CN114704032B - Novel roof integrated photovoltaic distribution structure and roof integrated photovoltaic power station - Google Patents
Novel roof integrated photovoltaic distribution structure and roof integrated photovoltaic power station Download PDFInfo
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- CN114704032B CN114704032B CN202210234807.6A CN202210234807A CN114704032B CN 114704032 B CN114704032 B CN 114704032B CN 202210234807 A CN202210234807 A CN 202210234807A CN 114704032 B CN114704032 B CN 114704032B
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- photovoltaic
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- photovoltaic module
- distribution structure
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- 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
- E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
- E04D13/0404—Drainage on the roof surface
- E04D13/0481—Drainage guiding provisions, e.g. deflectors or stimulation by inclined surfaces
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S20/00—Supporting structures for PV modules
- H02S20/20—Supporting structures directly fixed to an immovable object
- H02S20/22—Supporting structures directly fixed to an immovable object specially adapted for buildings
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
Abstract
The invention belongs to the technical field of photovoltaic power stations, and particularly relates to a novel roof integrated photovoltaic distribution structure and a roof integrated photovoltaic power station, which comprise a plurality of groups of photovoltaic panel groups distributed up and down along a roof inclined plane, wherein the lower end edge of the upper photovoltaic panel group is covered on the upper end edge of the next adjacent photovoltaic panel group, a plurality of special composite cross beams for fixing the photovoltaic panel groups are arranged on the roof, the photovoltaic panel group comprises a plurality of photovoltaic assemblies distributed along the transverse direction, special longitudinal beam water supply and drainage and supporting photovoltaic assemblies are arranged between two adjacent photovoltaic assemblies, and the upper end and the lower end of each special longitudinal beam and the upper end and the lower end of each photovoltaic assembly are connected on the corresponding special composite cross beam.
Description
Technical Field
The invention belongs to the technical field of photovoltaic power stations, and particularly relates to a novel roof integrated photovoltaic distribution structure and a roof integrated photovoltaic power station.
Background
With the rapid development of the photovoltaic power generation industry, roof photovoltaic power stations are gradually popularized and used in large scale. The roof distributed power station has important significance for optimizing an energy structure, promoting energy conservation and emission reduction and realizing economic sustainable development. As shown in fig. 1, the current roof-top distributed power station system is generally composed of a solar photovoltaic module, a photovoltaic bracket, a cable, a combiner box, an inverter and the like.
Roof power station is applied to factory building or resident building roof after traditional large-scale ground power station is simply reformed, and its system still faces following several problems in the actual use process:
1. at present, a fixed support is built on a roof surface of a roof power station, and a photovoltaic module is added to the fixed support for installation. The construction difficulty is high, and the load requirement of the roof is met. In the process of installing a roof photovoltaic power station, the original roof needs to be modified, so that repeated construction of the roof power station is caused, and the construction cost is high.
2. The conventional roof power station needs to reserve a maintenance channel and a fixed reserved gap between battery boards, so that the utilization rate of the effective power generation area of the roof is low.
3. Because the double-sided photovoltaic module of dual glass is used in the current large-scale popularization, the roof power station system of mesh only can utilize single face to generate electricity, and its power station generating efficiency greatly reduced.
4. Because the roof power station needs fixed photovoltaic support, need punch on the roof, the bolt mode is fixed, has caused the poor problem of roof leakproofness, rainwater seepage.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a novel roof integrated photovoltaic distribution structure and a roof integrated photovoltaic power station for solving the technical problem.
The technical scheme adopted for solving the technical problems is as follows:
The utility model provides a novel roof integration photovoltaic distribution structure, includes multiunit along the photovoltaic board group that roof inclined plane distributes from top to bottom, and the lower extreme of last photovoltaic board group is followed the upper end along covering rather than adjacent next photovoltaic board group and is gone up, is equipped with the special composite beam of multichannel fixed photovoltaic board group on the roof, photovoltaic board group include a plurality of photovoltaic module of arranging along transversely, be equipped with drainage and support photovoltaic module's special longeron between the two adjacent photovoltaic module, the upper and lower end of special longeron, photovoltaic module's upper and lower end are connected on rather than the special composite beam that corresponds.
