CN113073795A - Photovoltaic module fastening structure and BIPV roofing support system - Google Patents
Photovoltaic module fastening structure and BIPV roofing support system Download PDFInfo
- Publication number
- CN113073795A CN113073795A CN202110409136.8A CN202110409136A CN113073795A CN 113073795 A CN113073795 A CN 113073795A CN 202110409136 A CN202110409136 A CN 202110409136A CN 113073795 A CN113073795 A CN 113073795A
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- China
- Prior art keywords
- water
- photovoltaic module
- water chute
- pressing block
- guide groove
- Prior art date
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- 238000013084 building-integrated photovoltaic technology Methods 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 171
- 238000003825 pressing Methods 0.000 claims abstract description 74
- 230000007246 mechanism Effects 0.000 claims abstract description 40
- 238000007789 sealing Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 10
- 238000000429 assembly Methods 0.000 claims description 2
- 230000000712 assembly Effects 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims 3
- 230000000694 effects Effects 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 description 4
- 241000282414 Homo sapiens Species 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000004484 Briquette Substances 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000009467 reduction Effects 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
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
- E04D3/36—Connecting; Fastening
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
- E04D3/38—Devices for sealing spaces or joints between roof-covering elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
- E04D3/40—Slabs or sheets locally modified for auxiliary purposes, e.g. for resting on walls, for serving as guttering; Elements for particular purposes, e.g. ridge elements, specially designed for use in conjunction with slabs or sheets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S20/00—Supporting structures for PV modules
- H02S20/20—Supporting structures directly fixed to an immovable object
- H02S20/22—Supporting structures directly fixed to an immovable object specially adapted for buildings
- H02S20/23—Supporting structures directly fixed to an immovable object specially adapted for buildings specially adapted for roof structures
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/10—Photovoltaic [PV]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The invention discloses a photovoltaic module fastening structure and a BIPV roof support system, wherein the photovoltaic module fastening structure can be arranged at the edge of a photovoltaic module and comprises: water chute, briquetting and scissors type fastening device. The scissors type fastening mechanism comprises two connecting pieces which are hinged with each other, each connecting piece comprises a connecting portion, a hinged portion and a fixing portion which are connected in sequence, and the outer side of each fixing portion is matched with the inner side of the first water chute. In an assembly state, the pressing block is connected with the first water chute through the scissors-type fastening mechanism, and one end of the scissors-type fastening mechanism reversely rotates to a preset angle through the two fixing parts so as to be clamped inside the first water chute; the other end is respectively connected with the pressing block main body through two connecting parts so as to relatively fix the two connecting pieces; the first fixing position and the second fixing position are oppositely arranged, and a clamping gap of the photovoltaic module is formed between the first fixing position and the second fixing position. The photovoltaic bracket water-guiding device is simple in structure and convenient to install, and the waterproof and water-guiding effects of the photovoltaic bracket can be effectively improved.
Description
Technical Field
The invention relates to the technical field of building integrated photovoltaics, in particular to a photovoltaic module fastening structure and a BIPV roof support system.
Background
With the rapid progress of science and technology, the exploitation capacity of human beings on traditional energy sources such as petroleum and coal is rapidly improved. Meanwhile, the development of human society has increased the demand for these energy sources, and the environmental pollution and non-renewable characteristics of the traditional energy sources determine that people must search clean, green and renewable new energy sources to replace the traditional energy sources, and solar energy is one of the energy sources.
In the prior art, BIPV generally refers to building-integrated photovoltaic. Building Integrated Photovoltaic (PV) is a technology for integrating solar power (Photovoltaic) products into buildings. The photovoltaic module is arranged on the roof of a building to convert light energy into electric energy, so that energy conservation and emission reduction are facilitated, and light energy power generation is brought into the life of ordinary residents. In practical application, the photovoltaic module needs to be fixed on a roof and a water chute needs to be installed. Because the screws need to penetrate through the water guide grooves from outside to inside, rainwater often seeps into the roof along the screws, so that the metal structure is easy to rust, and the roof is easy to leak.
Therefore, can design a photovoltaic module fastening structure, simple to operate, the waterproof water guide effect that can effectively increase the photovoltaic support is the problem that this patent wants to solve.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a photovoltaic module fastening structure and a BIPV roof support system, and the purposes that the device is simple in structure and convenient to install, and the waterproof and water-guiding effects of a photovoltaic support can be effectively improved are achieved.
