CN114412078A - Roof waterproof system integrating photovoltaic power generation and water prevention - Google Patents
Roof waterproof system integrating photovoltaic power generation and water prevention Download PDFInfo
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- CN114412078A CN114412078A CN202210119707.9A CN202210119707A CN114412078A CN 114412078 A CN114412078 A CN 114412078A CN 202210119707 A CN202210119707 A CN 202210119707A CN 114412078 A CN114412078 A CN 114412078A
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- coiled material
- waterproof
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- modified asphalt
- coating
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
-
- 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
-
- 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
- E04D13/1606—Insulation of the roof covering characterised by its integration in the roof structure
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D15/00—Apparatus or tools for roof working
- E04D15/06—Apparatus or tools for roof working for handling roofing or sealing material in roll form
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D15/00—Apparatus or tools for roof working
- E04D15/07—Apparatus or tools for roof working for handling roofing or sealing material in bulk form
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/726—Permeability to liquids, absorption
- B32B2307/7265—Non-permeable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2419/00—Buildings or parts thereof
- B32B2419/06—Roofs, roof membranes
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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]
Abstract
The invention discloses a photovoltaic power generation and waterproof integrated roof waterproof system. The system consists of two layers of modified asphalt waterproof coiled materials, which are divided into an upper layer and a lower layer and can meet the requirement of primary waterproof fortification. Wherein the first waterproof coiled material is made of modified asphalt polyethylene base waterproof coiled material (S MEE). The second waterproof coiled material is made of an N II PET non-padding self-adhesive coiled material. This system is prefabricated through twice coiled material, it is prefabricated respectively in the coiled material with the power generation array to lead cable, and modified asphalt coating all uses self-adhesion modified asphalt in the coiled material, the design is self-adhesion adhesive structure, need not naked light heating construction, follow-up at twice coiled material complex shop pastes the in-process, link to each other electrically conductive mouthful, can accomplish photovoltaic system and lay, not only greatly reduce the degree of difficulty that photovoltaic system laid, need not additionally to increase supporting structure, and arrange conductive cable etc. in the coiled material in addition, can effectively protect it not because of the environment, ageing such as human factor influence, damage, increase photovoltaic system life.
Description
Technical Field
The invention relates to a photovoltaic power generation and waterproof integrated roof waterproof system, and belongs to the technical field of waterproofing.
Background
Along with social progress, the living standard of people is improved, and the consciousness of energy conservation and environmental protection is stronger and stronger while pursuing high quality of life. The energy sources currently utilized by human beings, such as petroleum, coal, natural gas and the like, are non-renewable resources, and as the reserves of the energy sources are lower and lower, the development of new energy sources becomes an urgent matter at present. Sustainable development becomes a topic which can not be bypassed.
The current renewable resources are mainly natural energy including water energy, wind energy, light energy and the like. The wind energy and the water energy are greatly restricted by the environment, the utilization rate and the efficiency of the wind energy and the water energy can be improved only in a specific environment, the light energy is visible everywhere and convenient to use, and how to maximally develop and utilize the light energy into resources required by human beings becomes a main target of scientific researchers.
The progress of the society cannot be separated from the support of energy sources, wherein in the development of industry and science and technology, electric energy is a main energy source, the traditional resources are utilized to be converted into the electric energy, and the development route is a non-sustainable development route.
At present, a photovoltaic power generation system tends to be stable, the maximum conversion rate of photovoltaic power generation can reach 30% along with research of scientific research personnel, solar energy can be effectively utilized, and therefore consumption of traditional resources is reduced. The domestic photovoltaic power generation is mainly focused on ground engineering, a large number of laying supports are used for installing photovoltaic systems, the purpose of power generation is achieved through quantization, although roof photovoltaic power generation is also implemented, the ground photovoltaic systems are moved, the supports are installed on a roof, the scheme is implemented to cause a large amount of material waste, the laying of lines and the installation of the supports enable the roof to have potential safety hazards, and the subsequent replacement of support corrosion, line damage and the like is troublesome.
