CN110552279A - construction process for laying and prepressing photovoltaic module plate on solar power generation road surface - Google Patents
construction process for laying and prepressing photovoltaic module plate on solar power generation road surface Download PDFInfo
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- CN110552279A CN110552279A CN201910903537.1A CN201910903537A CN110552279A CN 110552279 A CN110552279 A CN 110552279A CN 201910903537 A CN201910903537 A CN 201910903537A CN 110552279 A CN110552279 A CN 110552279A
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- photovoltaic module
- pavement
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- 238000000576 coating method Methods 0.000 claims abstract description 29
- 239000011248 coating agent Substances 0.000 claims abstract description 27
- 238000004140 cleaning Methods 0.000 claims abstract description 19
- 238000001514 detection method Methods 0.000 claims abstract description 14
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- 238000011068 loading method Methods 0.000 claims abstract description 12
- 239000010426 asphalt Substances 0.000 claims description 57
- 239000004814 polyurethane Substances 0.000 claims description 44
- 229920002635 polyurethane Polymers 0.000 claims description 44
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 41
- 239000004593 Epoxy Substances 0.000 claims description 41
- 238000011049 filling Methods 0.000 claims description 24
- 238000009415 formwork Methods 0.000 claims description 20
- 239000011800 void material Substances 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 13
- 238000004078 waterproofing Methods 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 9
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- 229920003023 plastic Polymers 0.000 claims description 8
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- 238000003801 milling Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 claims description 3
- 229920006335 epoxy glue Polymers 0.000 claims description 3
- 239000004570 mortar (masonry) Substances 0.000 claims description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 2
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/02—Arrangement or construction of joints; Methods of making joints; Packing for joints
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/12—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
- E01C23/08—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for roughening or patterning; for removing the surface down to a predetermined depth high spots or material bonded to the surface, e.g. markings; for maintaining earth roads, clay courts or like surfaces by means of surface working tools, e.g. scarifiers, levelling blades
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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
- H02S20/10—Supporting structures directly fixed to the ground
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
the invention discloses a construction process for laying and prepressing a photovoltaic module plate of a solar power generation pavement, and belongs to the technical field of solar power generation pavements. The specific implementation steps are as follows: (1) treating the lower bearing layer pavement; (2) cleaning and drying the road surface; (3) supporting a mold by a groove of the junction box; (4) coating the mixture primer of the lower bearing layer pavement; (5) coating the mixture primer on the bottom surface of the photovoltaic module; (6) laying and emptying detection of the photovoltaic module board; (7) loading and prepressing the photovoltaic module plate; (8) and treating the expansion joint and the side seam. The invention has the beneficial effects that: the construction process for laying and prepressing the photovoltaic module plate on the solar power generation road surface has the characteristics of simple process flow, strong operability and good construction effect. Has obvious beneficial effects and is suitable for application and popularization.
Description
Technical Field
The invention belongs to the technical field of solar power generation pavements, and particularly relates to a construction process for laying and prepressing a photovoltaic module plate of a solar power generation pavement.
Background
the solar power generation pavement technology is a project of 'new materials, new equipment and new energy' which is concerned about and invests in huge capital development and research in competition in the world in recent years. The solar power generation road surface is used as a basic stone carrier of future intelligent traffic, and is an effective way for realizing electrification and intellectualization along a road, solving the problems of energy supply, resource integration and ecological environment coordination construction and development in the traffic transportation industry.