The technical scheme provided by the invention is as follows: a photovoltaic module fastening structure mountable to a photovoltaic module edge, comprising: the water guide groove comprises a first water guide groove and a supporting part, the cross section of the first water guide groove is in a necking shape, the supporting part is at least arranged on one side of the first water guide groove, the axial direction of the supporting part is consistent with that of the first water guide groove, and the surface of the supporting part is provided with a first fixing position; the pressing block comprises a pressing block main body and a prepressing part, and a second fixing position is arranged on the surface of the prepressing part; the scissors type fastening mechanism comprises two mutually hinged connecting pieces, each connecting piece comprises a connecting part, a hinged part and a fixing part which are sequentially connected, and the outer side of each fixing part is matched with the inner side of the first water chute; before assembly, the two fixing parts are folded, and the thickness of the cross section of the folded fixing parts is smaller than the width of the opening of the first water chute so as to be arranged in the first water chute; after assembly, the pressing block is connected with the first water chute through the scissors-type fastening mechanism, and one end of the scissors-type fastening mechanism rotates to a preset angle through the two fixing parts away from each other so as to be clamped at the inner side of the first water chute; the other end is respectively connected with the pressing block main body through the two connecting parts so as to relatively fix the two connecting pieces; the first fixing position and the second fixing position are arranged oppositely, and a clamping gap of the photovoltaic module is formed between the first fixing position and the second fixing position.
The technical scheme discloses a photovoltaic module fastening structure, which is mainly different from the prior art in that a scissor type fastening mechanism is used for realizing the connection of a pressing block and a water chute, and on one hand, the scissor type fastening mechanism enables a connecting piece to rotate to a preset angle through the hinged connection mode of two connecting pieces, so that a fixing part is clamped in a first water chute; on the other hand, the two connecting pieces are relatively fixed through the connection of the two connecting parts and the pressing block main body, keep a preset angle and are connected with the diversion trench. In addition, the guide groove is used for limiting the fixing part along the height direction, so that a clamping gap is formed between the supporting part and the pre-pressing part, and the photovoltaic module is fixed. Furthermore, a mounting hole does not need to be formed in the surface of the water guide groove, the sealing process of the mounting hole is avoided, meanwhile, the first water guide groove can guide rainwater flowing to the water guide groove along the scissor-type fastening mechanism, and the waterproof and water guide effects of the photovoltaic support are effectively improved. In the actual installation process, the scissors-type fastening mechanism is folded and stretched into the first diversion trench and then opened, the pressing block is installed above the scissors-type fastening mechanism, the connecting piece is locked, and the pressing block, the scissors-type fastening mechanism and the diversion trench can be fixed relatively.
Further, the pre-pressing portion is connected to one side, away from the water guide groove, of the pressing block main body through a first limiting portion, and a photovoltaic assembly abutting surface is arranged on one side, away from the pressing block main body, of the first limiting portion.
This technical scheme further discloses concrete structure of briquetting, is connected through first spacing portion and pre-compaction portion and forms step-like structure, makes the briquetting can provide simultaneously along direction of height and width direction spacing to photovoltaic module, increases the fixed effect of this structure to photovoltaic module.
Furthermore, a first connecting position and a second connecting position are arranged on the surface of the pressing block main body in a clearance mode, and third connecting positions are respectively arranged on the sides, far away from the fixing part, of the two connecting parts; when the fixing parts rotate away from each other to the preset angle, the first connecting position and the second connecting position respectively correspond to the third connecting position so as to relatively fix the two connecting pieces.
This technical scheme further discloses the concrete form of briquetting, through setting up first connection position and second connection position at briquetting main part surface clearance, but the connecting portion of two connecting pieces of relatively fixed make two fixed parts keep presetting the angle, has both realized being connected of briquetting and scissors type fastening mechanism, guarantees the joint strength of scissors type fastening mechanism and guiding gutter again.
Furthermore, two through holes are arranged on the surface of the pressing block main body in a clearance mode to form the first connecting position and the second connecting position, and threaded holes are respectively formed in one sides, far away from the fixing part, of the two connecting parts to form two third connecting positions; and in an assembly state, the pressing block main body is connected with the connecting part through a threaded connecting piece.
This technical scheme further discloses concrete structure of briquetting, through offering the through-hole respectively in first hookup location and second hookup location, offers the screw hole respectively in two third hookup locations, can realize the briquetting and be connected with scissors type fastening device through threaded connection spare such as screw, and the installation, dismantlement are convenient, and are convenient for change the damage part in the maintenance process.
Furthermore, the first water chute is provided with a first abutting surface and a second abutting surface, and the first abutting surface and the second abutting surface form the preset angle, so that the cross section of the first water chute is in a shape of a necking.
