CN114023837A - Flexible photovoltaic assembly integrated structure, system and system installation method - Google Patents
Flexible photovoltaic assembly integrated structure, system and system installation method Download PDFInfo
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- CN114023837A CN114023837A CN202111397758.XA CN202111397758A CN114023837A CN 114023837 A CN114023837 A CN 114023837A CN 202111397758 A CN202111397758 A CN 202111397758A CN 114023837 A CN114023837 A CN 114023837A
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- 238000009434 installation Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 105
- 238000003466 welding Methods 0.000 claims abstract description 49
- 239000000853 adhesive Substances 0.000 claims abstract description 10
- 230000001070 adhesive effect Effects 0.000 claims abstract description 10
- 238000010030 laminating Methods 0.000 claims abstract description 7
- 230000010354 integration Effects 0.000 claims abstract 6
- 239000012528 membrane Substances 0.000 claims description 39
- 238000004078 waterproofing Methods 0.000 claims description 37
- 239000002313 adhesive film Substances 0.000 claims description 14
- 239000003292 glue Substances 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 9
- 239000000758 substrate Substances 0.000 claims description 8
- 238000003475 lamination Methods 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 239000000835 fiber Substances 0.000 claims description 4
- 239000002861 polymer material Substances 0.000 claims description 2
- 239000010410 layer Substances 0.000 abstract description 29
- 239000012790 adhesive layer Substances 0.000 abstract description 2
- 238000012795 verification Methods 0.000 abstract description 2
- 239000005022 packaging material Substances 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 13
- 229920002397 thermoplastic olefin Polymers 0.000 description 12
- 239000004800 polyvinyl chloride Substances 0.000 description 8
- 229920000915 polyvinyl chloride Polymers 0.000 description 8
- 230000017525 heat dissipation Effects 0.000 description 4
- 238000010248 power generation Methods 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D11/00—Roof covering, as far as not restricted to features covered by only one of groups E04D1/00 - E04D9/00; Roof covering in ways not provided for by groups E04D1/00 - E04D9/00, e.g. built-up roofs, elevated load-supporting roof coverings
- E04D11/02—Build-up roofs, i.e. consisting of two or more layers bonded together in situ, at least one of the layers being of watertight composition
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
- E04D13/16—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure
-
- 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
-
- 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
- H02S20/23—Supporting structures directly fixed to an immovable object specially adapted for buildings specially adapted for roof structures
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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]
-
- 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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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Architecture (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Photovoltaic Devices (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
Abstract
The invention relates to a flexible photovoltaic assembly integrated structure, a system and an installation method, wherein the structure comprises a flexible photovoltaic assembly, an adhesive layer and an auxiliary waterproof coiled material which are integrally laminated, and a hot air welding area is arranged on the back surface of the auxiliary waterproof coiled material, and the method comprises the following steps: laminating and packaging materials of all layers of the flexible photovoltaic module and the auxiliary waterproof coiled material to realize integration; arranging a main waterproof coiled material on the roof, wherein the whole front surface of the main waterproof coiled material forms a hot air welding area corresponding to the hot air welding area on the auxiliary waterproof coiled material; and the hot air welding area on the back surface of the auxiliary waterproof coiled material is attached to the hot air welding area on the front surface of the main waterproof coiled material and is subjected to hot air welding. The invention solves the problem that the photovoltaic module or the panel is connected in an adhesive mode and fails when applied in the field of buildings, and simultaneously, the use of no structural member greatly reduces the material cost and the installation cost of the product, and the installation structure is safe and reliable through the verification of the wind resistance of the roof system with the wind pressure of positive and negative 5000 Pa.
Description
Technical Field
The invention belongs to the field of photovoltaic products, and particularly relates to a flexible photovoltaic assembly integrated structure, a system and a system installation method.
Background
Due to the limitation of installation conditions, the existing photovoltaic module or panel is pasted by back glue or sealant or structural glue when being installed on a roof. The service life of the glue is extremely difficult to reach the same service life as that of the photovoltaic, and the service life of the glue is further shortened due to the rise of the temperature of the photovoltaic product during power generation. This structure life that makes sticky scheme does not match with the electricity generation life-span of subassembly, causes the secondary maintenance cost even the subassembly in batches to drop and damages, and this scheme can't satisfy the long-term waterproof function of building simultaneously.