In order to solve the problem, the invention provides a photovoltaic power generation and waterproof integrated roof waterproof system, which is characterized in that a conductive cable and a photovoltaic array are respectively compounded in or on different waterproof coiled materials, a sloping roof is precast on the roof in the construction process, and an upper layer of coiled material and a lower layer of coiled material are alternately paved, so that all lines are hidden and buried under the coiled materials, and the lines are effectively protected from being damaged. The support is not used, installation and subsequent maintenance and replacement are avoided, material waste and installation procedures are greatly reduced, construction convenience is improved, and the improvement efficiency is over 80%. Meanwhile, the drainage function of the sloping roof, the waterproof function of the waterproof coiled material and the photovoltaic array power generation function are combined to form a waterproof system integrating photovoltaic power generation and drainage prevention functions. The system integrates functionality, convenience and environmental protection into a whole, and is suitable for the current development trend.
Disclosure of Invention
The invention aims to solve the technical problems of improving the construction convenience of a roof photovoltaic system, improving the functionality of the photovoltaic system, combining with a waterproof system and having the functions of power generation, water prevention and drainage. In order to achieve the purpose, the roof waterproof system integrating photovoltaic power generation and water prevention is provided. The key point of the invention is that the self-adhesive modified asphalt waterproof coiled material is divided into an upper layer and a lower layer, a conductive cable is embedded in the coiled material at the lower layer, the hidden protection of the cable is realized, and the photovoltaic power generation sheet is compounded with the coiled material at the upper layer to form a photovoltaic array, so that the effect of avoiding mounting a bracket is achieved. And in the construction process, the waterproof construction and the photovoltaic array synchronous laying are completed by the crossed composite pasting of the two layers of coiled materials. The great reduction operation complexity has promoted the efficiency of construction, reduces support material waste, promotes the feature of environmental protection.
In order to achieve the purpose, the invention adopts the technical scheme that:
a roof waterproof system integrating photovoltaic power generation and water prevention is provided. The method is characterized in that: the system consists of two modified asphalt waterproof coiled materials which are divided into an upper layer and a lower layer, wherein the lower layer of coiled material is made of an S MEE coiled material, and the upper layer of coiled material is made of an N II PET coiled material.
The roof waterproof system provided by the invention is divided into an upper layer and a lower layer which are respectively manufactured, wherein the lower layer coiled material structure sequentially comprises a PET aluminized isolating membrane, a self-adhesive modified asphalt coating (embedded with a conductive cable), a PET matrix membrane, a self-adhesive modified asphalt coating and a PET aluminized isolating membrane from top to bottom; the upper coiled material structure sequentially comprises a power generation array, an SBC pressure sensitive adhesive layer, a PET high-extension aluminizer, a self-adhesion modified asphalt coating and a PET aluminizing isolating membrane from top to bottom.
The invention provides a roof waterproof system, which comprises the following steps:
s1, spreading the PET aluminized isolating film on a steel belt conveying belt through a flattening roller,
s2 coating self-adhesive modified asphalt coating with thickness of 0.8-1.5mm, preferably 1 + -0.1 mm, with a first blade
S3 PET carcass film
S4 pre-laying the conductive cable on the matrix membrane via a wire arranging roller, placing the cable interface at the long overlapping edge of the coiled material, and after laying 4.5 +/-0.01 m each time, leaving a blank of 1 +/-0.01 m without wire arrangement to match the upper coiled material for use
S5A self-adhesive modified asphalt coating of 1-3.2mm thickness, preferably 3. + -. 0.1mm, is applied with a second doctor blade at a distance of 20. + -. 0.5cm behind the winding displacement roller.
And S6, coating a PET aluminized isolating film, cooling, rolling and packaging.
The lower layer coiled material process comprises the following steps:
s1 PET aluminizing isolating film is spread on the steel belt conveying belt by a flattening roller
S2 coating self-adhesive modified asphalt coating with thickness of 1.2-2mm, preferably 1.5 + -0.1 mm, with a first blade
S3 high-extension aluminizer coated with 0.06 +/-0.1 mm of PET through film coating and rolling
S4 second scraper blade coating hot melt pressure sensitive adhesive with thickness of 0.5 +/-0.2 mm
And S5, covering and pasting a flexible photovoltaic power generation sheet to form a power generation array.