Further, the front end face of the special composite beam is provided with a front convex front edge table, the rear end face of the special composite beam is provided with a rear convex rear edge table, the front edge table is lower than the rear edge table, the rear edge table of the front special composite beam is lower than the front edge table of the rear special composite beam adjacent to the front edge table, the upper end of the special longitudinal beam and the upper end of the photovoltaic module are connected with the front edge table of the corresponding special composite beam on the upper side of the special longitudinal beam, the lower end of the special longitudinal beam and the lower end of the photovoltaic module are connected with the rear edge table of the corresponding special composite beam on the lower side of the special longitudinal beam, and the side edges of the photovoltaic module are lapped on the special longitudinal beam.
Further, the upper photovoltaic plate group is not contacted with the lower photovoltaic plate group, and the lower frame of the upper photovoltaic plate group covers the upper frame of the lower photovoltaic plate group.
Furthermore, the bottom sides of the upper frame and the lower frame of the photovoltaic module are provided with connecting frames, and the connecting frames are connected to the special composite cross beam through fastening fasteners.
Further, special longeron be extrusion's alloy ex-trusions, first water drainage tank, connection platform, baffle, the second water drainage tank that special longeron was equipped with, the baffle is in the centre department of special longeron, first water drainage tank is in the baffle outside, the connection platform is in first water drainage tank outside, the second water drainage tank is in the connection platform outside, first water drainage tank notch and second water drainage tank notch parallel and level form the overlap joint platform that supports photovoltaic module side, the baffle is higher than first water drainage tank notch, the upper and lower end of connection platform is connected with special compound crossbeam through dismantling the connecting piece.
Furthermore, the front edge table and the rear edge table of the special composite cross beam are provided with sealing filler strips.
Further, the front end of the front edge table is provided with a downward bent front folded edge, and the rear end of the rear edge table is provided with a downward bent rear folded edge.
Further, the back edge stage department be equipped with the locating plate that avoids photovoltaic module landing, the front end of locating plate extends to photovoltaic module front end and contradicts with photovoltaic module front end, the locating plate passes through the fastener to be fixed in back edge stage department.
Roof integration photovoltaic power plant, including foretell novel roof integration photovoltaic distribution structure, still include connecting cable, dc-to-ac converter, collection flow box, switch board.
The beneficial effects of the invention are as follows: by adopting the scheme, the device adopts the technical proposal,
The multi-piece photovoltaic module is closely spliced to form the photovoltaic roofing, has saved traditional waterproof roofing, and photovoltaic module fixes on the support of constituteing by special composite cross beam, special longeron, and special longeron has water drainage tank, can in time drain, compares with current photovoltaic structure of erect, has following advantage:
The cost of roofing materials is saved, and the weight is reduced; repeated construction is avoided;
The indoor installation or maintenance can be realized, and the indoor installation or maintenance is safer and more convenient;
3. The photovoltaic module can be installed next to the roof without maintaining a channel, and the area of the roof can be utilized more effectively.
4. Compared with the traditional roofing, the solar panel paved again has better light transmittance, and the power generation efficiency of the double-sided solar panel with double glass is improved.
Drawings
The foregoing and other objects, features, and advantages of the invention will become apparent from the following detailed description taken in conjunction with the accompanying drawings.
Fig. 1 is a schematic diagram of a prior art structure.
Fig. 2 is a schematic cross-sectional structure of a portion where a dedicated composite beam and a photovoltaic module cooperate in an embodiment of the present invention.
FIG. 3 is a schematic cross-sectional view of a fastening device according to an embodiment of the present invention.
Fig. 4 is a schematic cross-sectional structure of a portion where a dedicated stringer is mated with a photovoltaic module in an embodiment of the present invention.
Fig. 5 is a schematic view of a novel roof integrated photovoltaic distribution structure according to an embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a roof-integrated photovoltaic power plant according to an embodiment of the present invention.
Fig. 7 is a schematic cross-sectional view of a fastening device according to another embodiment of the present invention.