Disclosure of Invention
The invention aims to provide a flexible photovoltaic module integrated structure, which greatly reduces the material cost and the installation cost of a product.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a flexible photovoltaic module integral structure, its include vice waterproofing membrane, integrate in vice waterproofing membrane is flexible photovoltaic module on the front and locate vice waterproofing membrane openly with adhesive linkage between the flexible photovoltaic module, be equipped with hot-blast welding region on the vice waterproofing membrane back, flexible photovoltaic module contains the backplate material, hot-blast welding region on the vice waterproofing membrane is located flexible photovoltaic module corresponds the position or corresponds the position around or corresponds the partial region around the position.
Preferably, the flexible photovoltaic module comprises a flexible panel material, an adhesive film, a fiber reinforced layer, an adhesive film, a solar cell piece and an adhesive film.
Preferably, the auxiliary waterproof coiled material is in a frame shape or a strip shape or a block shape, the bonding layer is arranged on an overlapping area when the auxiliary waterproof coiled material and the flexible photovoltaic module are attached, the bonding layer is an adhesive film, and the flexible photovoltaic module and the auxiliary waterproof coiled material are synchronously laminated and formed into a whole during lamination and forming.
The invention also provides a flexible photovoltaic assembly integrated system which comprises a roof structure and a flexible photovoltaic assembly integrated structure fixed on the roof structure through hot air welding, wherein the flexible photovoltaic assembly integrated structure is any one of the flexible photovoltaic assembly integrated structures, and the roof structure comprises a main waterproof coiled material and a roof base material below the main waterproof coiled material.
Preferably, the auxiliary waterproof roll and the main waterproof roll are made of high polymer materials with the same main components.
Preferably, the main components of the secondary waterproof coiled material and the main waterproof coiled material are TPO or PVC.
Preferably, the main components of the main waterproof coiled material, the auxiliary waterproof coiled material and the back plate material are TPO.
Preferably, the main components of the auxiliary waterproof roll and the main waterproof roll are PVC, and the main component of the back plate material is TPO.
Preferably, the roof substrate comprises a heat insulation layer, a waterproof breathable layer below the heat insulation layer and a steel plate bearing layer below the waterproof breathable layer.
The invention also provides an installation method of the flexible photovoltaic assembly integrated system, which comprises the following steps:
a. assembling and laying the auxiliary waterproof coiled material and each layer of materials of the flexible photovoltaic module;
b. laminating and rolling or high-pressure kettle glue clamping are carried out on an auxiliary waterproof coiled material of the flexible photovoltaic assembly after the flexible photovoltaic assembly is assembled and laid, so that the auxiliary waterproof coiled material and the flexible photovoltaic assembly form a flexible photovoltaic assembly integrated structure;
c. the hot air welding area corresponding to the hot air welding area on the auxiliary waterproof coiled material is arranged on the front surface of the main waterproof coiled material;
d. and pasting a flexible photovoltaic assembly integrated structure on the front surface of the main waterproof coiled material, wherein the flexible photovoltaic assembly faces upwards, and the hot air welding area on the back surface of the auxiliary waterproof coiled material is pasted and welded with the hot air welding area on the front surface of the main waterproof coiled material to complete installation.
Preferably, the hot air welding area on the auxiliary waterproof roll is a frame-shaped area or two parallel rectangular areas or an area on the back of the complete auxiliary waterproof roll.