along with the increasing maturity of the solar power generation pavement technology, the solar power generation pavement technology gradually starts to be tested and applied in roads. The solar power generation assemblies with different structural design principles and forms are developed in China, America, the Netherlands, France and other countries, and test sections with different scales and load grades are paved. Particularly, the traffic operation of a solar power generation road surface test section paved on a Chinese expressway marks that the Chinese solar power generation road surface technology has great breakthrough in the aspects of bearing capacity, anti-skid performance, power generation efficiency and the like and reaches the world leading level. According to the structural design form and the appearance structure of the photovoltaic module plate in China, the structural design size of the photovoltaic module plate is large, and the lane of the highway is often provided with linear structures such as a flat curve, a vertical curve, an ultrahigh curve, a drainage cross slope and the like. When the photovoltaic module board is laid, the construction workability of the cementing material on the pavement of the lower bearing layer, the coating uniformity and the flow plasticity along the longitudinal and transverse slopes easily cause the occurrence of the phenomenon of the bottom of the photovoltaic module board falling, thereby influencing the integral stress and the use durability of the photovoltaic module board. However, the construction techniques, bonding materials and laying processes of the existing roads, floor tiles, marbles and ground plate structures cannot realize the tight, reliable and durable bonding of the photovoltaic module plate and the underlying pavement structure into a whole, so that the photovoltaic module plate and the underlying pavement structure can bear the stress and deformation generated by the traffic load together. Based on the structural design form and the appearance structure of the photovoltaic module board researched and developed in China, the construction process for laying and prepressing the photovoltaic module board on the solar power generation road surface is systematically researched and invented by combining the construction of the solar power generation road surface test section of the expressway. The research and development of the construction process for laying and prepressing the photovoltaic module plate on the solar power generation road surface does not exist in the market, so that the design of the construction process for laying and prepressing the photovoltaic module plate on the solar power generation road surface is very necessary.
Therefore, how to design a construction process for laying and prepressing the photovoltaic module plate on the solar power generation road surface becomes a problem to be solved currently.
Disclosure of Invention
The invention provides a construction process for laying and prepressing a photovoltaic module plate on a solar power generation road surface, aiming at solving the technical problem that the prior art does not have the construction process for laying and prepressing the photovoltaic module plate on the solar power generation road surface.
A construction process for laying and prepressing a photovoltaic module plate on a solar power generation road surface comprises the following specific implementation steps:
(1) Treating the pavement of the lower bearing layer, using a pavement napping machine to nappe the pavement, and then using a mountain cat sweeper to clean the pavement next to the napping machine;
(2) Cleaning and drying the pavement, cleaning the surface and the grooves of the pavement by using a high-pressure sprinkler, and drying the pavement by using an air blower;
(3) The junction box groove formwork is a double-formwork, and inner and outer side formworks are supported by rod-shaped members;
(4) Coating the primer of the epoxy, polyurethane, modified asphalt or acrylate mixture on the lower bearing layer asphalt pavement, uniformly stirring the primer of the epoxy, polyurethane, modified asphalt or acrylate mixture, pouring the mixture on the lower bearing layer asphalt pavement according to the mass of 0.5-20kg/m 3, and uniformly coating;
(5) Coating epoxy, polyurethane, modified asphalt or acrylate mixture primer on the bottom surface of the photovoltaic module, and coating epoxy, polyurethane, modified asphalt or acrylate mixture primer on the bottom surface of the photovoltaic module and the junction box;
(6) Laying a photovoltaic module board and detecting the void, firstly laying the photovoltaic module board on a lower bearing layer pavement according to the opening position of a groove of a junction box, and detecting the void condition of the bottom of the photovoltaic module board; if a void area exists at the bottom of the photovoltaic module plate, injecting epoxy, polyurethane, modified asphalt or acrylate mixture primer into the void area at the bottom of the photovoltaic module plate by using special grouting equipment for grouting;
(7) according to the detection result in the step (6), if the bottom of the photovoltaic module is detected to be compact, carrying out loading and prepressing on the photovoltaic module plate by using a sand bag or compaction equipment, removing a temporary load after the epoxy, polyurethane, modified asphalt or acrylate mixture primer is finally set, and removing a junction box groove template;
(8) and (3) treating the expansion joint and the side seams, filling asphalt, modified asphalt, epoxy glue, polyurethane glue or acrylate glue into the expansion joint, and filling asphalt mixture, modified asphalt mixture, epoxy mortar mixture, polyurethane mixture or acrylate mixture into the side seams.
