CN115306091A - Building integrated photovoltaic system - Google Patents
Building integrated photovoltaic system Download PDFInfo
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- CN115306091A CN115306091A CN202210908977.8A CN202210908977A CN115306091A CN 115306091 A CN115306091 A CN 115306091A CN 202210908977 A CN202210908977 A CN 202210908977A CN 115306091 A CN115306091 A CN 115306091A
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- guide beam
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 216
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 44
- 239000010959 steel Substances 0.000 claims abstract description 44
- 238000003860 storage Methods 0.000 claims abstract description 9
- 238000003825 pressing Methods 0.000 claims description 23
- 230000003014 reinforcing effect Effects 0.000 claims description 16
- 230000010354 integration Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 12
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 16
- 230000000052 comparative effect Effects 0.000 description 8
- 238000013461 design Methods 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 229910021419 crystalline silicon Inorganic materials 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002390 adhesive tape Substances 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 150000003376 silicon Chemical class 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Images
Classifications
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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
- E04D13/0445—Drainage channels
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S20/00—Supporting structures for PV modules
- H02S20/20—Supporting structures directly fixed to an immovable object
- H02S20/22—Supporting structures directly fixed to an immovable object specially adapted for buildings
- H02S20/23—Supporting structures directly fixed to an immovable object specially adapted for buildings specially adapted for roof structures
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S20/00—Supporting structures for PV modules
- H02S20/20—Supporting structures directly fixed to an immovable object
- H02S20/22—Supporting structures directly fixed to an immovable object specially adapted for buildings
- H02S20/26—Building materials integrated with PV modules, e.g. façade elements
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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]
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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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
Abstract
A building integrated photovoltaic system is arranged on a steel frame system, is provided with a plurality of photovoltaic modules, and further comprises a plurality of longitudinal water guide beam groups and a plurality of transverse water guide plate groups; the longitudinal water guide beam groups are fixed on the steel frame system at intervals along the transverse direction and are provided with first water guide grooves, the transverse water guide plate groups are arranged above the longitudinal water guide beam groups at intervals along the longitudinal direction and are provided with second water guide grooves, the second water guide grooves are communicated with the first water guide grooves, and a plurality of storage frames distributed in an array are formed between the longitudinal water guide beam groups and the transverse water guide plate groups; the photovoltaic modules are respectively and fixedly arranged in the corresponding storage frames. The invention has the advantages of high part universality, convenient construction, high efficiency and good waterproof effect.
Description
Technical Field
The invention relates to the field of building integrated photovoltaics, in particular to a BIPV (building integrated photovoltaic) roof system.
Background
Building-integrated photovoltaics is a technology that combines or integrates photovoltaic power generation products with buildings. The building integrated photovoltaic has various forms, wherein a crystalline silicon common photovoltaic component is used as a building roof to replace roof tiles, particularly color steel tiles, and the crystalline silicon common photovoltaic component is one of the forms of building integrated photovoltaic. The roof tile is an economic selection scheme for old roofs and building roofs of roof boards (tiles) to be updated, and the old roofs and building roofs to be built are provided, so that the photovoltaic power stations are built, and the roofs are updated or sealed at the same time, so that the photovoltaic power stations are applied to industrial and commercial roofs to a certain extent at present. Along with the reduction of crystal silicon class subassembly and corollary equipment cost, this kind of building integrated photovoltaic form has very big development space.
The photovoltaic building integrated roof power station using the crystalline silicon common photovoltaic module has a lot of exploration on structural forms, support systems and the like in the industry, wherein the structural application of the photovoltaic building integrated roof power station formed by longitudinal and transverse water tanks and component supports accounts for the majority; the schemes have certain defects, including the lapping problem of the photovoltaic roof and a building group, or the defects of insufficient connection strength (especially insufficient wind resistance) of the components, or excessively complex integral structure, high installation difficulty, or risk of water leakage and the like.
Disclosure of Invention
The invention mainly aims to overcome the defects that the integral structure of the existing photovoltaic building integrated roof is too complex, the installation difficulty is high, or water is leaked, and provides a building integrated photovoltaic system which is high in part universality, convenient and fast to construct, high in efficiency and good in waterproof effect.