The invention also provides an installation method of the flexible photovoltaic assembly integrated system, which comprises the following steps:
A. assembling and laying the auxiliary waterproof coiled material and each layer of materials of the flexible photovoltaic module;
B. laminating and rolling or high-pressure kettle glue clamping are carried out on an auxiliary waterproof coiled material of the flexible photovoltaic assembly after the flexible photovoltaic assembly is assembled and laid, so that the auxiliary waterproof coiled material and the flexible photovoltaic assembly form a flexible photovoltaic assembly integrated structure;
C. fixedly connecting the flexible photovoltaic module and the auxiliary waterproof coiled material by using blind rivets, wherein the blind rivets are distributed on the periphery of a solar cell of the flexible photovoltaic module;
D. and pasting a flexible photovoltaic assembly integrated structure on the front surface of the main waterproof coiled material, wherein the flexible photovoltaic assembly faces upwards, and the hot air welding area on the back surface of the auxiliary waterproof coiled material is pasted and welded with the hot air welding area on the front surface of the main waterproof coiled material to complete installation.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: the invention solves the problem that the photovoltaic module or the panel is connected in an adhesive way and fails when being applied in the field of buildings, and simultaneously, the material cost and the installation cost of the product are greatly reduced without using structural members; the flexible photovoltaic module further reduces the load requirement of the photovoltaic power generation product on the building roof, so that the application range of the scheme is wider; the flexible photovoltaic module and the auxiliary waterproof coiled material are integrally packaged, a welding area is reserved when the roof is installed, and a hot air welding process is used when the roof is installed. The hot air welding process is characterized in that two products made of the same materials are directly melted and then solidified to form a complete whole, so that the connection service life of the hot air welding process can be as long as that of photovoltaic power generation, and the installation structure is safe and reliable through verification of wind uncovering resistance of a roof system with positive and negative 5000Pa wind pressure.
Drawings
FIG. 1 is an exploded view of a flexible photovoltaic module integrated structure;
FIG. 2 is an exploded view of the flexible photovoltaic module integrated system;
fig. 3 is a schematic view of a flexible photovoltaic module integrated system according to the first embodiment;
fig. 4 is a schematic view of the flexible photovoltaic module integrated system according to the first embodiment after installation;
FIG. 5 is an exploded view of a flexible photovoltaic module integrated system using partial bonding;
FIG. 6 is an exploded schematic view of a flexible photovoltaic module integrated system using a full-scale bonding approach;
FIG. 7 is a schematic view of an integrated structure of a flexible photovoltaic module according to a second embodiment;
fig. 8 is a schematic view of the flexible photovoltaic module integrated system according to the second embodiment after being installed;
fig. 9 is a schematic connection diagram of the secondary waterproofing membrane 11 and the flexible photovoltaic module 12 in the second embodiment;
in the above drawings: 1. a flexible photovoltaic module integrated structure; 2. a roofing structure; 3. a hot air welding area; 4. an overlap region; 5. riveting; 6. a screw; 11. a secondary waterproof roll; 12. a flexible photovoltaic assembly; 13. an adhesive layer; 21. a primary waterproof roll; 22. a roofing substrate; (ii) a 23. A sheet-like waterproof roll; 120. a glue film; 121. a flexible panel material; 122. a fiber-reinforced layer; 123. a solar cell sheet; 124. a backsheet material; 221. a heat insulation layer; 222. a waterproof breathable layer; 223. and (4) a steel plate bearing layer.
Detailed Description
The invention will be further described with reference to examples of embodiments shown in the drawings to which the invention is attached.
Example one
As shown in fig. 1 to 4, the flexible photovoltaic module integrated system includes a roof structure 2 and a flexible photovoltaic module integrated structure 1 fixed on the roof structure 2 by hot air welding, where the flexible photovoltaic module integrated structure 1 is the flexible photovoltaic module integrated structure 1.
The roofing structure 2 comprises a main waterproofing membrane 21, a roofing substrate 22 below the main waterproofing membrane 21. The roof substrate 22 comprises a heat insulation layer 221, a waterproof breathable layer 222 below the heat insulation layer 221 and a steel plate bearing layer 223 below the waterproof breathable layer 222.