This technical scheme further discloses concrete structure of first guiding gutter, through the type of reducing a mouthful of type, toper or the water droplet type structure of first guiding gutter, under the assembled state, the first face of supporting and the second of supporting that the slope set up support the outside of face and two connecting piece fixed parts and cooperate, can provide frictional force for two fixed parts respectively to guarantee the width scope in centre gripping clearance, make the card that photovoltaic module can be firm put in the centre gripping clearance.
Further, the hinge portion has a hinge hole penetrating through the hinge portion in the width direction of the connecting member; the hinge part is provided with an installation notch along the axis direction of the hinge hole, and the two connecting pieces correspond to the installation notches in opposite clamping in an assembly state and correspond to the hinge holes which are positioned on the same axis and connected through a hinge shaft.
This technical scheme further discloses hinge structure of two connecting pieces, sets up the installation breach through connecting portion, and under the assembled state, two relative joints of installation breach make the articulated portion card of a connecting piece put between the connecting portion and the fixed part of another connecting piece, and it is articulated firm, and when increasing hinge hole length, make scissors type fastening device width less.
Furthermore, the supporting parts are respectively arranged on two sides of the first water chute; in addition, the first limiting part and the prepressing part are respectively arranged on two sides of the pressing block main body, so that the clamping gap can be respectively formed on two sides of the first water chute; or, the first limiting part and the prepressing part are arranged on one side of the pressing block main body, the second limiting part is arranged on the other side of the pressing block main body, and in an assembly state, the second limiting part extends towards the water guide groove along the connecting part.
The technical scheme further discloses two structural forms of the photovoltaic module fastening structure, on one hand, the two sides of the photovoltaic module fastening structure can simultaneously form a clamping gap by respectively arranging the first limiting part and the prepressing part on the two sides of the pressing block main body, and further can be used for connecting two adjacent photovoltaic modules; on the other hand, only one side of the pressing block main body is provided with a first limiting part and a prepressing part, the other side of the pressing block main body is provided with a second limiting part, so that a clamping gap is formed on only one side of the photovoltaic module fastening structure, the connecting strength between the scissors-type fastening mechanism and the diversion trench is increased on the other side of the photovoltaic module fastening structure through the second limiting part, and the photovoltaic module fastening structure can be installed on the edge of an adjacent photovoltaic module on one side. The application range of the device is increased.
Furthermore, the water chute also comprises a second water chute, the axis direction of the second water chute is consistent with that of the first water chute, and the second water chute is positioned on one side of the supporting part away from the first water chute; wherein an elastic gasket is arranged between the photovoltaic module and the first fixing position; and/or the second fixing position surface is provided with a plurality of anti-skid insections; and/or the first water chute, the supporting part and the second water chute are integrally formed by pressing.
The technical scheme further discloses a structural form of the water chute, and on one hand, the first water chute, the supporting part and the second water chute are integrally formed by pressing, so that the production process of the water chute can be effectively simplified, and the production and installation cost of a system is reduced; on the other hand, horizontal frictional force in photovoltaic module and centre gripping clearance has been increased to antiskid insection and elastic gasket, and has the buffering simultaneously, reduces the effect of vibrations wearing and tearing.
A BIPV roof support system comprises a roof purline, a plurality of photovoltaic modules and any one of the photovoltaic module fastening structures, wherein a plurality of scissor-type fastening mechanisms and pressing blocks are arranged on the same water chute at intervals, so that the same water chute is provided with a plurality of clamping gaps along the axial direction of the water chute; the water chutes are fixed above the roof purlines at intervals, the water chutes and the roof purlines are arranged in a staggered mode, the photovoltaic modules are sequentially fixed between the adjacent water chutes, and the adjacent photovoltaic modules are fixed on two sides of the first water chute through the clamping gaps.
On one hand, a plurality of scissor-type fastening mechanisms and pressing blocks are arranged on the same water chute at intervals, so that a plurality of clamping gaps are formed on one side or two sides of the same water chute, a plurality of photovoltaic modules can be fixed through the clamping gaps at the same time, and the integrity of the system and the number of the mountable photovoltaic modules are increased; on the other hand, through using above photovoltaic module fastening structure in BIPV roofing mounting system, the waterproof effect of whole system is increased to the unique connected mode of accessible photovoltaic module fastening structure.