The invention adopts the following technical scheme:
the utility model provides a building integration photovoltaic system installs on the steelframe system, is equipped with a plurality of photovoltaic module, its characterized in that: the water distributor also comprises a plurality of longitudinal water guide beam groups and a plurality of transverse water guide plate groups; the longitudinal water guide beam groups are fixed on the steel frame system at intervals along the transverse direction and are provided with first water guide grooves, the transverse water guide plate groups are arranged above the longitudinal water guide beam groups at intervals along the longitudinal direction and are provided with second water guide grooves, the second water guide grooves are communicated with the first water guide grooves, and a plurality of storage frames distributed in an array are formed between the longitudinal water guide beam groups and the transverse water guide plate groups; the photovoltaic modules are respectively and fixedly arranged in the corresponding storage frames.
Preferably, the longitudinal water guide beam group comprises a plurality of water guide beams which are arranged longitudinally, and adjacent water guide beams are connected in an overlapping manner; the water guiding beam comprises a first bottom wall and two first side walls, the two first side walls extend upwards and incline outwards along two sides of the first bottom wall respectively, and the first bottom wall and the two first side walls form the first water guiding groove. Preferably, the two sides of the first bottom wall are provided with folding edges which are inclined upwards or downwards, and the top end of the first side wall is also provided with a reinforcing edge which is bent outwards.
Preferably, the first bottom wall comprises a first bottom part and a second bottom part which are parallel to each other, the first bottom part and the second bottom part are connected through the folded edge, and the reinforced edge is parallel to the first bottom part and the second bottom part.
Preferably, the two first side walls respectively form an included angle with the same degree with the first bottom wall, and the two folded edges respectively form an included angle with the same degree with the two second bottoms connected with the two folded edges.
Preferably, the longitudinal water guiding beam group is fixed with the steel frame system through a plurality of first fixing pieces, each first fixing piece comprises a bottom plate, two side plates and two reinforcing plates, the bottom plate is fixed with the steel frame system through a locking piece, the two side plates are connected with the top surface of the bottom plate and form a fixing groove with the top surface of the bottom plate, and the fixing groove is sleeved on the periphery of the longitudinal water guiding beam group and is fixedly connected with the longitudinal water guiding beam group through the locking piece; the two reinforcing plates are respectively connected between the outer wall of the corresponding side plate and the bottom plate.
Preferably, the photovoltaic module is fixed with the longitudinal water guiding beam group through a plurality of second fixing pieces; the second fixing piece comprises a base plate, a connecting piece and a pressing block, the base plate is fixed on the top surface of the longitudinal water guide beam through a locking piece, one end of the connecting piece is fixedly connected with the base plate, the other end of the connecting piece is fixedly connected with the pressing block, and a clamping groove is formed between the pressing block and the base plate; the side edge of the photovoltaic module is embedded in the clamping groove to realize fixation.
Preferably, the water distributor further comprises a plurality of cover plates, and the cover plates are arranged above the corresponding longitudinal water guide beam groups at intervals along the transverse direction and are in snap fit with the pressing blocks of the second fixing pieces.
Preferably, the transverse water guide plate group comprises a plurality of water guide plates which are arranged at intervals along the transverse direction, and two ends of each water guide plate are respectively placed above the corresponding two longitudinal water guide beam groups; the water guide plate comprises a second bottom wall and two second side walls, wherein two ends of the bottom wall are provided with concave flow guide parts, the two second side walls extend upwards along two sides of the second bottom wall, and the second bottom wall and the two second side walls form the second water guide groove; or the second water chute is also provided with a waterproof strip which is sleeved on the periphery of the corresponding side of the photovoltaic module.
Preferably, the water guide device also comprises a plurality of middle guide rails which are distributed at intervals along the transverse direction and are respectively positioned between two adjacent longitudinal water guide beams; the top of the middle guide rail is abutted and contacted with the bottom of the transverse water guide plate group, and the bottom of the middle guide rail is fixedly connected with the steel frame system through a locking piece.
Preferably, the device also comprises a plurality of flashing plates and a plurality of color steel plates; the plurality of flashing plates are arranged between the end parts of two adjacent longitudinal water guide beam groups, the bottom surface of one end of each flashing plate is fixedly provided with a cushion pipe to be positioned at the top part of the corresponding longitudinal water guide beam, the other end of each flashing plate is lapped on the top surface of a color steel plate, and the color steel plate is fixedly connected with the steel frame system; or the roof system further comprises a ridge cover plate, the ridge cover plate is located at the ridge of the steel frame system, two ends of the ridge cover plate are located in the second water guide grooves, and the roof system is achieved by pressing two ends of the ridge cover plate through an overhaul pedal or a photovoltaic assembly.