Flexible photovoltaic module integral structure 1, it include vice waterproofing membrane 11, integrate in flexible photovoltaic module 12 on vice waterproofing membrane 11 is positive and locate vice waterproofing membrane 11 openly with adhesive linkage 13 between the flexible photovoltaic module 12, locate hot-blast welding region 3 on the vice waterproofing membrane 11 back, hot-blast welding region 3 is located flexible photovoltaic module 12 corresponds the position or corresponds the position around or corresponds the partial region around the position. The flexible photovoltaic module 12 comprises a flexible panel material 121, an adhesive film 120, a fiber reinforced layer 122, an adhesive film 120, a solar cell 123, an adhesive film 120 and a back plate material 124 which are sequentially stacked. The auxiliary waterproof roll 11 is a polymer roof roll. Vice waterproofing membrane 11 is TPO coiled material or PVC coiled material, adopts TPO coiled material in this embodiment, and backplate material 124 also is TPO coiled material (thermoplastic polyolefin waterproofing membrane), and both can be the same or different but the principal ingredients of model are TPO's coiled material, can make flexible photovoltaic module 12 and vice waterproofing membrane 11 form a whole, can effectively guarantee intensity and life that both connect. Vice waterproofing membrane 11 is frame type or strip or cubic, is the frame type in this embodiment, the adhesive linkage is located vice waterproofing membrane 11 with on the overlap region 4 when flexible photovoltaic module 12 pastes, adhesive linkage 13 also is the glued membrane flexible photovoltaic module 12 during the lamination with vice waterproofing membrane 11 is synchronous lamination as an organic whole.
The mounting method of the flexible photovoltaic assembly integrated system comprises the following steps:
a. assembling and laying the auxiliary waterproof roll 11 and each layer of materials of the flexible photovoltaic module 12;
b. laminating, rolling or high-pressure kettle glue-sandwiching the auxiliary waterproof coiled material 11 of the flexible photovoltaic module 12 which is assembled and laid to integrate the auxiliary waterproof coiled material 11 with the flexible photovoltaic module 12;
c. the main waterproof roll 21 is arranged on the roof, and the whole front surface of the main waterproof roll 21 is a hot air welding area;
d. and (3) pasting a flexible photovoltaic module integrated structure 1 on the front surface of the main waterproof coiled material 21, wherein the flexible photovoltaic module 12 faces upwards, and the hot air welding area 3 on the back surface of the auxiliary waterproof coiled material 11 is pasted and welded with the hot air welding area on the front surface of the main waterproof coiled material 21 to complete installation.
The steps a and b can be completed step by step or synchronously, as shown in fig. 5-6, wherein the hot air welding area 3 on the front surface of the main waterproof roll 21 is the same as the hot air welding area 3 on the back surface of the auxiliary waterproof roll 11, and the hot air welding areas 3 are both frame-shaped areas or two parallel rectangular areas or areas on the back surface of the complete auxiliary waterproof roll, as shown in fig. 5, when the roof is inclined and the auxiliary waterproof roll 11 is frame-shaped, the hot air welding areas 3 on the auxiliary waterproof roll 11 are positioned on the back surfaces of two rectangular edges arranged up and down of the frame-shaped, and a heat dissipation gap is formed between the two edges with the same height of the auxiliary waterproof roll 11 and the main waterproof roll, so that the heat dissipation performance of the flexible photovoltaic module 12 can be guaranteed on the premise of guaranteeing the connection strength of the auxiliary waterproof roll 11 and the main waterproof roll 21.
The flexible photovoltaic module integrated system installed by the method is tested according to the following test method, and the load performance is as follows:
test method
1. The gas is continuously injected through the pressure vessel until the load reaches a first pressure level, the deviation being in the range of 0kPa to +0.1 kPa. The rate of increase in air pressure was 0.07 kPa/s. + -. 0.05 kPa/s. When the pressure reaches the graded pressure value, the pressure needs to be maintained for 60s, and when the test piece is maintained at a certain pressure level, attention should be paid to observing the test piece to ensure that the test piece meets the condition of continuing the test;
2. after holding for 60s, then unload to the reference zero position. After the load reaches the reference zero position, the interval time between the next stage of load loading is 1min (60 s), and whether the test piece is damaged or functionally damaged is checked according to the state of the test piece of the observation system of the camera equipment in the observation window or the box body at the loading interval time. The pressure level is increased to the next staged pressure value by adding gas, the rate of increase and the offset are as required. When the next pressure level is reached, the pressure level needs to be kept for 60s, and when the pressure level is maintained at a certain pressure level, the test piece needs to be observed to ensure that the test piece meets the condition of continuing the test;
3. the above steps are repeated until the calibrated load is reached and lasts for 60 s. After the test is finished, taking down the test piece, carefully observing and recording all phenomena which do not accord with the standard regulation;
4. the test results show that: the anti-simulation wind pressure grade is the highest wind pressure grade which can be reached by the system and still meets the test requirements after 60s is maintained.
