifth photovoltaic wall brick and the twenty-sixth photovoltaic wall brick through the seventh micro inverter to form a sixth inverter unit 6.
The first inversion unit 1 is connected with the second inversion unit 2;
the third inversion unit 3 is connected with the fourth inversion unit 4;
the fifth inverter unit 5 is connected to the seventh inverter unit 7 through the sixth inverter unit 6.
The three-phase input unit further comprises a micro-inverse cable, and the first photovoltaic unit, the second photovoltaic unit, the third photovoltaic unit and the fourth photovoltaic unit construct the three-phase input unit through the micro-inverse cable.
The three-phase alternating current grid-connected distribution box is a 380V/50HZ distribution box.
The three phases are ABC three phases, as shown in FIG. 5.
Comparative example 1: the conventional method for installing the photovoltaic module on the vertical surface of the house is shown in figures 7-9:
the wall facade installation metal fossil fragments, the metal fossil fragments are installed between wall facade and photovoltaic module, wherein, at installation metal fossil fragments in-process, because metal fossil fragments weight and structural problem, need two at least workman collaborative work just can accomplish to because photovoltaic module's self structural problem, when installing photovoltaic module, it is very inconvenient to fix. The metal keel has a complex structure, is high in manufacturing cost and not beneficial to popularization, needs to be connected through a fixing device on the photovoltaic module backboard in the fixing process, consumes time and labor in the connecting process, and is likely to break down due to the fact that the fixing device is connected with the backboard in the long-term use process.
Example 1: the method for installing the photovoltaic module on the vertical surface of the house comprises the following steps:
the photovoltaic module used by the invention is a dual-glass photovoltaic module, as shown in figures 10-11, the advantages of light weight, ultra-thin property, high-quality weather resistance, no water permeation, excellent PID resistance, strong hot spot resistance, 50-year power quality guarantee and annual attenuation of 0.5 percent are as follows, the dual-glass photovoltaic module used by the product is different from a conventional product, and the differences are as follows: the dual-glass photovoltaic module trompil (preceding toughened glass trompil), preceding toughened glass is inconsistent with back toughened glass size. All of these are different methods of fabrication from conventional dual glass photovoltaic modules, intended for use with the mounting.
As shown in fig. 1-4, the aluminum alloy member for the outer facade can be directly fixed on the facade of the wall by chemical bolts without installing metal keels on the facade.
As shown in fig. 5-6, the photovoltaic modules are connected in series to the micro-inverter, and the micro-inverter is adapted to different modules, different orientations, shadow shielding and the like, so that even if a certain module is damaged, other modules still generate power normally.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures, and moreover, the terms "first," "second," "third," etc. are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that the following descriptions are only illustrative and not restrictive, and that the scope of the present invention is not limited to the above embodiments: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the present invention in its spirit and scope. Are intended to be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. A vertical face installation mode based on photovoltaic wall bricks is characterized by comprising the following steps:
s1, dividing a target wall surface into four regions based on the target wall surface, wherein the four regions are a first target wall surface region, a second target wall surface region, a third target wall surface region and a fourth target wall surface region;
s2, paving a fixed foundation layer on the basis of photovoltaic wall bricks in the first target wall surface area, the second target wall surface area, the third target wall surface area and the fourth target wall surface area, and paving a first photovoltaic unit, a second photovoltaic unit, a third photovoltaic unit and a fourth photovoltaic unit on the basis of the first target wall surface area, the second target wall surface area, the third target wall surface area and the fourth target wall surface area;
the fixed base layer comprises a plurality of fixed brackets and a plurality of fixed supporting pieces,
laying the fixed foundation layer, comprising the steps of:
s2.1, arranging the fixing bracket at the edge of the target wall surface, and installing a foundation fixing piece at the horizontal position of the fixing bracket based on the length of the photovoltaic wall brick;
s2.2, installing a gasket, a nut and an aluminum alloy support piece on the base fixing piece, wherein the aluminum alloy support piece is connected with the base fixing piece through the gasket and the nut to form the fixed support piece;
s3, constructing a three-phase input unit based on the first photovoltaic unit, the second photovoltaic unit, the third photovoltaic unit and the fourth photovoltaic unit, wherein the three-phase input unit comprises the first input unit, the second input unit and the third input unit, the first input unit comprises the first photovoltaic unit and the third photovoltaic unit, the second input unit comprises the second photovoltaic unit, and the third input unit comprises the third photovoltaic unit and the fourth photovoltaic unit;
and S4, connecting the three-phase input unit with a three-phase alternating current grid-connected distribution box to form a photovoltaic wall brick facade unit of the target wall surface, so that facade installation of the photovoltaic wall brick is realized.