Furthermore, the water chutes are arranged at intervals along the length direction perpendicular to the roof purline, and a plurality of groups of photovoltaic modules are clamped between adjacent water chutes along the length direction of the water chutes; a second water chute is arranged on one side, away from the first water chute, of the supporting part, and the axis direction of the second water chute is consistent with that of the first water chute; along the length direction of the roof purline, the adjacent photovoltaic assemblies are connected through an elastic sealing strip, a plurality of third water guide grooves are formed in the lower portion of the elastic sealing strip, and two ends of each third water guide groove extend to the upper portion of the corresponding second water guide groove.
The technical scheme further discloses an arrangement mode of the photovoltaic modules and a specific structure of the water guide grooves, wherein water flow of the photovoltaic modules, which leaks into the third water guide groove from the elastic sealing strips, can be collected through the second water guide grooves arranged on two sides of the water guide grooves, the drainage of a panel of the photovoltaic modules is taken as a main part, and the drainage of the first water guide groove, the second water guide groove and the third water guide groove is taken as an auxiliary part; organized carries out effectual guide to the roofing rainwater, arranges to the eave gutter in, has further increased the water-proof effects of system.
The invention has the technical effects that:
1. effectively guide rainwater to the eave, photovoltaic module has obtained effectual protection, and the vertical guiding gutter of no longer using the screw to pierce through is fixed to the briquetting, the complete possibility of avoiding leaking the infiltration.
2. Form step-like structure through first spacing portion is connected with pre-compaction portion, makes the briquetting provide simultaneously along direction of height and width direction spacing to photovoltaic module, increases the fixed effect of this structure to photovoltaic module.
3. Through setting up first connection position and second connection position in briquetting main part surface clearance, the connecting portion of two connecting pieces of relatively fixed make two fixed parts keep presetting the angle, both realized the briquetting and scissors type fastening mechanism's being connected, guarantee the joint strength of scissors type fastening mechanism and guiding gutter again.
4. This photovoltaic module fastening structure both can be used to connect two adjacent photovoltaic module, also can install at the photovoltaic module edge, can be with the liquid at flow direction photovoltaic module edge, through drainage groove drainage to photovoltaic module front side or rear side.
5. Through the second guiding gutter that guiding gutter both sides set up, can collect photovoltaic module by the rivers of elastic sealing strip department seepage to the third guiding gutter in, further increased the water-proof effects of system.
6. The first water chute, the supporting part and the second water chute are integrally formed in a pressing mode, so that the production process of the water chute can be effectively simplified, and the production and installation costs of the system are reduced.
Drawings
The invention is described in further detail below with reference to the following figures and detailed description:
FIG. 1 is a schematic view of a BIPV roofing support system according to one embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of the area A of FIG. 1;
FIG. 3 is an enlarged view of a portion of the area B of FIG. 1;
FIG. 4 is a schematic structural view of FIG. 1 with several photovoltaic modules removed;
FIG. 5 is a top view of FIG. 4;
FIG. 6 is an enlarged view of a portion of the structure in area C of FIG. 5;
FIG. 7 is a schematic view of a fastening structure of a photovoltaic module according to an embodiment of the present invention
FIG. 8 is a schematic view of the cross-sectional view of FIG. 7;
FIG. 9 is a schematic structural view of a scissor type fastening mechanism according to an embodiment of the invention;
FIG. 10 is a schematic structural view of a connector according to an embodiment of the present invention;
FIG. 11 is a schematic structural diagram of a compact according to an embodiment of the present invention;
FIG. 12 is a schematic structural view of a compact according to another embodiment of the present invention;
FIG. 13 is a schematic structural view of a third flume according to an embodiment of the present invention;
FIG. 14 is a schematic view showing the structure of an elastic weather strip according to an embodiment of the present invention;
FIG. 15 is a schematic view of the cross-sectional view of FIG. 14;
FIG. 16 is a schematic view of the structure of FIG. 9 in a closed state;
fig. 17 is a schematic view showing a structure of fig. 9 when it is loaded into the chute in a closed state.
The reference numbers illustrate:
100. a photovoltaic module fastening structure;
110. the bearing comprises a water chute, 111, a first water chute, 111-a, a first abutting surface, 111-b, a second abutting surface, 112, a supporting part, 112-a, a first fixing position, 113, a second water chute and 114, an elastic gasket;
120. the photovoltaic module comprises a pressing block, 121, a pressing block main body, 121-a, a first connecting position, 121-b, a second connecting position, 122, a prepressing part, 122-a, a second fixing position, 123, a first limiting part, 123-a, a photovoltaic module abutting surface and 124, a second limiting part;
130. the scissors type fastening mechanism comprises a scissors type fastening mechanism, 131, a connecting piece, 132-a, a first connecting surface, 132-b, a second connecting surface, 132-c, a third connecting position, 133, a hinge part, 133-a, a hinge hole, 133-b, an installation gap, 133-c, a hinge shaft, 134, a fixing part and 135, and a clamping gap;
200. photovoltaic module, 210 elastic sealing strip, 220 third guiding gutter.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will be made with reference to the accompanying drawings. It is obvious that the drawings in the following description are only some examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be derived from them without inventive effort.