Preferably, in the step (1), the step of processing the lower bearing layer pavement further comprises the step of respectively grooving and cleaning the longitudinal electric power groove, the transverse electric power groove and the junction box groove at corresponding positions and areas of the original pavement by using a pavement grooving machine and an impact hammer. The napping thickness is controlled to be 0.2-4 cm.
Preferably, in the step (1), the lower bearing layer road surface can also be milled by using a milling machine.
Preferably, in the junction box groove formwork in the step (3), the inner side formwork is made of elastic-plastic materials such as hard boards with rough surfaces, the height of the formwork is 0.5-2 cm greater than the elevation of a road surface, and the outer side formwork is made of elastic-plastic materials with smooth surfaces such as bamboo plywood or wood formwork.
Preferably, in the step (4), the primer of the epoxy, polyurethane, modified asphalt or acrylate mixture of the lower bearing layer is coated, the coating thickness of the primer of the epoxy, polyurethane, modified asphalt or acrylate mixture of the lower bearing layer is 0.2-3 cm, and the primer of the epoxy, polyurethane, modified asphalt or acrylate mixture is required to fill the groove of the junction box.
Preferably, in the step (5), the coating thickness of the epoxy, polyurethane, modified asphalt or acrylate mixture primer on the bottom surface of the photovoltaic module is 1-3 mm.
Preferably, in the photovoltaic module plate laying and void detection in the step (6), the photovoltaic module plate bottom void detection can use a visual method, an infrared detector, a plate bottom imager or a geological radar.
Preferably, in the step (7) of loading and pre-pressing the photovoltaic module plate, the pre-pressing pressure on the photovoltaic module plate is controlled to be 0.5-10 multiplied by 10 -3 Mpa.
Preferably, the photovoltaic module panel comprises a photovoltaic module, a junction box, a photovoltaic cable, a positive MC4 plug and a negative MC4 plug; the junction box is positioned on the central line of one side of the short edge below the photovoltaic module and is retracted into the edge of the photovoltaic module on one side of the short edge; a photovoltaic cable is led out from one side of the junction box, which is close to the short side of the photovoltaic module, in the horizontal direction; the terminal of the photovoltaic cable is connected with a positive MC4 plug and a negative MC4 plug.
Preferably, the construction process schematic diagram of the laying and prepressing of the photovoltaic module plate on the solar power generation road surface is as follows: the solar power generation device comprises a longitudinal power groove, a transverse power groove, a junction box groove, a side seam, an expansion joint and a solar power generation pavement bonding layer. The longitudinal electric power groove is arranged in the middle of the cross section of the photovoltaic module board laying lane; the transverse electric power groove is arranged at the starting and stopping end of the photovoltaic module plate laying lane; the junction box grooves are symmetrically arranged along the center line of the longitudinal power groove; the positive MC4 plug and the negative MC4 plug of the photovoltaic assembly board in the longitudinal power groove are connected in series in a plugging manner; the longitudinal power groove and the transverse power groove are used for wiring and converging of a photovoltaic module plate matrix string photovoltaic cable main line and filling of road materials; filling and waterproofing treatment is carried out on the side seams and the expansion joints; the photovoltaic module plate is effectively bonded with the pavement of the lower bearing layer thereof through a solar power generation pavement bonding layer, and a sand bag is arranged on the photovoltaic module plate for temporary loading and prepressing; the positive MC4 plug and the negative MC4 plug are connected with power equipment.
The invention has the beneficial effects that:
(1) the construction process for laying and prepressing the photovoltaic module board on the solar power generation pavement can realize tight, effective and durable bonding between the photovoltaic module board and the pavement structure of the lower bearing layer, greatly reduce the probability of the bottom of the photovoltaic module board to be empty and fully ensure the service life of the photovoltaic module board.