Wherein: 1 is a photovoltaic module, 11 is a connecting frame, 2 is a special longitudinal beam, 21 is a first drainage groove, 22 is a connecting table, 23 is a partition plate, 24 is a second drainage groove, 3 is a special composite cross beam, 31 is a front edge table, 32 is a rear edge table, 4 is a backing strip, 5 is a fastening plate, 6 is a fastening nut, 7 is a photovoltaic bracket, 8 is a cable, and 9 is a bus box.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Example 1: referring to fig. 2-5, the novel roof integrated photovoltaic distribution structure comprises a plurality of groups of photovoltaic panel groups distributed up and down along a roof inclined plane, wherein each photovoltaic panel group comprises a plurality of photovoltaic assemblies 1 distributed transversely, special stringers 2 for draining and supporting the photovoltaic assemblies 1 are arranged between the two adjacent photovoltaic assemblies 1, a plurality of special composite cross beams 3 for fixing the photovoltaic panel groups are arranged on the roof, the upper end and the lower end of each special stringer 2 and the upper end and the lower end of each photovoltaic assembly are connected to the corresponding special composite cross beam 3, the lower end of the upper photovoltaic panel group is covered on the upper end edge of the next adjacent photovoltaic panel group, an overlapping area is formed between the two adjacent photovoltaic panel groups, the distribution structure is formed, the plurality of groups of photovoltaic panel groups are integrated, a conventional roof structure can be replaced, the building cost of a house, especially a large-scale factory building can be reduced, and the connecting lines of the photovoltaic assemblies can be distributed and maintained from the inside of the building, so that the service life of electric devices and cables is greatly prolonged, and the maintenance cost of a system is reduced.
Specifically, referring to fig. 2, the photovoltaic module 1 has a frame with a conventional structure, and the bottoms of the upper frame and the lower frame are provided with L-shaped connecting frames 11, preferably, the connecting frames 11, the upper frame and the lower frame are in an integrated structure, the front end surface of the special composite beam 3 is provided with a front convex front edge table 31, the rear end surface of the special composite beam 3 is provided with a rear convex rear edge table 32, the front edge table 31 is lower than the rear edge table 32, the rear edge table 32 of the front special composite beam 3 is lower than the front edge table 31 of the rear special composite beam 3 adjacent to the front special composite beam 3, the upper end of the special longitudinal beam 2, the upper frame of the photovoltaic module 1 and the front edge table 31 of the corresponding special composite beam 3 on the upper side of the special longitudinal beam 2 are connected, the lower end of the special longitudinal beam 2 and the lower frame of the photovoltaic module 1 are connected with the rear edge table 32 of the corresponding to the corresponding special composite beam 3 on the lower side of the special longitudinal beam 1, the upper end and the lower end of each special longitudinal beam 2 and each photovoltaic module 1 are fixedly supported by two special composite cross beams 3, so that the special longitudinal beams 2 and the photovoltaic modules 1 are fixedly and firmly fixed, a plurality of special composite cross beams 3 distributed up and down are used for fixing a plurality of groups of photovoltaic panel groups, the side edges of the photovoltaic modules 1 are lapped on the special longitudinal beams 2, the special longitudinal beams 2 are arranged between two adjacent photovoltaic modules 1, the side edges are supported and sealed, a plurality of photovoltaic panel groups form a finished roof, the special composite cross beams 3 replace the roof beams, the photovoltaic modules 1 replace the roof tiles, the distribution structure does not need the roof, the special composite cross beams 3 do not need to be fixed on the roof, the house structure is simplified, and the cost is reduced.
The upper photovoltaic panel group and the lower photovoltaic panel group are not contacted, the lower frame of the upper photovoltaic module 1 is covered above the upper frame of the lower photovoltaic module 1, and the overlapping areas of the two adjacent photovoltaic modules 1 are frames, so that the practical power generation area of the photovoltaic modules is maximized, the utilization rate of the photovoltaic distributed power station in a roof is greatly improved, the utilization rate of the photovoltaic distributed power station can be improved to more than 90% from 60% compared with that of a common roof power station, and the roof load is greatly reduced due to the fact that the original roof structure is removed.