For the sake of simplicity, only the parts relevant to the invention are schematically shown in the drawings, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
In this context, it is to be understood that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not intended to indicate or imply relative importance.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will be made with reference to the accompanying drawings. It is obvious that the drawings in the following description are only some examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be derived from them without inventive effort.
As an embodiment, as shown in fig. 1 to 12, a fastening structure 100 for photovoltaic devices is provided, which can be installed between adjacent photovoltaic devices 200 or at the edge of several photovoltaic devices 200. The photovoltaic module fastening structure 100 includes: a chute 110, a ballast 120, and a scissor type fastening mechanism 130.
Specifically, as shown in fig. 7 and 8, the water chute 110 includes a first water chute 111 and a support portion 112, and the first water chute 111 has a cross section in a shape of a reduced mouth having various structural forms, such as a drop shape, a cone shape, a circular shape, or the like. The supporting portion 112 is disposed at least on one side of the first water chute 111, the supporting portion 112 is aligned with the axial direction of the first water chute 111, and the surface of the supporting portion 112 has a first fixing position 112-a. In other words, the water chute 110 has two structural forms, the supporting portion 112 is disposed on both sides of the first water chute 111, or the supporting portion 112 is disposed on only one side of the first water chute 111, as shown in fig. 1 and 2, the first water chute 111 having the first form can be used for two adjacent photovoltaic modules 200; as shown in fig. 1 and 3, the first water chute 111 having the second form may be used for the edge of several photovoltaic modules 200.
Further, as shown in fig. 7, 8 and 11, the pressing block 120 includes a pressing block main body 121 and a pre-pressing portion 122, and the surface of the pre-pressing portion 122 is provided with a second fixing position 122-a. Further, as shown in fig. 9 and 10, the scissor type fastening mechanism 130 includes two connecting members 131 hinged to each other, each connecting member 131 includes a connecting portion 132, a hinge portion 133, and a fixing portion 134 connected in sequence, and an outer side of the fixing portion 134 is fitted to an inner side of the first water chute 111.
Before assembly, as shown in fig. 16 and 17, the two fixing portions 123 may be clamped to each other, as shown in fig. 17, T represents an opening width of the first water guide channel 111, T represents a sectional thickness of the two fixing portions 123 clamped to each other, and the sectional thickness T after clamping is smaller than the opening width T of the first water guide channel 111, so that the fixing portions 123 may be fitted into the first water guide channel 111.
Specifically, as shown in fig. 9 and 10, the two connection members 131 have hinge holes in the respective hinge portions 133, and the hinge holes penetrate the hinge portions 133 in the width direction of the connection members 131. The hinge 133 is formed with a mounting notch along the axial direction of the hinge hole. In the assembled state, the mounting notches of the two connectors are butted in opposite directions, and the hinge holes of the connectors 131 are located on the same axis and connected through a hinge shaft. The hinge portion 133 of one of the connecting members 131 is interposed between the connecting portion 132 and the fixing portion 134 of the other connecting member 131. In other words, the two connecting members 131 are engaged with each other by butting the mounting notches of the two connecting members 131 against each other and then connecting the two connecting members with the same hinge shaft, so as to complete the mounting of the scissors-type fastening mechanism 130. In the present embodiment, the two fixing portions 123 are both sheet-shaped, so that the thickness of the folded fixing portions is smaller than the opening width of the first water chute 111. In addition, the radian of the connecting portion 132 and the fixing portion 134 is designed to allow the two fixing portions 134 to be completely folded, so as to reduce the width of the folded fixing portion 134.
After assembly, as shown in fig. 7 and 8, the pressing block 120 is connected to the first water chute 111 through the scissors-type fastening mechanism 130, and one end of the scissors-type fastening mechanism 130 is reversely rotated to a predetermined angle by the two fixing portions 134 to be caught at the inner side of the first water chute 111; the other end is connected to the pressing block main body 121 through two connecting portions 132, respectively, to fix the two connecting members 131 relatively. The first fixing station 112-a is disposed opposite to the second fixing station 122-a, and a clamping gap 135 of the photovoltaic module 200 is formed therebetween. Preferably, the surface of the second fixing portion 122-a has a plurality of anti-slip insections to increase the horizontal friction force between the photovoltaic module 200 and the pre-pressing portion 122. In addition, an elastic pad 114 may be installed between the photovoltaic module 200 and the first fixing location 112-a to reduce vibration and abrasion and increase friction.