(2) aged asphalt, weathered aggregate and oil stain pollution on the surface of the original pavement are removed through an underlying pavement treatment process, so that broken stone aggregate and aggregate gaps in the asphalt mixture are fully exposed, and the occlusion force between primer and aggregate of epoxy, polyurethane, modified asphalt or acrylate mixture and the penetration and adhesion force between the aggregate gaps are fully ensured; the power groove and the junction box groove are formed in the original pavement structure of the lower bearing layer, so that a precondition is provided for the laying of subsequent photovoltaic module boards, and meanwhile, the series connection and the confluence between the photovoltaic module boards are realized; the surface of the lower bearing layer pavement is cleaner and cleaner through pavement cleaning and drying processes, and good bonding performance and durability between the photovoltaic module board and the lower bearing layer pavement are fully guaranteed.
(3) epoxy, polyurethane, modified asphalt or acrylate mixture primer filled in the groove of the junction box is effectively prevented from leaking into the longitudinal power groove by the junction box groove formwork erecting process, and the compactness of the photovoltaic module board at the position of the junction box is fully ensured.
(4) The coating process of the primer of the epoxy, polyurethane, modified asphalt or acrylate mixture of the lower bearing layer and the coating process of the primer of the epoxy, polyurethane, modified asphalt or acrylate mixture of the bottom surface of the photovoltaic module fully ensures the coating fullness and uniformity of the primer of the epoxy, polyurethane, modified asphalt or acrylate mixture between the photovoltaic module plate and the pavement of the lower bearing layer.
(5) the weak bonding area between the photovoltaic module board and the lower bearing layer pavement is fully exposed through photovoltaic module board laying and void detection and the lower bearing layer epoxy, polyurethane, modified asphalt or acrylate mixture primer grouting process, and the epoxy, polyurethane, modified asphalt or acrylate mixture primer grouting is performed on the weak bonding area to fully ensure the sufficiency and fullness of the epoxy, polyurethane, modified asphalt or acrylate mixture primer painting.
(6) The photovoltaic module plate loading and pre-pressing process effectively prevents the occurrence of the phenomenon that the bottom of the photovoltaic module plate is locally hollow due to the fact that primer of epoxy, polyurethane, modified asphalt or acrylate mixture runs off along a cross slope and a longitudinal slope of a road surface, and further ensures the compactness of bonding between the photovoltaic module plate and the pavement of an underlying layer.
(7) The compactness of the edge of the photovoltaic module plate is fully ensured through the expansion joint and edge seam treatment process, so that a continuous whole is longitudinally formed between the photovoltaic module plates, the occurrence of stress concentration is reduced, the service life of the photovoltaic module plate is fully ensured, and the driving comfort is improved.
(8) The construction process for laying and prepressing the photovoltaic module plate on the solar power generation road surface has the characteristics of simple process flow, strong operability and good construction effect. Has obvious beneficial effects and is suitable for application and popularization.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a process flow diagram of the construction process for laying and pre-pressing the photovoltaic module plate of the solar power generation pavement of the invention;
FIG. 2 is a front view of a photovoltaic module panel used in the present invention;
FIG. 3 is a top view of a photovoltaic module panel used in the present invention;
FIG. 4 is a top view of the photovoltaic module panel after underlayment pavement treatment of the present invention;
FIG. 5 is a cross-sectional view of the lower bearing layer pavement of the photovoltaic module panel of the present invention taken along line I-I;
Fig. 6 is a top view of a photovoltaic module panel of the present invention laid on an underlying pavement.
In the figure, 1-photovoltaic module, 2-junction box, 3-photovoltaic cable, 4-anode MC4 plug, 5-cathode MC4 plug, 6-longitudinal power groove, 7-transverse power groove, 8-junction box groove, 9-edge seam, 10-expansion joint, 11-power equipment, 12-solar power generation pavement bonding layer and 13-sand bag.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
A construction process for laying and prepressing a photovoltaic module plate on a solar power generation road surface comprises the following specific implementation steps:
(1) and (3) treating the lower bearing layer pavement, namely firstly, roughening the pavement area paved with the photovoltaic module board by using a pavement roughening machine, and then, cleaning the loose aggregate particles and mineral powder slurry on the surface of the pavement by using a mountain cat sweeper close to the rear surface of the roughening machine.