As can be seen from the above description of the present invention, compared with the prior art, the present invention has the following advantages:
1. in the invention, a plurality of longitudinal water guide beam groups and a plurality of transverse water guide plate groups are arranged; the plurality of longitudinal water guide beam groups are fixed on a steel frame system at transverse intervals and provided with first water guide grooves, the plurality of transverse water guide plate groups are arranged above the longitudinal water guide beam groups at longitudinal intervals and provided with second water guide grooves communicated to the first water guide grooves, the plurality of photovoltaic modules are respectively and fixedly placed on object placing frames formed between the longitudinal water guide beam groups and the transverse water guide plate groups, and the photovoltaic module is high in part universality, convenient and efficient to construct and good in waterproof effect.
2. In the invention, the adjacent water guide beams of the longitudinal water guide beam group are connected in a lap joint manner, so that the construction is easy, the requirement on the installation precision is not high, and the water leakage phenomenon at the lap joint can be avoided; the first water chute of the water guide beam is similar to a V shape, so that the water discharge can be increased, and the phenomenon of overflow and water leakage caused by large-flow water can be prevented; the first diapire of water conservancy diversion roof beam is equipped with the hem of upwards or downward sloping, and the hem can play the effect of strengthening rib and the cooperation increases first diapire thickness and increases its intensity. The top end of the first side wall is also provided with a reinforcing edge which is bent outwards, so that the strength of the whole water guide beam is increased.
3. According to the invention, the longitudinal water guide beam group is fixed with the steel frame system through the first fixing piece which is arranged into a conformal structure to fix the water guide beam, and meanwhile, the strength of the whole system is enhanced; the photovoltaic module is fixed with the longitudinal water guide beam group through the second fixing piece, portable installation can be achieved, and the cushion plate prevents water from leaking due to the fact that flowing water penetrates and impacts the side wall through the structures shaped like Chinese characters 'ji' at the two ends of the cushion plate; the cover plate is arranged at the upper end of the pressing block to reduce the seepage of running water and the blockage of the water guide beam caused by the falling of impurities.
4. According to the invention, the transverse water guide plate assembly is provided with the plurality of water guide plates, the end parts of the water guide plates are provided with the flow guide parts, flowing water is guided to flow to the first water guide groove, the problem of water leakage caused by reverse connection of the flowing water along the water guide plates is avoided, and the water guide plates are provided with the waterproof strips to realize multiple waterproof and convenient construction.
5. In the invention, the plurality of intermediate guide rails are arranged and distributed at intervals along the transverse direction and are respectively positioned between two adjacent longitudinal water guide beams to be used as supports, so that the problems of insufficient component strength and the like caused by the length of the components are solved, and the convenience in construction and installation of the photovoltaic components can be enhanced.
6. According to the invention, the plurality of flashing plates and the plurality of color steel plates are arranged, so that the photovoltaic combination edge-covering waterproof effect is realized, the service lives of buildings and photovoltaic modules are prolonged, the photovoltaic combination edge-covering waterproof structure is suitable for roofs in various environments, and the cost and the period caused by construction classification and production classification are reduced; the photovoltaic module or the maintenance pedal is fixed to compress the ridge cover plate, so that a fixing effect is achieved, and the construction convenience is greatly improved; in addition, a ridge cover plate, a waterproof strip and a water guide plate are matched with an overhaul pedal or a photovoltaic module to realize multiple waterproof effects.