Specifically, as shown in fig. 8, the inner side of the cross section of the first water chute 111 has a first abutting surface 111-a and a second abutting surface 111-b, and the first abutting surface 111-a and the second abutting surface 111-b are at a predetermined angle, so that the cross section of the first water chute 111 is in a shape of a throat.
Further preferably, as shown in fig. 8, 11 and 12, the prepressing section 122 is connected to a side of the pressing block main body 121 far from the water chute 110 through a first limiting section 123, and a side of the first limiting section 123 far from the pressing block main body 121 is provided with a photovoltaic module abutting surface 123-a. In other words, the pre-pressing portion 122, the first limiting portion 123 and the pressing block main body 121 are sequentially connected, and the pre-pressing portion 122 and the first limiting portion 123 are step-shaped, so that a photovoltaic module abutting surface 123-a capable of horizontally limiting the photovoltaic module 200 is formed on one side of the first limiting portion 123 away from the pressing block main body 121.
Preferably, as shown in fig. 7 and 8, the first water chute 111 is provided at both sides thereof with support portions 112, respectively. The briquette 120 includes at least the following two structural forms: first, as shown in fig. 11, two sides of the pressing block main body 121 are respectively provided with a first limiting portion 123 and a pre-pressing portion 122, so that two sides of the first water chute 111 can respectively form a clamping gap 135, and the pressing block 120 having this structure can be used for two adjacent photovoltaic modules 200. Second, as shown in fig. 12, one side of the pressing block main body 121 is provided with a first limiting portion 123 and a pre-pressing portion 122, and the other side is provided with a second limiting portion 124, in an assembled state, the second limiting portion 124 extends along the connecting portion 132 to the water guide groove 110, and the pressing block 120 having this structural form can be used for the edges of the plurality of photovoltaic modules 200.
Further preferably, as shown in fig. 11 and 12, the pressing block body 121 is provided with a first connecting position 121-a and a second connecting position 121-b on the surface thereof, and the sides of the two connecting portions 132 away from the fixing portion 134 are respectively provided with a third connecting position 132-c. When the fixing portion 134 rotates reversely to a predetermined angle, the first connecting portion 121-a and the second connecting portion 121-b correspond to a third connecting portion 132-c, respectively, to fix the two connecting members 131 relatively. In other words, in the present embodiment, the two connecting portions 132 are relatively fixed by the pressing body 121, so that the two fixing portions 134 are maintained at the predetermined angle and connected to the first water chute 111.
Specifically, as shown in fig. 11 and 12, the compact main body 121 is provided with two through holes at a surface clearance to form a first connection site 121-a and a second connection site 121-b. As shown in fig. 9 and 10, the connecting portions 132 are respectively provided with a threaded hole at a side thereof away from the fixing portion 134 to form a third connecting position 132-c, and in the assembled state, the pressing block body 121 is connected to the connecting portions 132 by a threaded connector such as a screw.
Specifically, the connecting portion 132 has a first connecting surface 132-a and a second connecting surface 132-b, the first connecting surface 132-a is located on a side of the connecting portion 132 away from the fixing portion 134, and the second connecting surface 132-b is located on an opposite side of the first connecting surface 132-a. In the assembled state, the first connecting surface 132-a is connected to the surface of the compact main body 121, and the second connecting surface 132-b is fitted to the neck of the first water chute 111. In other words, the side of the scissor-type fastening mechanism 130 can be engaged with the neck of the first water chute 111, so as to increase the contact area between the scissor-type fastening mechanism 130 and the water chute 110, and further improve the connection strength between the scissor-type fastening mechanism 130 and the water chute 110.
Further preferably, the water chute 110 further includes a second water chute 113, the second water chute 113 is aligned with the axial direction of the first water chute 111, and the second water chute 113 is located on a side of the support portion 112 away from the first water chute 111. Preferably, the first water chute 111, the supporting portion 112 and the second water chute 113 are integrally formed by press molding.