According to the roof waterproof system provided by the invention, the thickness of the PET aluminized isolation film is 0.035 +/-0.1 mm, the thickness of the PET carcass film is 0.075 +/-0.1 mm, and the thickness of the PET high-elongation aluminized film is 0.06 +/-0.1 mm. .
According to the roof waterproof system provided by the invention, the modified asphalt material used for the self-adhesive modified asphalt coating can meet the blade coating at the temperature of 60-80 DEG C
The roof waterproof system provided by the invention is characterized in that the conductive cable is 2-4mm2Copper wire cable capable of meeting requirement of 5 +/-0.1 m of whole coiled material2And the photovoltaic array generates electricity and needs to conduct electricity.
According to the roof waterproof system provided by the invention, the photovoltaic array is made of amorphous silicon components, the maximum coiling diameter of the formed sheet is 25 +/-2 cm, and the length of each coil of the upper layer of coiled material is 5 +/-0.01 m.
The roof waterproof system provided by the invention has the advantages that the coil length is 5m +/-0.01 m, the width is 1200 +/-3 mm, the thickness of the lower coil is 2.5-4mm, and the thickness of the upper coil is 1.5-2.5 mm.
According to the roof waterproof system provided by the invention, the hot-melt pressure-sensitive adhesive is an SBR system, and the anti-aging performance is excellent.
The roof waterproof system provided by the invention is characterized in that the power generation array group is 6 +/-0.01 m2As a single column.
According to the roof waterproof system provided by the invention, the construction of the waterproof system is the cross construction of an upper layer and a lower layer, when the lower layer is paved, a conductive cable port is reserved in an upper lap joint seam, when the upper layer is paved, a photovoltaic array power outlet is connected with a lower layer coiled material conductive port in the pre-paving direction every time one coil is paved, and when subsequent coiled materials are paved, the interface can be synchronously sealed below the coiled materials.
According to the roof waterproof system provided by the invention, the dislocation of the upper and lower coiled materials is optimal by 10-15cm, effective lap joint can be realized, and excessive cable retention is reduced.
According to the roof waterproof system provided by the invention, the waterproof system is paved on a sloping roof, and if the waterproof system is paved on a flat roof, the roof is poured in advance to form inclined drainage, so that a comprehensive system with coexistence of water prevention, drainage and power generation can be achieved by combining the system.
According to the roof waterproof system provided by the invention, the angle of the sloping roof or the inclined plane is 25-45 degrees and faces the direct solar radiation direction, so that the sunshine time in each day is ensured to be more than 70%.
The photovoltaic system component and the self-adhesive modified asphalt coiled material are prefabricated into a whole, the distribution and control of the whole photovoltaic system are completed only by paving and pasting two coiled materials, wiring port connection is completed only in the paving and pasting process, and after the whole paving and pasting process is completed, the conductive cable of the last coiled material is connected to the inverter. The system solves the problems that the roof photovoltaic system is time-consuming and labor-consuming to lay and materials such as the mounting bracket are wasted, and meanwhile, the functions of drainage, water resistance and power generation can be achieved only through one-time construction, and the roof waterproof power generation system is convenient, safe and environment-friendly to gather.
Drawings
FIG. 1 schematic view of a lower web
1 lower isolation film;
2, self-adhesive modified asphalt coating of the lower layer;
3, a body membrane;
4, coating self-adhesive modified asphalt on the upper layer;
5 a conductive cable;
6, isolating film.
FIG. 2 is a schematic view of an upper layer web
7, laying a film;
8 self-adhesive modified asphalt coating;
9 PET high-elongation aluminum film;
10 a pressure-sensitive adhesive layer;
11 an output wire;
12 an electricity generating array.