Drawings
FIG. 1 is a partial block diagram of the present invention;
FIG. 2 is a partial block diagram of the present invention (with the photovoltaic module removed);
FIG. 3 is a view of the water guide beam;
FIG. 4 is a schematic diagram of two water guiding beams overlapping;
FIG. 5 illustrates the water guiding beam fixed to the steel frame system by a first fixing member;
FIG. 6 shows the photovoltaic module engaged with a second fastener;
FIG. 7 is a view showing the structure of a water guide panel;
fig. 8 is a matching view of the photovoltaic module and the water deflector;
FIG. 9 shows the intermediate rail positioned between the water deflectors and the steel frame system;
FIG. 10 is a flashing plate connected between a color steel tile and a water guide beam;
FIG. 11 is a schematic view of a ridge of the system of the present invention;
FIG. 12 is an installation schematic of the present invention;
FIG. 13 is an enlarged view of a portion of FIG. 12;
FIG. 14 is a schematic view of the installation of the present invention (placing photovoltaic modules);
FIG. 15 is an enlarged partial view of FIG. 14;
FIG. 16 is an installation view of the present invention (with color steel tiles added);
FIG. 17 is an enlarged view of a portion of FIG. 16;
wherein:
10. the photovoltaic module comprises a photovoltaic module 11, a second fixing piece, 12, a backing plate, 13, a connecting piece, 14, a pressing block, 16, a cover plate, 20, a longitudinal water guide beam group, 21, a first water guide groove, 22, an object placing frame, 23, a water guide beam, 24, a first bottom wall, 241, a first bottom, 242, a second bottom, 25, a first side wall, 26, a folded edge, 27, a reinforced edge, 28, a first fixing piece, 28a, a bottom plate, 28b, a side plate, 28c, a reinforced plate, 29, a locking piece, 30, a transverse water guide plate group, 31, a second water guide groove, 32, a water guide plate, 33, a second bottom wall, 34, a second side wall, 35, a flow guide part, 36, a waterproof strip, 40, a steel frame system, 41, a purlin, 50, a middle guide rail, 60, a flashing plate, 61, a cushion pipe, 70, a color steel plate, 80, a ridge cover plate, 81 and a sealing sheet.
Detailed Description
The invention is further described below by means of specific embodiments.
The terms "first", "second", and the like, appearing in the present invention are for convenience of description only to distinguish different constituent elements having the same name, and do not indicate precedence or primary relationship.
In the description of the present invention, the directions or positional relationships indicated by "upper", "lower", "left", "right", "front", and "rear", etc. are used as the directions or positional relationships shown in the drawings, and are only for convenience of description of the present invention, and do not indicate or imply that the device referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the scope of the present invention.
Referring to fig. 1 to 14, a building integrated photovoltaic system is mounted on a steel frame system 40, and is provided with a plurality of photovoltaic modules 10, a plurality of longitudinal water guiding beam groups 20, and a plurality of transverse water guiding plate groups 30. The steel frame system 40 may have an outer frame and a plurality of purlines 41, and the purlines 41 are connected in the outer frame in a criss-cross manner, thereby forming a frame structure. The plurality of longitudinal water guide beam groups 20 are fixed on the steel frame system 40 at intervals along the transverse direction and are provided with first water guide grooves 21, the plurality of transverse water guide plate groups 30 are arranged above the longitudinal water guide beam groups 20 at intervals along the longitudinal direction and are provided with second water guide grooves 31, the second water guide grooves 31 are communicated with the first water guide grooves 21, and a plurality of storage frames 22 distributed in an array are formed between the plurality of longitudinal water guide beam groups 20 and the plurality of transverse water guide plate groups 30; the photovoltaic modules 10 are respectively and fixedly placed in the corresponding storage frames 22.
Referring to fig. 3 to 4, each longitudinal water guiding beam group 20 includes a plurality of water guiding beams 23 arranged in a longitudinal direction, and adjacent water guiding beams 23 are connected by overlapping, and when overlapping, the overlapping amount between adjacent water guiding beams 23 can be adjusted according to actual conditions, which is not limited herein. The water guiding beam 23 can be located between two adjacent photovoltaic modules 10, and includes a first bottom wall 24 and two first side walls 25, the two first side walls 25 extend upwards and incline outwards along two sides of the first bottom wall 24, the first bottom wall 24 and the two first side walls 25 form a first water guiding groove 21, the first water guiding groove 21 is similar to a V shape, the water drainage amount can be increased, and the phenomenon of water leakage caused by overflow of large-flow flowing water can be prevented. Form the V-arrangement structure through these two first lateral walls 25 and first diapire 24, these two first lateral walls 25 form the contained angle of the same number of degrees respectively with between the first diapire 24, and under this condition, the V-arrangement structure that forms between first lateral wall 25 and the first diapire 24 has stronger intensity to under the prerequisite that plays very good guide effect to the flowing water, can reach fine water storage effect, increase the displacement. Two first diapire 24 overlap joints between the adjacent water conservancy diversion roof beam 23, both sides wall overlap joint also, and easily construction and installation accuracy are high, can also avoid the overlap joint phenomenon of leaking.