Specifically, referring to fig. 3, the connection frame 11 is connected to the special composite beam 3 through a C-shaped solid piece, the front end of the front edge table 31 is bent downwards to form a front folded edge, the front folded edge forms a 90 ° angle with the front edge table 31, the rear end of the rear edge table 32 is bent downwards to form a rear folded edge, the rear folded edge forms a 90 ° angle with the rear edge table, the C-shaped fastening fastener comprises a C-shaped fastening plate 5 and a fastening nut 6 on the fastening plate, the upper end of the fastening plate 5 is fastened at the connection frame 11, the lower end of the fastening plate 5 is fastened at the front folded edge or the rear folded edge, the front folded edge or the rear folded edge can be effectively matched with the fastening plate to form stable locking, the fastening nut 6 is in threaded fit with the bottom side of the fastening plate 5, the top end of the fastening nut 6 is abutted against the front edge table 31 or the bottom end of the rear edge table 32 on the inner side of the folded edge, the fastening nut 6 is screwed to realize the connection and fixation of the photovoltaic module 1 and the special composite beam 3, meanwhile, as the side edges of the photovoltaic module 1 are lapped on the special longitudinal beam 2, after the upper end and the lower end of the photovoltaic module 1 are fastened, the side edges of the photovoltaic module 1 are simultaneously pressed on the special longitudinal beam 2, the fastening fastener is fastened and locked with the special composite cross beam at the bottom of the photovoltaic module 1, the operation is convenient, the special composite cross beam 3 is convenient to assemble and disassemble, the front edge table 31 and the rear edge table 32 are provided with sealing filler strips 4, the filler strips 4 are used for filling the height difference between the bottom of the photovoltaic module 1 and the upper surfaces of the front edge table 31 and the rear edge table 32, the contact surface is sealed, the waterproof performance is improved, the roof is of an inclined surface structure, the surface of the photovoltaic module 1 can be drained in time when the photovoltaic module 1 is in rain, the contact surface between the photovoltaic module 1 and the front edge table 31 and the rear edge table 32 is sealed, and water leakage between the upper adjacent photovoltaic module 1 and the lower adjacent photovoltaic module 1 can be avoided.
Specifically, referring to fig. 4, special longeron 2 is extrusion molding's alloy section bar, the first water drainage tank 21 that special longeron 2 was equipped with, the connection platform 22, baffle 23, second water drainage tank 24, baffle 23 is in the intermediate position of special longeron, special longeron 2 is for being bilateral symmetry's structure about baffle 23, first water drainage tank 21 is in the baffle 23 outside, connection platform 22 is in first water drainage tank 21 outside, second water drainage tank 24 is in the connection platform 22 outside, first water drainage tank 21 notch and the notch parallel and level of second water drainage tank 24 form the overlap joint platform that supports photovoltaic module 1 side, baffle 23 is higher than the notch of first water drainage tank 21, the connection platform 22 department is connected with leading edge platform 31, the trailing edge platform 32 of special compound crossbeam 3 through the screw, connect easy operation, baffle 23 is used for with the intermediate position that separates two adjacent photovoltaic module 1, the overlap joint of the special longeron 2 of two adjacent photovoltaic module 1 is on the overlap joint platform of baffle 23 both sides, realize the support of special longeron 2 side, photovoltaic module 1 side outer terminal surface is gone into by this department when the frame laminating of side of photovoltaic module 1 side and baffle 23 and rain down, can form the overlap joint platform that the rainwater can flow into by this department, the first water drainage tank 21 can be in the water drainage tank 22, the water drainage tank 22 can be avoided the water drainage tank is formed by the second water drainage tank 22 to the high drainage tank 2, the water drainage tank is formed by the second water drainage tank 2, the water drainage tank is connected with the water drainage tank is more than the water drainage tank 2, and can be connected with the water drainage tank 2, and the water drainage tank is connected to the water drainage tank is more than the water drainage tank.
This photovoltaic distribution structure adopts the fixed knot who constitutes of special compound crossbeam 3, special longeron 2 to replace traditional roof material through the concatenation of multi-disc photovoltaic module (solar cell panel), material saving and cost, weight saving, photovoltaic module is being installed next, need not keep the maintenance passageway on the roofing, can more effectively utilize the roofing area, compare current photovoltaic distribution structure or erect the structure, the effective illumination area of showing has been increased, the improvement electricity generation utilization ratio, this structure can be inside maintenance, it is safer convenient, the maintenance passageway of roofing has been removed from, can also increase the light transmissivity, effectively utilize the improvement of double-sided panel generating efficiency of dual glass.
Referring to fig. 6, the roof integrated photovoltaic power plant, including foretell novel roof integrated photovoltaic distribution structure, still include connecting cable 8, dc-to-ac converter (not shown), collection flow box 9, switch board (not shown), a plurality of photovoltaic modules pass through connecting cable 8 and connect collection flow box 9, reintroduce the dc-to-ac converter, then introduce the switch board, this photovoltaic power plant has the power generation area big, advantage that generating efficiency is high.
Example 2: the difference between this embodiment and embodiment 1 is that, referring to fig. 7, in this embodiment, the location board 10 for avoiding the photovoltaic module from sliding is disposed at the back edge stage 32, the front end of the location board 10 extends to the front end of the photovoltaic module, and the front end of the location board 10 is bent upwards to collide with the front end of the photovoltaic module, the rear end of the location board 10 extends to the back edge and is bent downwards to be attached to the back edge, and the rear end of the location board 10 is connected to the back edge by a screw, the location board 10 is effectively fixed on the back edge, and the location board 10 can avoid the photovoltaic module from sliding downwards to play a reliable location role.