Detailed Description
The following examples are intended to illustrate the invention so that one skilled in the art may, with reference to the description, obtain a reproduction of the results of the experiments, without thereby limiting the scope of the invention.
Example (b):
preparing a self-adhesive modified asphalt material: adding 35 parts of asphalt, 15 parts of rubber softening oil and 10 parts of base oil into a high-speed stirring tank, heating to 160 ℃ at the rotating speed of 500r/min, adding 8 parts of SBR modifier, stirring to 180 ℃ and 185 ℃, adding 15 parts of SBS modifier, heating to 190 +/-5 ℃, stirring and developing for 1.5-2h, then adding 5 parts of tackifying resin, stirring for 0.5h, grinding, adding 12 parts of 200-mesh talcum powder after grinding is finished, stirring for 0.5-1h, and cooling to 70-80 ℃ for later use.
Preparing a lower-layer coiled material: the method comprises the steps of flatly paving a PET aluminized isolating film with the lower surface of 0.035 +/-0.1 mm to a steel belt conveying line through an unfolding roller, blade-coating a self-adhesive modified asphalt coating with the thickness of 1 +/-0.1 mm from a first scraper, covering a PET matrix film on the coating through a film covering roller, arranging a conductive cable on the PET matrix film through a winding roller 15-20cm in front of a second scraper, reserving a wiring port at the edge, sealing and protecting the wiring port through a high-temperature-resistant plastic cover cap, blade-coating a self-adhesive modified asphalt coating with the thickness of 3 +/-0.1 mm from the second scraper, and covering the PET aluminized isolating film with the thickness of 0.035 +/-0.1 mm on the upper surface. Cooling through a production line, rolling and packaging, wherein the length of each roll is 5 +/-0.01 m, and the width of each roll is 1200 +/-3 mm.
Preparing an upper coiled material: the method comprises the steps of flatly paving a PET aluminized isolating membrane with the lower surface of 0.035 +/-0.01 mm onto a steel belt conveying line through an unfolding roller, carrying out blade coating on a self-adhesive modified asphalt coating with the thickness of 1.5 +/-0.1 mm through a first scraper, covering a PET high-extension aluminum membrane on the coating through a film covering roller, carrying out blade coating on an SBC hot-melt pressure-sensitive adhesive with the thickness of 0.5 +/-0.02 mm through a second scraper, covering a photovoltaic power generation sheet on the surface layer of the pressure-sensitive adhesive to form a power generation array, carrying out coil packaging after cooling a coil through a production line, wherein the coil diameter is 25 +/-0.2 cm, the coil length is 5 +/-0.01 m, the width is 1200 +/-3 mm, and carrying out vertical storage. Each coil of coiled material is an independent power generation array, and the area of each array is 6 +/-0.01 m2。
The two types of coiled materials of the upper layer and the lower layer are not limited to the two types of materials, and the coiled materials of the upper layer and the lower layer are formed by using other materials, so that the function of the system is realized, and the invention belongs to the patent scope.
During the construction of this system, at first pour the roofing and reform transform into angle 25-30 slope roofing, treat that the earth maintenance that mixes accomplishes the back, clearance top layer sand-coated, impurity etc. scrape coating base oil, treat that the base oil dries up the back thoroughly, spread and paste first coiled material, figure 1 wiring mouth conducting cable 5 is located last lap joint, remains in the outside, when spreading and pasting the upper coiled material, staggers 10 +/-0.5 cm with lower floor's lap joint, spread and paste first volume after, go out the power mouth with photovoltaic array and be connected with lower floor's conducting cable, follow-up coiled material is spread and is pasted the process and can bury the rain coiled material below with the wiring mouth is stealthily, and because modified pitch waterproofing membrane creep property is excellent, can imbed inside the pitch material after the wiring mouth buries down, can not lead to the coiled material arch to influence the planarization of top layer photovoltaic permutation.
Lay through upper and lower twice coiled material and paste, in the waterproof engineering work progress of roofing, accomplish laying of photovoltaic system promptly, reduce twice process into one, remain the photovoltaic support prefabrication, installation, processes such as photovoltaic array overlap joint, very big shortening operating time, and promoted construction safety, feature of environmental protection.