Furthermore, the two sides of the first bottom wall 24 are provided with the folding edges 26 which incline upwards or downwards, the first bottom wall 24 comprises a first bottom 241 and a second bottom 242 which are parallel to each other, the second bottom 242 is located on the two sides of the first bottom 241, the first bottom 241 and the second bottom 242 are connected through the folding edges 26, the two folding edges 26 respectively form included angles with the same degree between the two second bottoms 242 which are connected with the two folding edges 26, and the folding edges 26 can play a role of reinforcing ribs and are matched with the first bottom wall 24 to increase the thickness of the first bottom wall 24 so as to increase the strength of the first bottom wall. The top end of the first side wall 25 is further provided with a reinforcing edge 27 bent outwards, and the reinforcing edge 27 is parallel to the first bottom 241 and the second bottom 242, that is, the reinforcing edge 7 extends outwards parallel to the first bottom 241 and the second bottom 242, so as to play a role in supporting and fixing, and thus, the strength of the whole water guide beam 23 is increased. Referring to fig. 5, the longitudinal water guiding beams 20 are fixed to the steel frame system 40 by a plurality of first fixing members 28. Specifically, the first fixing member 28 includes a bottom plate 28a, two side plates 28b and two reinforcing plates 28c, and the bottom plate 28a is fixed to the steel frame system 40 by a locking member 29, that is, locked to the purlin 41 by screws. The two side plates 28b are connected to the top surface of the bottom plate 28a and form fixing grooves, the shape of which is adapted to the shape of the water guide beam 23. The fixing groove is sleeved on the periphery of the longitudinal water guiding beam group 20 and is fixedly connected through a locking piece 29, i.e. the top of the fixing groove is fixedly connected with the reinforcing edge 27 of the first side wall 25 through a screw. The two reinforcing plates 28c are connected between the outer walls of the corresponding side plates 28b and the bottom plate 28a for increasing the overall strength of the first fixing member 28.
Referring to fig. 6, the photovoltaic module 10 is fixed to the longitudinal water guiding beam group 20 by a plurality of second fixing members 11. Specifically, the second fixing member 11 includes a backing plate 12, a connecting member 13 and a pressing block 14, the backing plate 12 is fixed to the top surface of the longitudinal water guide beam set 20 through a locking member 29, one end of the connecting member 13 is fixedly connected to the backing plate 12, the other end of the connecting member is fixedly connected to the pressing block 14, and a clamping groove is formed between the pressing block 14 and the backing plate 12. The side of the photovoltaic module 10 is embedded in the clamping groove to realize fixation. The traditional fixing mode of the T-shaped bolt T-shaped module is eliminated, and the convenience of construction is improved.
In addition, the two sides of the backing plate 12 can be provided with a structure shaped like a Chinese character 'ji', which can prevent the phenomenon of water leakage caused by the impact of flowing water on the side wall, the connecting piece 13 can be connected between the middle part of the backing plate 12 and the middle part of the pressing block 14, two symmetrical clamping grooves can be formed among the pressing block 14, the connecting piece 13 and the backing plate 12, and the opposite sides of two adjacent photovoltaic modules 10 are respectively embedded in the two clamping grooves.
Further, the water guide device further comprises a plurality of cover plates 16, and the plurality of cover plates 16 are arranged above the corresponding longitudinal water guide beam groups 20 at intervals along the transverse direction and are in snap fit with the pressing blocks 14 of the plurality of second fixing pieces 11. Wherein, can set up the profile on apron 16 and briquetting 14 respectively, realize the buckle cooperation through the profile, adopt two-way buckle, do benefit to installation and later stage and dismantle the maintenance. The cover plate 16 can shield the connection matching part of the pressing block 14 and the photovoltaic module 10, and reduce the blockage of the water guide beam 23 caused by the infiltration of running water and the falling of impurities.
Referring to fig. 7 and 8, the transverse water guide plate group 30 includes a plurality of water guide plates 32 arranged at intervals in the transverse direction, two ends of each water guide plate 32 are respectively placed above two corresponding longitudinal water guide beam groups 20, and the water guide plates 32 may be located between two longitudinally adjacent photovoltaic modules 10. The water guide plate 32 includes a second bottom wall 33 and two second side walls 34, and two ends of the bottom wall are provided with recessed guiding portions 35 for guiding the flowing water to flow toward the first water guide channel 21, so as to avoid the problem of water leakage caused by the flowing water flowing along the water guide plate 32 in reverse order. The two second side walls 34 extend upwards along two sides of the second bottom wall 33, and the second bottom wall 33 and the two second side walls 34 form the second water chute 31.