The foregoing description is only a preferred embodiment of the present invention, and is not intended to limit the invention in any way, but any simple modification or equivalent variation of the above embodiment according to the technology of the present invention falls within the scope of the present invention.
Claims (8)
1. Novel roof integration photovoltaic distribution structure, its characterized in that: the photovoltaic panel assembly comprises a plurality of photovoltaic panel assemblies which are distributed up and down along a roof inclined plane, wherein the lower end edge of the upper photovoltaic panel assembly is covered on the upper end edge of the next adjacent photovoltaic panel assembly, a plurality of special composite cross beams for fixing the photovoltaic panel assemblies are arranged on the roof, each photovoltaic panel assembly comprises a plurality of photovoltaic assemblies which are distributed transversely, special longitudinal beams for draining water and supporting the photovoltaic assemblies are arranged between the two adjacent photovoltaic assemblies, and the upper end and the lower end of each special longitudinal beam and the upper end and the lower end of each photovoltaic assembly are connected to the corresponding special composite cross beams;
The special longitudinal beam is an alloy section bar of extrusion molding, the special longitudinal beam is provided with a first drainage groove, a connecting table, a partition plate and a second drainage groove, the partition plate is positioned in the middle of the special longitudinal beam, the first drainage groove is positioned in the outer side of the partition plate, the connecting table is positioned in the outer side of the first drainage groove, the second drainage groove is positioned in the outer side of the connecting table, a lap joint table for supporting the side edge of the photovoltaic module is formed by the notch of the first drainage groove and the notch of the second drainage groove in parallel and level, the partition plate is higher than the notch of the first drainage groove, and the upper end and the lower end of the connecting table are connected with the special composite cross beam through detachable connecting pieces.
2. The novel roof integrated photovoltaic distribution structure of claim 1, wherein: the front end face of the special composite beam is provided with a front convex front edge table, the rear end face of the special composite beam is provided with a rear convex rear edge table, the front edge table is lower than the rear edge table, the rear edge table of the front special composite beam is lower than the front edge table of the rear special composite beam adjacent to the front edge table, the upper end of the special longitudinal beam and the upper end of the photovoltaic module are connected with the front edge table of the corresponding special composite beam on the upper side of the special longitudinal beam, the lower end of the special longitudinal beam and the lower end of the photovoltaic module are connected with the rear edge table of the corresponding special composite beam on the lower side of the special longitudinal beam, and the side edges of the photovoltaic module are lapped on the special longitudinal beam.
3. The novel roof integrated photovoltaic distribution structure of claim 1, wherein: the upper photovoltaic plate group is not contacted with the lower photovoltaic plate group, and the lower frame of the upper photovoltaic plate group covers the upper frame of the lower photovoltaic plate group.
4. The novel roof integrated photovoltaic distribution structure of claim 1, wherein: the photovoltaic module is characterized in that connecting frames are arranged at the bottoms of the upper frame and the lower frame of the photovoltaic module, and the connecting frames are connected to the special composite cross beam through fastening fasteners.
5. The novel roof integrated photovoltaic distribution structure of claim 2, wherein: the front edge table and the rear edge table of the special composite cross beam are respectively provided with a sealed filler strip.
6. The novel roof integrated photovoltaic distribution structure of claim 2, wherein: the front end of the front edge table is provided with a front folded edge which is bent downwards, and the rear end of the rear edge table is provided with a rear folded edge which is bent downwards.
7. The novel roof integrated photovoltaic distribution structure of claim 2, wherein: the photovoltaic module is characterized in that a locating plate for preventing the photovoltaic module from sliding off is arranged at the position of the back edge stage, the front end of the locating plate extends to the front end of the photovoltaic module and is abutted against the front end of the photovoltaic module, and the locating plate is fixed at the position of the back edge stage through a fastener.
8. Roof integration photovoltaic power plant, including novel roof integration photovoltaic distribution structure according to any one of claims 1-7, characterized by still including connecting cable, dc-to-ac converter, collection flow box, switch board.
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| CN202210012001 | 2022-01-06 | ||
| CN2022100120012 | 2022-01-06 |
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| CN114704032A CN114704032A (en) | 2022-07-05 |
| CN114704032B true CN114704032B (en) | 2024-06-07 |
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