(2) The method comprises the following steps of cleaning and drying the pavement, and firstly, cleaning loose aggregate particles and mineral powder slurry on the surface of the pavement and in a groove by using a high-pressure sprinkler. And then, blowing and drying the road surface by using an air blower.
(3) And a junction box groove formwork, wherein a junction box groove 8 is formed in the longitudinal power groove 6 by using an elastic plastic material with rough surface, such as hard board.
(4) And (3) coating the primer of the epoxy mixture of the lower bearing layer, uniformly stirring the primer of the epoxy mixture, pouring the primer of the epoxy mixture on the cement pavement of the lower bearing layer according to the mass of 0.5kg/m 2, and uniformly coating the primer of the epoxy mixture.
(5) The epoxy mixture primer on the bottom surface of the photovoltaic module is coated, and a layer of epoxy mixture primer is coated on the bottom surface of the photovoltaic module 1 and the junction box 2.
(6) The photovoltaic module board is laid and the detection of coming to nothing, at first, according to the position of seting up of terminal box slot 8, lay the photovoltaic module board that the bottom surface was brushed with epoxy mixture primer on solar energy power generation road surface tie coat 12. And then detecting the plate bottom void condition of the photovoltaic module.
(7) and (4) compacting the bottom of the photovoltaic module plate according to the detection result in the step (6), loading and prepressing the photovoltaic module plate by using a sand bag 13, removing the temporary load after the epoxy mixture primer is finally set, and removing the junction box groove 8 template.
(8) Processing the expansion joint and the side joint, and filling, waterproofing and protecting the expansion joint 10 by filling epoxy glue; and filling epoxy mortar mixture in the side seams 9 for filling, waterproofing and protecting treatment.
Example 2
A construction process for laying and prepressing a photovoltaic module plate on a solar power generation road surface comprises the following specific implementation steps:
(1) And (3) treating the lower bearing layer pavement, namely firstly, roughening the pavement area paved with the photovoltaic module board by using a pavement roughening machine, and then, cleaning the loose aggregate particles and mineral powder slurry on the surface of the pavement by using a mountain cat sweeper close to the rear surface of the roughening machine.
(2) the method comprises the following steps of cleaning and drying the pavement, and firstly, cleaning loose aggregate particles and mineral powder slurry on the surface of the pavement and in a groove by using a high-pressure sprinkler. And then, blowing and drying the road surface by using an air blower.
(3) and a junction box groove formwork, wherein a junction box groove 8 is formed in the longitudinal power groove 6 by using an elastic plastic material with rough surface, such as hard board.
(4) And (3) coating the primer of the acrylate mixture of the lower bearing layer, uniformly stirring the primer of the acrylate mixture, pouring the primer of the acrylate mixture on the asphalt pavement of the lower bearing layer according to the mass of 5kg/m 2, and uniformly coating the primer of the acrylate mixture.
(5) And coating the acrylic ester mixture primer on the bottom surface of the photovoltaic module, and coating a layer of acrylic ester mixture primer on the bottom surface of the photovoltaic module 1 and the junction box 2.
(6) the photovoltaic module board is laid and the void is detected, firstly, according to the opening position of the junction box groove 8, the photovoltaic module board with the bottom surface coated with the acrylate mixture primer is laid on the solar power generation pavement bonding layer 12. And then detecting the plate bottom void condition of the photovoltaic module.