Further, a waterproof strip 36 is further arranged on the second water chute 31, the waterproof strip 36 is sleeved on the periphery of the corresponding side of the photovoltaic module 10, and the waterproof strip 36 includes a T-shaped waterproof strip or an L-shaped waterproof strip. Multiple waterproofing is achieved by the water deflector 32 in conjunction with the flashing strip 36.
Furthermore, the photovoltaic module further comprises a plurality of middle guide rails 50 as auxiliary supports, wherein the middle guide rails 50 are distributed at intervals along the transverse direction and are respectively positioned between two adjacent longitudinal water guide beam groups 20, so that the convenience of construction and installation of the photovoltaic module 10 can be enhanced, and the problems of insufficient support strength and the like caused by too long length of the photovoltaic module 10 can be avoided; the top of the intermediate rail 50 is in abutting contact with the bottom of the transverse water deflector group 30, and the bottom is fixedly connected with the purline 41 of the steel frame system 40 through the locking piece 29.
Further, referring to fig. 10, a plurality of flashing plates 60 and a plurality of color plates 70 are included as the edge covering structure of the system of the present invention. The plurality of flashing plates 60 are installed between the ends of the adjacent two longitudinal water guiding girder groups 20. Namely, for the parts of the two end parts of the longitudinal water guiding beam group 20 extending to the outer side of the array of the photovoltaic module 10, the flashing plates 60 can be installed to realize the edge-covering waterproof effect, so that the service life of the building and the photovoltaic module 10 is prolonged. The bottom surface of one end of the flashing board 60 is fixed with a cushion pipe 61 to be positioned at the top of the corresponding longitudinal water guide beam set 20, the other end is lapped on the top surface of a color steel plate 70, and the color steel plate 70 is fixedly connected with a purline 41 of the steel frame system 40.
In practical application, the universal flashing plate 60 and the cushion pipe 61 can be adopted to realize standardization, the method is suitable for roofs in various environments, and the cost and the period caused by construction classification and production classification are reduced.
Further, referring to fig. 11, a ridge cover plate 80 is further included, the ridge cover plate 80 is located at the ridge of the steel frame system 40, and two ends of the ridge cover plate 80 are located in the second water chute 31, and the two ends of the ridge cover plate 80 are pressed by the service step or the photovoltaic module 10. In addition, the end of the water guiding beam 23 at the ridge can be sealed by using a sealing sheet 81.
The working principle of the invention is as follows:
referring to fig. 12 and 13, the first fixing members 28 are sequentially fixed on the purlines 41 of the steel frame system 40 according to the design drawing, and then the water guiding beams 23 are placed on the first fixing members 28 and fixed, and the water guiding beams 23 adjacent to each other in the longitudinal direction are lapped, so that after the installation of the longitudinal water guiding beam group 20 is completed, whether the middle guide rail 50 is placed is selected according to actual arrangement to reinforce the strength of the photovoltaic module 10. The water guide plate 32 is placed at a designated position, namely between two adjacent longitudinal water guide beam groups 20, according to the design drawing, after the installation of the transverse water guide plate group 30 is completed, the second fixing member 11 is installed and fixed according to the actual size.
Referring to fig. 14 and 15, the photovoltaic modules 10 are sequentially placed according to the design drawing, the side edges of the photovoltaic modules 10 are embedded into the clamping grooves, and the photovoltaic modules 10 are fixed by pressing blocks 14 and connecting pieces 13 matching with the backing plates 12; placing a T-shaped flashing strip 36 between longitudinally adjacent photovoltaic modules 10; placing an L-shaped adhesive tape between the ridge cover plate 80 and the photovoltaic module 10 or the maintenance footpath, and pressing the ridge cover plate 80 by the photovoltaic module 10; sequentially installing a maintenance walkway and the photovoltaic modules 10 according to a design drawing, and then sequentially installing and fixing the photovoltaic modules 10 in an array manner; finally, the cover plate 16 and the pressing block 14 are elastically buckled.