In the actual installation process, the ends of the fixing portions 134 of the scissors-type fastening mechanism 130 are closed to be installed in the first water chute 111, and then the fixing portions 134 are opened to make the opposite sides of the two fixing portions 134 abut against the first abutting surface 111-a and the second abutting surface 111-b, respectively. The pressing block 120 is installed above the scissors-type fastening mechanism 130, and the two connecting parts 132 are locked with the pressing block main body 121 by bolts. After the bolts are locked, the scissors-type fastening mechanism 130 can be pressed in the vertical direction; since the pressing block 120 is stepped, the photovoltaic module can be pressed in the left and right directions shown in fig. 8. In addition, after the bolts are fastened, the opposite sides of the connecting portion 132 and the fixing portion 134 can clamp the neck of the first water chute 111, and the friction force is formed to prevent the entire scissor-type fastening mechanism 130 and the pressing block 120 from moving in the height direction of fig. 8. To sum up, the structure pressing block is fixed without penetrating a longitudinal water chute by using a screw, so that the possibility of water leakage and water seepage is completely avoided.
[ example two ]
Another embodiment of the present invention is a BIPV roof support system. Specifically, as shown in fig. 1-6, the BIPV roof brace system includes a roof purlin, a number of photovoltaic modules 200, and a plurality of photovoltaic module securing structures 100. And a plurality of pressing blocks 120 and scissors-type fastening mechanisms 130 are sequentially installed on the same water chute 110 at intervals, so that a plurality of clamping gaps 135 may be formed on one side or both sides of the same water chute 110, and thus the same photovoltaic module fastening structure 100 may fix a plurality of photovoltaic modules 200 along the axial direction of the water chute 110. The structures of the pressing block 120 and the scissors-type fastening mechanism 130 are the same as those of the embodiment, and are not described herein again.
Specifically, in practical applications, the water chute 110 and the roof purlin are arranged perpendicular to each other (the roof purlin is not shown in the drawing of this embodiment). Therefore, along the length direction perpendicular to the roof purlins, the adjacent photovoltaic modules 200 are connected through the photovoltaic module fastening structure 100, and the photovoltaic modules 200 are connected with the roof purlins through the water chutes 110. In addition, the photovoltaic module fastening structures 100 can be installed at the same side edges of the photovoltaic modules 200, so that rainwater flowing to both sides of the photovoltaic modules 200 can flow to the front and rear sides of the photovoltaic modules 200.
The water chutes 110 are arranged at intervals along the length direction perpendicular to the roof purlin, and a plurality of groups of photovoltaic modules 200 are clamped between adjacent water chutes 110 along the length direction of the water chutes 110. The pressure is applied to the second water chute 113 through the crimping piece, so that the water chute 110 is fixed on the roof purline, or the second water chute 113 is directly fixed on the roof purline through bolts and nuts.
Specifically, as shown in fig. 4, 5, 6 and 13, along the length direction of the roof purlin, adjacent groups of photovoltaic modules 200 are connected by an elastic sealing strip 210, a plurality of third water chutes 220 are arranged below the elastic sealing strip 210, and two ends of the third water chutes 220 extend to the upper side of the second water chute 113 respectively. Preferably, as shown in fig. 14 and 15, the elastic sealing strip 210 is a T-shaped rubber strip, and includes a rubber strip main body and a rubber cap, when actually installed, the rubber strip main body of the T-shaped rubber strip is filled between the adjacent photovoltaic modules 200, and the rubber cap is located above the connection position of the adjacent photovoltaic modules 200, so as to increase the overall waterproof effect.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a photovoltaic module fastening structure can install at photovoltaic module edge, its characterized in that includes:
the water guide groove comprises a first water guide groove and a supporting part, the cross section of the first water guide groove is in a necking shape, the supporting part is at least arranged on one side of the first water guide groove, the axial direction of the supporting part is consistent with that of the first water guide groove, and the surface of the supporting part is provided with a first fixing position;
the pressing block comprises a pressing block main body and a prepressing part, and a second fixing position is arranged on the surface of the prepressing part;
the scissors type fastening mechanism comprises two mutually hinged connecting pieces, each connecting piece comprises a connecting part, a hinged part and a fixing part which are sequentially connected, and the outer side of each fixing part is matched with the inner side of the corresponding first water chute; wherein the content of the first and second substances,
before assembly, the two fixing parts are folded, and the thickness of the folded section is smaller than the width of the opening of the first water chute so as to be arranged in the first water chute;
after assembly, the pressing block is connected with the first water chute through the scissors-type fastening mechanism, and one end of the scissors-type fastening mechanism rotates to a preset angle through the two fixing parts away from each other so as to be clamped at the inner side of the first water chute; the other end is respectively connected with the pressing block main body through the two connecting parts so as to relatively fix the two connecting pieces; the first fixing position and the second fixing position are arranged oppositely, and a clamping gap of the photovoltaic module is formed between the first fixing position and the second fixing position.