(7) according to the detection result in the step (6), the bottom of the photovoltaic module is dense, the photovoltaic module is loaded and pre-pressed, a sand bag 13 is used for loading and pre-pressing on the photovoltaic module, the temporary load is removed after the bottom gel of the acrylate mixture is finally set, and the template of the junction box groove 8 is removed;
(8) processing the expansion joint and the side joint, and filling, waterproofing and protecting the expansion joint 10 by filling acrylate glue; and filling the acrylic ester mixture in the side seams 9 for filling, waterproofing and protecting treatment.
example 3
A construction process for laying and prepressing a photovoltaic module plate on a solar power generation road surface comprises the following specific implementation steps:
(1) And (3) treating the lower bearing layer pavement, namely firstly, roughening the pavement area paved with the photovoltaic module board by using a pavement roughening machine, and then, cleaning the loose aggregate particles and mineral powder slurry on the surface of the pavement by using a mountain cat sweeper close to the rear surface of the roughening machine.
(2) The method comprises the following steps of cleaning and drying the pavement, and firstly, cleaning loose aggregate particles and mineral powder slurry on the surface of the pavement and in a groove by using a high-pressure sprinkler. And then, blowing and drying the road surface by using an air blower.
(3) And a junction box groove formwork, wherein a junction box groove 8 is formed in the longitudinal power groove 6 by using an elastic plastic material with rough surface, such as hard board.
(4) And (3) coating the primer of the polyurethane mixture of the lower bearing layer, uniformly stirring the primer of the polyurethane mixture, pouring the primer of the polyurethane mixture on the asphalt pavement of the lower bearing layer according to the mass of 12kg/m2, and uniformly coating the primer of the polyurethane mixture.
(5) The polyurethane mixture primer on the bottom surface of the photovoltaic module is coated, and a layer of polyurethane mixture primer is coated on the bottom surface of the photovoltaic module 1 and the junction box 2.
(6) Laying and void detection of the photovoltaic module board, firstly, laying the photovoltaic module board with the bottom surface coated with the polyurethane mixture primer on the solar power generation pavement bonding layer 12 according to the opening position of the junction box groove 8. And then detecting the plate bottom void condition of the photovoltaic module.
(7) according to the detection result in the step (6), compacting the bottom of the photovoltaic module plate, loading and prepressing the photovoltaic module plate by using a sand bag 13, removing a temporary load after the polyurethane mixture bottom gel is finally set, and removing a junction box groove 8 template;
(8) Processing the expansion joint and the side joint, and filling polyurethane glue into the expansion joint 10 for filling, waterproofing and protecting; and filling polyurethane mixture in the side seams 9 for filling, waterproofing and protecting treatment.
example 4
a construction process for laying and prepressing a photovoltaic module plate on a solar power generation road surface comprises the following specific implementation steps:
(1) And (3) processing the lower bearing layer pavement, namely firstly, milling and planing the pavement area paved by the photovoltaic module board by using a milling machine, and then, sweeping the loose aggregate particles and mineral powder slurry on the surface of the pavement by using a catwalk sweeper closely following the milling machine.
(2) The method comprises the following steps of cleaning and drying the pavement, and firstly, cleaning loose aggregate particles and mineral powder slurry on the surface of the pavement and in a groove by using a high-pressure sprinkler. And then, blowing and drying the road surface by using an air blower.
(3) And a junction box groove formwork, wherein a junction box groove 8 is formed in the longitudinal power groove 6 by using an elastic plastic material with rough surface, such as hard board.
(4) and (3) coating the primer of the modified asphalt mixture of the lower bearing layer, uniformly stirring the primer of the modified asphalt mixture, pouring the primer of the modified asphalt mixture on the asphalt pavement of the lower bearing layer according to the mass of 20kg/m2, and uniformly coating the primer of the modified asphalt mixture.
(5) the bottom surface of the photovoltaic module is coated with the modified asphalt mixture primer, and the bottom surface of the photovoltaic module 1 and the junction box 2 are coated with a layer of the modified asphalt mixture primer.