Referring to fig. 16 and 17, the edge covering system around the photovoltaic system is installed according to the design drawing, the flashing plate 60 is used on the outer side to match with the cushion tube 61 to be lapped on the cushion plate 12 of the second fixing piece 11 on the side edge of the array of the photovoltaic module 10, the fixing is carried out through the pressing block 14 and the connecting piece 13, and finally the overlapping and fixing are carried out with the color steel plate 70.
Compared with the embodiment of the present application, the water guiding beam 23 of the embodiment of the present application is a V-shaped water guiding beam 23 composed of two first side walls 25 and a first bottom wall 24, and the embodiment of the present application has the following advantages compared with the first and second comparative examples:
1. the V-shaped water guide beam 23 of the embodiment of the present application achieves the effect of a reinforcing rib by the folded edge on the first bottom wall 24, so that it has high strength, while the M-shaped water guide beam of the first comparative example has insufficient middle strength and a supporting edge extending downward from the top must be present. Therefore, the structure is complex, the tonnage of the die and the equipment required when the aluminum alloy material is used is large, the requirement on the wall thickness is high, the meter is heavy, and the cost is high. Compared with the M-shaped water guide beam in the first comparative example, the overall stability of the photovoltaic system can be ensured, and at least 25% of sectional materials can be saved;
2. under the condition of the same installation of photovoltaic modules with the same specification, the V-shaped water guide beam 23 in the embodiment of the application can be made of an aluminum alloy material, and in contrast, the section of the M-shaped water guide beam in the first comparative example is large, the water guide beam is mainly made of carbon steel, the weight is large, the manual installation efficiency is low, and the load bearing of a steel frame structure can be saved by nearly 50% in the first embodiment of the application compared with the first comparative example;
3. the cross section of the W-shaped water guide beam in the second comparative example is complex, splicing is difficult to achieve and is waterproof, the length is large, the cost is high, and compared with the aluminum alloy cross section of the W-shaped water guide beam in the second comparative example, the material can be saved by 36% in the embodiment of the application;
4. in terms of construction cost, the V-shaped water guide beam 23 of the embodiment of the present application can be reduced by 15% of cost compared to the W-shaped water guide beam of the second comparative example;
5. in terms of a waterproof structure, the embodiment of the application thoroughly solves the roof leakage risk by vertically stacking and splicing the water guide beams 23, adding the inverted T-shaped and L-shaped adhesive tapes, adding the downward drainage port of the second water guide groove 31 and the bidirectional convenient buckle waterproof cover plate, 99% of rainwater is discharged through the surface of the photovoltaic module 10, and a small amount of rainwater permeates into the water guide beams 23, so that the waterproof effect is achieved in a hundred percent;
6. the embodiment of this application not only reduces construction cycle through the convenient installation form of putting water conservancy diversion roof beam, two pressure ridge apron, three waterproof cover boards of detaining, has also alleviateed the convenience of operations such as later stage fortune dimension.
7. Through standardized form, adopt bed hedgehopping side's pipe cooperation flashing board to accomplish photovoltaic system in steel frame construction overlap joint, reduce construction classification, the categorised problem of production.
The above description is only an embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by using the design concept should fall within the scope of infringing the present invention.
Claims (11)
1. The utility model provides a building integration photovoltaic system installs on the steelframe system, is equipped with a plurality of photovoltaic module, its characterized in that: the water guide plate assembly further comprises a plurality of longitudinal water guide beam groups and a plurality of transverse water guide plate groups; the longitudinal water guide beam groups are fixed on a steel frame system at intervals along the transverse direction and are provided with first water guide grooves, the transverse water guide plate groups are arranged above the longitudinal water guide beam groups at intervals along the longitudinal direction and are provided with second water guide grooves, the second water guide grooves are communicated with the first water guide grooves, and a plurality of storage frames distributed in an array are formed between the longitudinal water guide beam groups and the transverse water guide plate groups; the photovoltaic modules are respectively and fixedly arranged in the corresponding storage frames.
2. The building integrated photovoltaic system of claim 1, wherein: the longitudinal water guide beam group comprises a plurality of water guide beams which are arranged along the longitudinal direction, and the adjacent water guide beams are connected in an overlapping manner; the water guiding beam comprises a first bottom wall and two first side walls, the two first side walls extend upwards and incline outwards along two sides of the first bottom wall respectively, and the first bottom wall and the two first side walls form the first water guiding groove.