2. The photovoltaic module fastening structure according to claim 1,
the pre-pressing portion is connected with one side, away from the water guide groove, of the pressing block main body through a first limiting portion, and one side, away from the pressing block main body, of the first limiting portion is provided with a photovoltaic assembly abutting surface.
3. The photovoltaic module fastening structure according to claim 1,
a first connecting position and a second connecting position are arranged on the surface of the pressing block main body in a clearance mode, and third connecting positions are respectively arranged on the sides, far away from the fixing part, of the two connecting parts;
when the fixing parts rotate away from each other to the preset angle, the first connecting position and the second connecting position respectively correspond to the third connecting position so as to relatively fix the two connecting pieces.
4. The photovoltaic module fastening structure according to claim 3,
two through holes are arranged on the surface of the pressing block main body in a clearance mode to form the first connecting position and the second connecting position, and threaded holes are respectively formed in one sides, far away from the fixing part, of the two connecting parts to form two third connecting positions; wherein the content of the first and second substances,
in an assembly state, the pressing block main body is connected with the connecting part through a threaded connecting piece.
5. The photovoltaic module fastening structure according to claim 1,
the first water chute is provided with a first abutting surface and a second abutting surface, and the first abutting surface and the second abutting surface form the preset angle, so that the cross section of the first water chute is in a necking shape.
6. The photovoltaic module fastening structure according to claim 1,
the hinge part is provided with a hinge hole which penetrates through the hinge part along the width direction of the connecting piece; the hinge part is provided with an installation notch along the axis direction of the hinge hole, and the two connecting pieces correspond to the installation notches in opposite clamping in an assembly state and correspond to the hinge holes which are positioned on the same axis and connected through a hinge shaft.
7. The photovoltaic module fastening structure according to claim 2,
the supporting parts are respectively arranged on two sides of the first water chute; in addition to this, the present invention is,
the first limiting part and the prepressing part are respectively arranged on two sides of the pressing block main body, so that the clamping gap can be respectively formed on two sides of the first water chute;
or, the first limiting part and the prepressing part are arranged on one side of the pressing block main body, the second limiting part is arranged on the other side of the pressing block main body, and in an assembly state, the second limiting part extends towards the water guide groove along the connecting part.
8. The photovoltaic module fastening structure according to any one of claims 1 to 7,
the water guide groove also comprises a second water guide groove, the axis direction of the second water guide groove is consistent with that of the first water guide groove, and the second water guide groove is positioned on one side of the supporting part far away from the first water guide groove; wherein the content of the first and second substances,
an elastic gasket is arranged between the photovoltaic module and the first fixing position;
and/or the second fixing position surface is provided with a plurality of anti-skid insections;
and/or the first water chute, the supporting part and the second water chute are integrally formed by pressing.
9. A BIPV roofing racking system comprising a roofing purlin, a plurality of photovoltaic modules, and a plurality of photovoltaic module securing structures according to any one of claims 1 to 7, wherein,
a plurality of scissors-type fastening mechanisms and pressing blocks are arranged on the same water chute at intervals, so that the same water chute is provided with a plurality of clamping gaps along the axial direction of the water chute;
the water chutes are fixed above the roof purlines at intervals, the water chutes and the roof purlines are arranged in a staggered mode, the photovoltaic modules are sequentially fixed between the adjacent water chutes, and the adjacent photovoltaic modules are fixed on two sides of the first water chute through the clamping gaps.
10. A BIPV roofing racking system according to claim 9,
the water chutes are arranged at intervals along the length direction perpendicular to the roof purline, and a plurality of groups of photovoltaic modules are clamped between adjacent water chutes along the length direction of the water chutes; a second water chute is arranged on one side, away from the first water chute, of the supporting part, and the axis direction of the second water chute is consistent with that of the first water chute;
along the length direction of the roof purline, the adjacent photovoltaic assemblies are connected through an elastic sealing strip, a plurality of third water guide grooves are formed in the lower portion of the elastic sealing strip, and two ends of each third water guide groove extend to the upper portion of the corresponding second water guide groove.
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| CN202110409136.8A CN113073795B (en) | 2021-04-16 | 2021-04-16 | Photovoltaic module fastening structure and BIPV roofing support system |
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| CN202110409136.8A CN113073795B (en) | 2021-04-16 | 2021-04-16 | Photovoltaic module fastening structure and BIPV roofing support system |
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