(6) The photovoltaic module board is laid and the void is detected, firstly, according to the opening position of the junction box groove 8, the photovoltaic module board with the bottom surface coated with the modified asphalt mixture primer is laid on the solar power generation pavement bonding layer 12. And then detecting the plate bottom void condition of the photovoltaic module.
(7) According to the detection result in the step (6), compacting the bottom of the photovoltaic module plate, loading and prepressing the photovoltaic module plate by using a sand bag 13, removing a temporary load after the modified asphalt mixture bottom gel is finally set, and removing a junction box groove 8 template;
(8) Processing the expansion joint and the side joint, namely filling modified asphalt into the expansion joint 10 for filling, waterproofing and protecting; and filling the modified asphalt mixture in the side seams 9 for filling, waterproofing and protecting treatment.
Although the present invention has been described in detail by referring to the drawings in connection with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and scope of the present invention, and these modifications or substitutions are within the scope of the present invention/any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A construction process for laying and prepressing a photovoltaic module plate on a solar power generation road surface is characterized by comprising the following concrete implementation steps:
(1) Treating the pavement of the lower bearing layer, using a pavement napping machine to nappe the pavement, and then using a mountain cat sweeper to clean the pavement next to the napping machine;
(2) Cleaning and drying the pavement, cleaning the surface and the grooves of the pavement by using a high-pressure sprinkler, and drying the pavement by using an air blower;
(3) The junction box groove formwork is a double-formwork, and inner and outer side formworks are supported by rod-shaped members;
(4) Coating the primer of the epoxy, polyurethane, modified asphalt or acrylate mixture on the lower bearing layer asphalt pavement, uniformly stirring the primer of the epoxy, polyurethane, modified asphalt or acrylate mixture, pouring the mixture on the lower bearing layer asphalt pavement according to the mass of 0.5-20kg/m 3, and uniformly coating;
(5) Coating epoxy, polyurethane, modified asphalt or acrylate mixture primer on the bottom surface of the photovoltaic module, and coating epoxy, polyurethane, modified asphalt or acrylate mixture primer on the bottom surface of the photovoltaic module and the junction box;
(6) Laying and detecting the photovoltaic module plate, firstly, laying the photovoltaic module plate on a lower bearing layer road surface according to the opening position of a groove of a junction box, detecting the condition of plate bottom void of the photovoltaic module plate, and if detecting that a void area exists at the plate bottom of the photovoltaic module plate, injecting epoxy, polyurethane, modified asphalt or acrylate mixture primer into the void at the plate bottom of the photovoltaic module plate by using special grouting equipment for grouting;
(7) according to the detection result in the step (6), if the bottom of the photovoltaic module is detected to be compact, carrying out loading and prepressing on the photovoltaic module plate by using a sand bag or compaction equipment, removing a temporary load after the epoxy, polyurethane, modified asphalt or acrylate mixture primer is finally set, and removing a junction box groove template;
(8) And (3) treating the expansion joint and the side seams, filling asphalt, modified asphalt, epoxy glue, polyurethane glue or acrylate glue into the expansion joint, and filling asphalt mixture, modified asphalt mixture, epoxy mortar mixture, polyurethane mixture or acrylate mixture into the side seams.
2. The construction process for laying and prepressing the solar power generation pavement photovoltaic module board according to claim 1, wherein in the step (1), the step of treating the lower bearing pavement further comprises the steps of respectively grooving and cleaning the longitudinal power groove, the transverse power groove and the junction box groove at corresponding positions and areas of the original pavement by using a pavement grooving machine and an impact hammer; the napping thickness is controlled to be 0.2-4 cm.
3. The construction process for laying and pre-pressing the solar power generation pavement photovoltaic module board as claimed in claim 1, wherein in the step (1), the lower bearing pavement can also be milled by a milling machine.
4. The construction process for laying and pre-pressing the photovoltaic module board on the solar power generation road surface according to claim 1, wherein in the step (3), the junction box groove formwork is made of elastic plastic materials such as hard paper boards with rough surfaces, the height of the inner formwork is 0.5-2 cm greater than the road surface elevation, and the outer formwork is made of elastic plastic materials with smooth surfaces such as bamboo plywood or wood formwork.