Comparative example 1:
the existing roof photovoltaic power generation and waterproof construction mode comprises the following steps: s1, firstly, treating the roof base layer, and then laying a waterproof layer; s2, after the waterproof layer is constructed, pouring a protective layer, embedding a construction member in the pouring process so as to facilitate the later-stage photovoltaic support installation, and then curing the post-pouring layer; s3, after the concrete layer of the post-cast strip is cured, the surface of the post-cast strip needs to be treated and polished. S4, assembling the photovoltaic bracket, and installing the photovoltaic bracket on the base layer embedded structural member; s5 erecting a photovoltaic power generation array; s6 cable arrangement and wiring are carried out, all the power generation array cables are gathered in the inverter, and finally the storage battery is connected. The whole process needs four large projects of roof pouring, waterproof project, post-pouring protective layer and photovoltaic erection, and the construction period is long.
Comparative example 2:
the existing roof photovoltaic power generation and water prevention construction mode comprises the following steps: s1, treating the roof, and paving an exposed construction waterproof layer; s2, welding prefabricated parts on the waterproof coiled material; s3, assembling a photovoltaic bracket, and installing the photovoltaic bracket on a prefabricated part; s4 erecting a photovoltaic power generation array; s5 cable arrangement and wiring are carried out, all cables with the power generation array are gathered in the inverter, and finally the storage battery is connected. The whole process needs three large projects of roof pouring, waterproof engineering and photovoltaic erection, and the construction period is long.
TABLE 1 comparison of the construction process of the roof waterproofing system of the present invention with other kinds of processes
From the comparison results of the above table, the roof waterproof system of the invention compares two roof photovoltaic + waterproof systems popular in the current market, can shorten the working procedure and the construction period, and simultaneously reduces the most complicated photovoltaic bracket installation and cable laying, and can reduce the material loss and realize the installation-free function while shortening the installation time. The three systems are respectively arranged on the roof in the same environment, and the installation area is 100m2The power of the installed power generation components is 10-11kw, the annual effective illumination time is 1500h for accounting, and the average power generation coefficient is 1.16. There is no difference in the power generation amount for the three cases.
TABLE 2 calculation of the electric energy generated by different construction price adjustment
After the three systems are installed, the system is monitored for 6 months, the waterproof function of the system is recorded, whether the system leaks or not and whether the system has the drainage function or not are recorded, and the time spent on no open water accumulation on the roof after the system stops raining is long
TABLE 3 comparative waterproof and drainage function (recording 5 raining process comparisons)
The system disclosed by the invention can be designed through the inclined plane of the foundation, has a drainage function after construction, and can not accumulate water on the roof, so that the corrosion damage to the roof foundation is reduced, and the service life is prolonged.
In conclusion, the photovoltaic power generation and waterproof integrated roof waterproof system provided by the invention can achieve the functions of drainage, waterproofing and power generation through one-time construction, and is a convenient, safe and environment-friendly roof waterproof power generation system.
Claims (10)
1. The utility model provides a roofing waterproof system of photovoltaic electricity generation, waterproof integration which characterized in that: the system consists of two modified asphalt waterproof coiled materials which are divided into an upper layer and a lower layer, wherein the lower layer of coiled material is made of an S MEE coiled material, and the upper layer of coiled material is made of an N II PET coiled material. The lower coiled material structure sequentially comprises a PET aluminized isolating film, a self-adhesive modified asphalt coating (embedded with a conductive cable), a PET matrix film, a self-adhesive modified asphalt coating and a PET aluminized isolating film from top to bottom; the upper coiled material structure comprises a power generation array, an SBC pressure sensitive adhesive layer, a PET high-extension aluminizer, a self-adhesion modified asphalt coating and a PET aluminizing isolating membrane from scratch to bottom in sequence.