It can be seen that the wind uncovering resistance of the system on the roof system with the wind pressure of 5000Pa is verified, and the mounting structure is safe and reliable.
Example two
As shown in fig. 1, 2 and 7, the flexible photovoltaic module integrated system includes a roof structure 2 and a flexible photovoltaic module integrated structure 1 fixed on the roof structure 2 by hot air welding, where the flexible photovoltaic module integrated structure 1 is the flexible photovoltaic module integrated structure 1.
The roofing structure 2 comprises a main waterproofing membrane 21, a roofing substrate 22 below the main waterproofing membrane 21. The roof substrate 22 comprises a heat insulation layer 221, a waterproof breathable layer 222 below the heat insulation layer 221 and a steel plate bearing layer 223 below the waterproof breathable layer 222.
Flexible photovoltaic module integral structure 1, it include vice waterproofing membrane 11, integrate in vice waterproofing membrane 11 is flexible photovoltaic module 12 on the front and locate vice waterproofing membrane 11 openly with adhesive linkage 13 between the flexible photovoltaic module 12, locate on the vice waterproofing membrane 11 the back and be located flexible photovoltaic module 12 corresponds the position or corresponds hot-blast welding area 3 around the position. The flexible photovoltaic module 12 comprises a flexible panel material 121, an adhesive film 120, a fiber reinforced layer 122, an adhesive film 120, a solar cell 123, an adhesive film 120 and a back plate material 124 which are sequentially stacked. The auxiliary waterproof roll 11 is a polymer roof roll. Vice waterproofing membrane 11 is TPO coiled material or PVC coiled material, and when main waterproofing membrane 21 was PVC coiled material (polyvinyl chloride coiled material), vice waterproofing membrane 11 also was the PVC coiled material, but backplate material 124 was the TPO coiled material vice waterproofing membrane 11 is frame type or strip or cubic, is the frame type in this embodiment, the adhesive linkage is located vice waterproofing membrane 11 with on the overlap region 4 when flexible photovoltaic module 12 laminated, adhesive linkage 13 also is the glued membrane during flexible photovoltaic module 12 laminated forming with vice waterproofing membrane 11 is synchronous laminated forming as an organic whole.
The mounting method of the flexible photovoltaic assembly integrated system comprises the following steps:
A. assembling and laying the auxiliary waterproof roll 11 and each layer of materials of the flexible photovoltaic module 12;
B. laminating, rolling or high-pressure kettle glue-sandwiching an auxiliary waterproof coiled material 11 of the flexible photovoltaic module 12 which is assembled and laid to form the auxiliary waterproof coiled material 11 and the flexible photovoltaic module 12 into a flexible photovoltaic module integrated structure 1;
C. the auxiliary waterproof roll 11 is a PVC roll, the back sheet material 124 is a TPO roll, and the lamination connection strength of the two is inferior to that of the auxiliary waterproof roll 11 in the first embodiment, which is a TPO roll, so that the flexible photovoltaic module 12 and the auxiliary waterproof roll 11 need to be fixedly connected by using the blind rivet 5, and the blind rivet 5 is distributed on the periphery of the solar cell of the flexible photovoltaic module 12; the vice waterproofing membrane at flexible photovoltaic module edge carries out the fixed of rivet 5 again behind the integrative lamination with photovoltaic module and can make flexible photovoltaic module and vice waterproofing membrane fixed more firm, and can reduce vice waterproofing membrane's material cost, as shown in fig. 8, reduce A's size promptly and will originally arrange that vice waterproofing membrane all around reduces to be fixed for both ends about or both ends are fixed about for photovoltaic module.
D. Fixing the main waterproof roll 21 and the roof substrate 22 by using the screws 6 and integrating the main waterproof roll 21 and the auxiliary waterproof roll 11 by using a hot air welding process;
E. and (3) secondarily covering the bolts 6 on the main waterproof coiled material 21 by the sheet-shaped waterproof coiled material 23 on the main waterproof coiled material 21 at the positions with the bolts 6 by using a hot air welding process, so that the waterproof performance of the roof is ensured.