5. The construction process for laying and prepressing the photovoltaic module board on the solar power generation pavement according to claim 1, wherein in the step (4), the primer of the epoxy, polyurethane, modified asphalt or acrylate mixture is coated, the coating thickness of the primer of the epoxy, polyurethane, modified asphalt or acrylate mixture is 0.2-3 cm, and the grooves of the junction box are filled with the primer of the epoxy, polyurethane, modified asphalt or acrylate mixture.
6. The construction process for laying and prepressing the photovoltaic module board on the solar power generation pavement according to claim 1, wherein in the step (5) of coating the primer of the epoxy, polyurethane, modified asphalt or acrylate mixture on the bottom surface of the photovoltaic module, the coating thickness of the primer of the epoxy, polyurethane, modified asphalt or acrylate mixture on the bottom surface of the photovoltaic module is 1-3 mm.
7. The construction process for laying and prepressing the photovoltaic module board on the solar power generation road surface according to claim 1, wherein in the step (6), the photovoltaic module board is laid and the photovoltaic module board is subjected to the void detection, and the void detection of the photovoltaic module board bottom can be carried out by a visual method, an infrared detector, a board bottom imager or a geological radar.
8. The construction process for laying and prepressing the photovoltaic module board on the solar power generation road surface according to claim 1, wherein in the step (7) of loading and prepressing the photovoltaic module board, the prepressing pressure on the photovoltaic module board is controlled to be 0.5-10 x 10 - 3 Mpa.
9. The construction process for laying and prepressing the solar power generation pavement photovoltaic module board as claimed in claim 1, wherein the photovoltaic module board comprises a photovoltaic module, a junction box, a photovoltaic cable, a positive MC4 plug and a negative MC4 plug; the junction box is positioned on the central line of one side of the short edge below the photovoltaic module and is retracted into the edge of the photovoltaic module on one side of the short edge; a photovoltaic cable is led out from one side of the junction box, which is close to the short side of the photovoltaic module, in the horizontal direction; the terminal of the photovoltaic cable is connected with a positive MC4 plug and a negative MC4 plug.
10. The construction process for laying and pre-pressing the solar power generation pavement photovoltaic module board according to claim 1, wherein the construction process schematic diagram for laying and pre-pressing the solar power generation pavement photovoltaic module board is as follows: the solar power generation device comprises a longitudinal power groove, a transverse power groove, a junction box groove, a side seam, an expansion joint and a solar power generation pavement bonding layer; the longitudinal electric power groove is arranged in the middle of the cross section of the photovoltaic module board laying lane; the transverse electric power groove is arranged at the starting and stopping end of the photovoltaic module plate laying lane; the junction box grooves are symmetrically arranged along the center line of the longitudinal power groove; the positive MC4 plug and the negative MC4 plug of the photovoltaic assembly board in the longitudinal power groove are connected in series in a plugging manner; the longitudinal power groove and the transverse power groove are used for wiring and converging of a photovoltaic module plate matrix string photovoltaic cable main line and filling of road materials; filling and waterproofing treatment is carried out on the side seams and the expansion joints; the photovoltaic module plate is effectively bonded with the pavement of the lower bearing layer thereof through a solar power generation pavement bonding layer, and a sand bag is arranged on the photovoltaic module plate for temporary loading and prepressing; the photovoltaic cables are converged to the corresponding power equipment.
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| CN113529529A (en) * | 2021-06-09 | 2021-10-22 | 徐忠花 | Solar power generation road surface photovoltaic board is laid and is detected and reinforcing apparatus |
| CN114362645A (en) * | 2022-01-17 | 2022-04-15 | 南京索尔玻璃科技股份有限公司 | Solar power generation photovoltaic tile assembly and photovoltaic building system and method thereof |
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