2. The waterproofing system according to claim 1, wherein: the thickness of the lower layer coiled material is 2.5-4mm, and the thickness of the last coiled material is 1.5-2.5 mm. The thickness of the PET aluminized isolating film is 0.035 +/-0.01 mm, the thickness of the PET carcass film is 0.075 +/-0.01 mm, and the thickness of the PET high-extension aluminum film is 0.06 +/-0.01 mm.
3. The waterproofing system according to claim 1, wherein: the modified asphalt material used by the self-adhesive modified asphalt coating can meet the blade coating at the temperature of 60-80 ℃.
4. The waterproofing system according to claim 1, wherein: the conductive cable is 2-4mm2A copper wire cable; the photovoltaic array is made of amorphous silicon components, the maximum coiling diameter of the formed sheet is 25 +/-2 cm, and the length of each coil of the upper layer of coiled material is 5 +/-0.01 m.
5. The waterproofing system according to claim 1, wherein: the production process of the lower waterproof roll comprises the following steps:
s1, spreading the PET aluminized isolating film on a steel belt conveying belt through a flattening roller;
s2, coating a self-adhesive modified asphalt coating with the thickness of 0.8-1.5mm by a first scraper;
s3 attaching a PET matrix film;
s4, pre-laying the conductive cable above the matrix membrane through a wire arranging roller, placing a cable interface at the long overlapping edge of the coiled material, and after laying 4.5 +/-0.02 m each time, leaving a blank of 1 +/-0.01 m without wire arrangement so as to match the coiled material on the upper layer for use;
s5, coating a self-adhesive modified asphalt coating with the thickness of 1-3.2mm at a position 20 +/-0.5 cm behind the wire arranging roller by using a second scraper;
s6, coating a PET aluminized isolating film, cooling, rolling and packaging;
the length of the coiled material roll is 5m +/-0.01 m, and the width of the coiled material roll is 1200 +/-3 mm.
6. The waterproofing system according to claim 1, wherein: the production process of the upper waterproof roll material comprises the following steps:
s1, spreading the PET aluminized isolating film on a steel belt conveying belt through a flattening roller;
s2, coating a self-adhesive modified asphalt coating with the thickness of 1.2-2mm by a first scraper;
s3 coating a 0.06 +/-0.1 mm PET high-extension aluminizer by an overlaying film roller;
s4 coating hot-melt pressure-sensitive adhesive with the thickness of 0.5 +/-0.2 mm by a second scraper;
s5, covering and pasting a flexible photovoltaic power generation sheet to form a power generation array;
the length of the coiled material roll is 5m +/-0.01 m, and the width of the coiled material roll is 1200 +/-3 mm.
7. The waterproofing system according to claim 1, wherein: the hot-melt pressure-sensitive adhesive is an SBR system.
8. The waterproofing system according to claim 1, wherein: the power generation array group is 6 +/-0.01 m2As a single column.
9. The waterproofing system according to claim 1, wherein: the construction scheme of the waterproof system is as follows:
(1) constructing the upper layer and the lower layer in a crossed manner, and reserving a conductive cable port at the upper lap joint seam when the lower layer is paved;
(2) when the upper layer is laid, the photovoltaic array power outlet is connected with the lower layer coiled material conducting port in the pre-laying direction when one coil is laid, and the interface can be synchronously sealed below the coiled material when the subsequent coiled material is laid;
(3) the upper and lower coiled materials are staggered by 5-15 cm.
10. The waterproofing system according to claim 1, wherein: the waterproof system is paved and attached to the sloping roof; the angle of the sloping roof or the inclined plane is between 25 degrees and 45 degrees and faces the direct solar radiation direction, so that the sunshine time in each day is ensured to be more than 70 percent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210119707.9A CN114412078B (en) | 2022-02-09 | 2022-02-09 | Roof waterproof system integrating photovoltaic power generation and waterproof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210119707.9A CN114412078B (en) | 2022-02-09 | 2022-02-09 | Roof waterproof system integrating photovoltaic power generation and waterproof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114412078A true CN114412078A (en) | 2022-04-29 |
| CN114412078B CN114412078B (en) | 2023-05-16 |
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