Step A, B can be completed step by step or synchronously, as shown in fig. 5-6, where the hot air welding area 3 on the front surface of the main waterproof roll 21 is the same as the hot air welding area 3 on the back surface of the auxiliary waterproof roll 11, the hot air welding areas 3 are both frame-shaped areas or two parallel rectangular areas or areas on the back surface of the complete auxiliary waterproof roll, when the roof is inclined and the auxiliary waterproof roll 11 is frame-shaped, the hot air welding areas 3 on the auxiliary waterproof roll 11 are located on the back surfaces of two rectangular edges arranged up and down of the frame, and a heat dissipation gap is formed between the two edges with the same height of the auxiliary waterproof roll 11 and the main waterproof roll, so that the heat dissipation performance of the flexible photovoltaic module 12 can be ensured on the premise of ensuring the connection strength of the auxiliary waterproof roll 11 and the main waterproof roll 21.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (12)
1. The utility model provides a flexible photovoltaic module integral structure, its include vice waterproofing membrane, integrate in flexible photovoltaic module on vice waterproofing membrane is positive and locate vice waterproofing membrane openly with adhesive linkage between the flexible photovoltaic module, its characterized in that: the back of the auxiliary waterproof roll is provided with a hot air welding area, the flexible photovoltaic assembly comprises a backboard material, and the hot air welding area on the auxiliary waterproof roll is located at the corresponding position of the flexible photovoltaic assembly or around the corresponding position or around a part of the corresponding position.
2. The flexible photovoltaic module integrated structure of claim 1, wherein: the flexible photovoltaic module comprises a flexible panel material, an adhesive film, a fiber reinforced layer, an adhesive film, a solar cell piece and an adhesive film.
3. The flexible photovoltaic module integrated structure of claim 1, wherein: the auxiliary waterproof roll is in a frame shape or a strip shape or a block shape, the bonding layer is arranged on an overlapping area when the auxiliary waterproof roll and the flexible photovoltaic module are attached, the bonding layer is an adhesive film, and the flexible photovoltaic module and the auxiliary waterproof roll are synchronously laminated and formed into a whole during lamination forming.
4. A flexible photovoltaic module integrated system is characterized in that: the flexible photovoltaic assembly integrated structure comprises a roof structure and a flexible photovoltaic assembly integrated structure fixed on the roof structure through hot air welding, wherein the flexible photovoltaic assembly integrated structure is the flexible photovoltaic assembly integrated structure in any one of claims 1 to 3, and the roof structure comprises a main waterproof coiled material and a roof base material below the main waterproof coiled material.
5. The flexible photovoltaic module integration system of claim 4, wherein: the auxiliary waterproof roll and the main waterproof roll are made of high polymer materials with the same main components.
6. The flexible photovoltaic module integration system of claim 5, wherein: the main components of the auxiliary waterproof coiled material and the main waterproof coiled material are TPO or PVC.
7. The flexible photovoltaic module integration system of claim 6, wherein: the main components of the main waterproof coiled material, the auxiliary waterproof coiled material and the back plate material are TPO.
8. The flexible photovoltaic module integration system of claim 6, wherein: the main components of the auxiliary waterproof roll and the main waterproof roll are PVC, and the main component of the back plate material is TPO.
9. The flexible photovoltaic module integration system of claim 4, wherein: the roof substrate comprises a heat insulation layer, a waterproof breathable layer below the heat insulation layer and a steel plate bearing layer below the waterproof breathable layer.
10. A method of installing the integrated flexible photovoltaic module system of claim 7, comprising the steps of:
a. assembling and laying the auxiliary waterproof coiled material and each layer of materials of the flexible photovoltaic module;
b. laminating and rolling or high-pressure kettle glue clamping are carried out on an auxiliary waterproof coiled material of the flexible photovoltaic assembly after the flexible photovoltaic assembly is assembled and laid, so that the auxiliary waterproof coiled material and the flexible photovoltaic assembly form a flexible photovoltaic assembly integrated structure;
c. the hot air welding area corresponding to the hot air welding area on the auxiliary waterproof coiled material is arranged on the front surface of the main waterproof coiled material;
d. and pasting a flexible photovoltaic assembly integrated structure on the front surface of the main waterproof coiled material, wherein the flexible photovoltaic assembly faces upwards, and the hot air welding area on the back surface of the auxiliary waterproof coiled material is pasted and welded with the hot air welding area on the front surface of the main waterproof coiled material to complete installation.