2. A vertical face installation mode based on photovoltaic wall tiles as claimed in claim 1,
the photovoltaic wall brick is a double-glass photovoltaic assembly and comprises a front glass part which is made of ultra-white toughened glass,
a back plate of tempered glass, and
the battery string consists of a plurality of single crystal battery pieces and is packaged between the front end of the glass and the back plate through a sealant;
the sealant is PVB (polyvinyl butyral) glue and comprises a first PVB glue film and a second PVB glue film;
the front end of the glass is connected with the battery string through the first PVB adhesive film;
the battery string is connected with the back plate through the second PVB adhesive film.
3. A vertical face installation mode based on photovoltaic wall tiles as claimed in claim 2,
the size of the glass front end is smaller than that of the back plate;
the upper end of the overlapped part of the front end of the glass and the back plate is provided with a fixing hole, and the fixing hole comprises a first fixing hole and a second fixing hole;
the first fixing hole and the second fixing hole are used for fixing the photovoltaic wall brick.
4. The facade mounting method based on photovoltaic wall tiles of claim 1,
the first photovoltaic unit comprises a first photovoltaic wall brick, a second photovoltaic wall brick, a third photovoltaic wall brick, a fourth photovoltaic wall brick, a fifth photovoltaic wall brick, a sixth photovoltaic wall brick, a seventh photovoltaic wall brick, an eighth photovoltaic wall brick, a first micro inverter and a second micro inverter;
the second photovoltaic unit comprises a ninth photovoltaic wall brick, a tenth photovoltaic wall brick, an eleventh photovoltaic wall brick, a twelfth photovoltaic wall brick, a thirteenth photovoltaic wall brick, a fourteenth photovoltaic wall brick, a fifteenth photovoltaic wall brick, a sixteenth photovoltaic wall brick, a third micro inverter and a fourth micro inverter;
the third photovoltaic unit comprises a seventeenth photovoltaic wall brick, an eighteenth photovoltaic wall brick and a fifth micro inverter;
the fourth photovoltaic unit comprises a nineteenth photovoltaic wall brick, a twentieth photovoltaic wall brick, a twenty-first photovoltaic wall brick, a twenty-second photovoltaic wall brick, a twenty-third photovoltaic wall brick, a twenty-fourth photovoltaic wall brick, a twenty-fifth photovoltaic wall brick, a twenty-sixth photovoltaic wall brick, a sixth micro inverter and a seventh micro inverter;
the first photovoltaic wall brick and the second photovoltaic wall brick are connected with the third photovoltaic wall brick and the fourth photovoltaic wall brick through the first micro inverter to form a first inverter unit;
the fifth photovoltaic wall brick and the sixth photovoltaic wall brick are connected with the seventh photovoltaic wall brick and the eighth photovoltaic wall brick through the second micro inverter to form a second inverter unit;
the ninth photovoltaic wall brick and the tenth photovoltaic wall brick are connected with the eleventh photovoltaic wall brick and the twelfth photovoltaic wall brick through the third micro inverter to form a third inverter unit;
the thirteenth photovoltaic wall brick and the fourteenth photovoltaic wall brick are connected with the fifteenth photovoltaic wall brick and the sixteenth photovoltaic wall brick through the fourth micro-inverter to form a fourth inversion unit;
the seventeenth photovoltaic wall brick and the eighteenth photovoltaic wall brick form a seventh inversion unit through the fifth micro inverter;
the nineteenth photovoltaic wall brick and the twentieth photovoltaic wall brick are connected with the twenty-first photovoltaic wall brick and the twenty-second photovoltaic wall brick through the sixth micro inverter to form a fifth inverter unit;
and the twenty-third photovoltaic wall brick and the twenty-fourth photovoltaic wall brick are connected with the twenty-fifth photovoltaic wall brick and the twenty-sixth photovoltaic wall brick through the seventh micro inverter to form a sixth inverter unit.
5. The vertical face installation mode based on photovoltaic wall tiles as claimed in claim 4,
the first inversion unit is connected with the second inversion unit;
the third inversion unit is connected with the fourth inversion unit;
the fifth inversion unit is connected with the seventh inversion unit through the sixth inversion unit.
6. A vertical face installation mode based on photovoltaic wall tiles as claimed in claim 1,
the three-phase input unit further comprises a micro-inverse cable, and the first photovoltaic unit, the second photovoltaic unit, the third photovoltaic unit and the fourth photovoltaic unit construct the three-phase input unit through the micro-inverse cable.
7. The vertical face installation mode based on photovoltaic wall tiles as recited in claim 1,
the three-phase alternating current grid-connected distribution box is a 380V/50HZ distribution box.
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