3. The building integrated photovoltaic system of claim 2, wherein: the first bottom wall is provided with two upward or downward inclined folded edges at two sides, and the top end of the first side wall is also provided with a reinforcing edge bent outwards.
4. A building integrated photovoltaic system according to claim 3, wherein: the first bottom wall comprises a first bottom and a second bottom which are parallel to each other, the first bottom and the second bottom are connected through the folded edge, and the reinforcing edge is parallel to the first bottom and the second bottom.
5. The building integrated photovoltaic system of claim 4, wherein: the two first side walls form included angles with the same degree between the first bottom walls respectively, and the two folded edges form included angles with the same degree between the two second bottoms connected with the two folded edges respectively.
6. The building integrated photovoltaic system of claim 1, wherein: the longitudinal water guide beam group is fixed with the steel frame system through a plurality of first fixing pieces, each first fixing piece comprises a bottom plate, two side plates and two reinforcing plates, the bottom plate is fixed with the steel frame system through a locking piece, the two side plates are connected with the top surface of the bottom plate and form a fixing groove with the bottom plate, and the fixing groove is sleeved on the periphery of the longitudinal water guide beam group and is fixedly connected with the longitudinal water guide beam group through the locking piece; the two reinforcing plates are respectively connected between the outer walls of the corresponding side plates and the bottom plate.
7. The building integrated photovoltaic system of claim 1, wherein: the photovoltaic assembly is fixed with the longitudinal water guide beam group through a plurality of second fixing pieces; the second fixing piece comprises a base plate, a connecting piece and a pressing block, the base plate is fixed on the top surface of the longitudinal water guide beam through a locking piece, one end of the connecting piece is fixedly connected with the base plate, the other end of the connecting piece is fixedly connected with the pressing block, and a clamping groove is formed between the pressing block and the base plate; the photovoltaic module side inlays and realizes fixedly in this draw-in groove.
8. The building integrated photovoltaic system of claim 7, wherein: the cover plates are arranged above the corresponding longitudinal water guide beam groups at intervals along the transverse direction and are in snap fit with the pressing blocks of the second fixing pieces.
9. The building integrated photovoltaic system of claim 1, wherein: the transverse water guide plate group comprises a plurality of water guide plates which are arranged at intervals along the transverse direction, and two ends of each water guide plate are respectively arranged above the corresponding two longitudinal water guide beam groups; the water guide plate comprises a second bottom wall and two second side walls, wherein two ends of the bottom wall are provided with concave guide parts, the two second side walls extend upwards along two sides of the second bottom wall, and the second bottom wall and the two second side walls form the second water guide groove; or the second water chute is also provided with a waterproof strip which is sleeved on the periphery of the corresponding side of the photovoltaic module.
10. The building integrated photovoltaic system of claim 1, wherein: the middle guide rails are distributed at intervals along the transverse direction and are respectively positioned between two adjacent longitudinal water guide beam groups; the top of the middle guide rail is abutted and contacted with the bottom of the transverse water guide plate set, and the bottom of the middle guide rail is fixedly connected with the steel frame system through a locking piece.
11. The building integrated photovoltaic system of claim 1, wherein: also comprises a plurality of flashing plates and a plurality of color steel plates; the plurality of flashing plates are arranged between the end parts of two adjacent longitudinal water guide beam groups, the bottom surface of one end of each flashing plate is fixedly provided with a cushion pipe to be positioned at the top part of the corresponding longitudinal water guide beam, the other end of each flashing plate is lapped on the top surface of a color steel plate, and the color steel plate is fixedly connected with the steel frame system; or the roof system further comprises a ridge cover plate, the ridge cover plate is located at the ridge of the steel frame system, two ends of the ridge cover plate are located in the second water guide grooves, and the roof system is achieved by pressing two ends of the ridge cover plate through an overhaul pedal or a photovoltaic assembly.
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| CN202220707127 | 2022-03-29 | ||
| CN2022207071277 | 2022-03-29 |
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| CN202221995270.7U Active CN218933647U (en) | 2022-03-29 | 2022-07-29 | Water guide structure of photovoltaic system |
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| JP2011157713A (en) * | 2010-01-29 | 2011-08-18 | Ohkuma Inc | Device and method for mounting photovoltaic generation equipment, and the photovoltaic generation equipment |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN115306091B (en) | 2023-12-05 |
| CN218933647U (en) | 2023-04-28 |
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