11. The method of installation according to claim 10, wherein: and the hot air welding area on the auxiliary waterproof roll is a frame-shaped area or two parallel rectangular areas or the area on the back of the complete auxiliary waterproof roll.
12. A method of installing the integrated flexible photovoltaic module system of claim 8, comprising the steps of:
A. assembling and laying the auxiliary waterproof coiled material and each layer of materials of the flexible photovoltaic module;
B. laminating and rolling or high-pressure kettle glue clamping are carried out on an auxiliary waterproof coiled material of the flexible photovoltaic assembly after the flexible photovoltaic assembly is assembled and laid, so that the auxiliary waterproof coiled material and the flexible photovoltaic assembly form a flexible photovoltaic assembly integrated structure;
C. fixedly connecting the flexible photovoltaic module and the auxiliary waterproof coiled material by using blind rivets, wherein the blind rivets are distributed on the periphery of a solar cell of the flexible photovoltaic module;
D. and pasting a flexible photovoltaic assembly integrated structure on the front surface of the main waterproof coiled material, wherein the flexible photovoltaic assembly faces upwards, and the hot air welding area on the back surface of the auxiliary waterproof coiled material is pasted and welded with the hot air welding area on the front surface of the main waterproof coiled material to complete installation.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN202111397758.XA CN114023837A (en) | 2021-11-19 | 2021-11-19 | Flexible photovoltaic assembly integrated structure, system and system installation method |
| PCT/CN2022/088983 WO2023087620A1 (en) | 2021-11-19 | 2022-04-25 | Flexible photovoltaic assembly integrated structure and system and mounting method for system |
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| CN202111397758.XA CN114023837A (en) | 2021-11-19 | 2021-11-19 | Flexible photovoltaic assembly integrated structure, system and system installation method |
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| WO (1) | WO2023087620A1 (en) |
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| WO2023087620A1 (en) * | 2021-11-19 | 2023-05-25 | 固德威电源科技(广德)有限公司 | Flexible photovoltaic assembly integrated structure and system and mounting method for system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116565046B (en) * | 2023-06-14 | 2024-01-30 | 武汉美格科技股份有限公司 | Double-sided flexible photovoltaic module |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1150607A (en) * | 1997-08-05 | 1999-02-23 | Asahi Chem Ind Co Ltd | Waterproof sheet integrally formed with solar cell |
| US7900413B2 (en) * | 2009-04-22 | 2011-03-08 | Joel Stanley | Method of securing flexible solar panel to PVC roofing membrane |
| CN102651409A (en) * | 2011-05-03 | 2012-08-29 | 京东方科技集团股份有限公司 | Building waterproof photovoltaic assembly and preparation method thereof |
| CN104167983A (en) * | 2014-08-08 | 2014-11-26 | 北京京东方能源科技有限公司 | Solar cell assembly |
| CN109494268A (en) * | 2018-11-16 | 2019-03-19 | 泰州中来光电科技有限公司 | A kind of photovoltaic module and preparation method |
| CN112420864A (en) * | 2020-12-10 | 2021-02-26 | 汉摩尼(江苏)光电科技有限公司 | Light-weight laminated photovoltaic module based on glass fiber pre-dipping process and manufacturing method thereof |
| CN112736153A (en) * | 2021-01-06 | 2021-04-30 | 上迈(镇江)新能源科技有限公司 | Junction box-free flexible light photovoltaic module and application thereof |
| CN114023837A (en) * | 2021-11-19 | 2022-02-08 | 固德威电源科技(广德)有限公司 | Flexible photovoltaic assembly integrated structure, system and system installation method |
| CN114373815A (en) * | 2022-01-27 | 2022-04-19 | 固德威电源科技(广德)有限公司 | Semi-flexible light photovoltaic module |
| CN114695586A (en) * | 2022-03-18 | 2022-07-01 | 苏州零碳绿建新能源科技有限公司 | BIPV (building integrated photovoltaic) module and preparation method thereof |
-
2021
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| WO2023087620A1 (en) * | 2021-11-19 | 2023-05-25 | 固德威电源科技(广德)有限公司 | Flexible photovoltaic assembly integrated structure and system and mounting method for system |
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