CN112049336A - BIPV structure - Google Patents

BIPV structure Download PDF

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Publication number
CN112049336A
CN112049336A CN202010916082.XA CN202010916082A CN112049336A CN 112049336 A CN112049336 A CN 112049336A CN 202010916082 A CN202010916082 A CN 202010916082A CN 112049336 A CN112049336 A CN 112049336A
Authority
CN
China
Prior art keywords
photovoltaic modules
water tank
cavity
longitudinal water
longitudinal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010916082.XA
Other languages
Chinese (zh)
Inventor
李良邦
黄国珍
陈熹
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xiamen Mibet New Energy Co ltd
Original Assignee
Xiamen Mibet New Energy Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xiamen Mibet New Energy Co ltd filed Critical Xiamen Mibet New Energy Co ltd
Priority to CN202010916082.XA priority Critical patent/CN112049336A/en
Publication of CN112049336A publication Critical patent/CN112049336A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • E04D13/064—Gutters
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/16—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)

Abstract

The invention discloses a BIPV structure, which comprises a plurality of longitudinal water channels, transverse water channels and photovoltaic modules; the longitudinal water channels are arranged on the building beam in parallel and comprise a cavity in the middle and first open grooves on two sides of the cavity, steps matched with the side edges of the photovoltaic modules are arranged on two sides of the top of the cavity, and the steps are higher than the first open grooves; the transverse water channels are arranged between the adjacent longitudinal water channels side by side, and the end parts of the transverse water channels are erected on the side walls of the first open grooves, so that water outlets at the end parts of the transverse water channels are communicated with the first open grooves; the photovoltaic modules are arranged between the adjacent longitudinal water channels side by side, the side edges of the photovoltaic modules are overlapped on the steps, and the transverse water channels are arranged below the gaps of the vertically adjacent photovoltaic modules. The bearing capacity of the structure is ensured by the cavity of the longitudinal water tank, and meanwhile, the longitudinal water tank and the transverse water tank realize good water leakage prevention performance, so that the use requirements of most buildings are met.

Description

BIPV structure
Technical Field
The invention relates to the technical field of photovoltaics, in particular to a BIPV structure.
Background
Building Integrated photovoltaics (BIPV-Building Integrated photovoltaics) is a technology for integrating solar power (Photovoltaic) products into buildings, which can be divided into two main categories: the photovoltaic array is combined with a building, and the photovoltaic array is integrated with the building, such as a photovoltaic tile roof, a photovoltaic curtain wall, a photovoltaic daylighting roof and the like. In both of these ways, the integration of photovoltaic arrays with buildings is a common form, particularly with building roofing.
When the BIPV is used as a structure for replacing a roof, its waterproof performance and load-bearing capacity are particularly important. Current BIPV structure is for realizing waterproof function, mostly sets up the guiding gutter on roof structure's girder for dredge the water of seepage, but can lead to the intensity of structure to become low simultaneously, and bearing capacity variation makes the life of BIPV structure shorten.
Disclosure of Invention
The invention aims to provide a BIPV structure, which realizes good water leakage prevention performance on the premise of ensuring the bearing capacity of the structure and meets the use requirements of most buildings.
In order to achieve the above purpose, the solution of the invention is:
a BIPV structure comprises a plurality of longitudinal water channels, transverse water channels and photovoltaic modules; the longitudinal water channels are arranged on the building beam in parallel and comprise a cavity positioned in the middle of the building beam and first open grooves positioned on two sides of the cavity, steps matched with the side edges of the photovoltaic modules are arranged on two sides of the top of the cavity, and the steps are higher than the first open grooves; the transverse water tanks are arranged between the adjacent longitudinal water tanks side by side, and the end parts of the transverse water tanks are erected on the side walls of the first open grooves, so that water outlets at the end parts of the transverse water tanks are communicated with the first open grooves; the photovoltaic modules are arranged between the adjacent longitudinal water channels side by side, the side edges of the photovoltaic modules are arranged on the steps in an overlapping mode, and the transverse water channels are arranged below the gaps of the longitudinally adjacent photovoltaic modules.
The cross section of the bottom of the cavity is arc-shaped.
The bottom of the outer side of the side wall of the first open slot extends transversely to form a second open slot.
The top of the side wall of the first open slot is provided with a plane for matching the transverse water tank, and the transverse water tank is locked on the plane.
And a pressing strip is arranged above the gap between the transversely adjacent photovoltaic modules, is locked at the top of the cavity and downwards seals the gap between the photovoltaic modules.
And a third opening groove is formed between the top of the cavity and the step and is used for bearing water leakage of the gap between the transversely adjacent photovoltaic modules.
Sealing strips are arranged on two sides of the lower surface of the pressing strip, and the pressing strip downwards extrudes the sealing strips to seal gaps between the pressing strip and the photovoltaic module.
And sealant is arranged in the gap between the vertically adjacent photovoltaic modules.
The sealant is EPDM.
A gutter is arranged at the end part of the longitudinal water tank, and a water outlet at the end part of the first open slot is communicated to the gutter.
The gutter is characterized in that a cross rod is arranged below the end part of the longitudinal water tank, the end part of the cross rod is locked below the longitudinal water tank, the gutter is locked on the cross rod through a plurality of connecting rods, two ends of each connecting rod are connected to the side wall of the gutter, and the upper part of one end part of each connecting rod is locked on the cross rod.
The steps on the outermost side are matched with square tubes, and the square tubes are fixed with one-side lateral edge covers.
The BIPV structure further comprises a plurality of ridge connecting pieces, each ridge connecting piece comprises a supporting portion and a connecting portion, the supporting portion and the connecting portions are arranged in the middle of the ridge connecting piece, the connecting portions are integrally connected to two sides of the lower end of the supporting portion and are arranged in a downward inclining mode, the connecting portions are inserted into an upper end cavity of a vertical water channel which is arranged in an inclining mode, a top ridge covering edge is installed on the supporting portion, a single-side ridge covering edge is arranged at the end portion of the corresponding vertical water channel, and the lower end of the top ridge covering edge is connected with the upper.
The upper end of the photovoltaic module positioned at the highest position is locked at the end part of the longitudinal water tank through an L-shaped connecting piece, and the step is provided with a mounting groove for matching and locking the L-shaped connecting piece.
After the technical scheme is adopted, the photovoltaic module is supported by the square matrix formed by the transverse water channel and the longitudinal water channel which are transversely and longitudinally arranged, and the first open grooves of the transverse water channel and the longitudinal water channel are respectively used for bearing water leakage of the longitudinal gap and the transverse gap of the photovoltaic module, so that the water leakage prevention performance of the BIPV is realized, and the use requirements of most buildings are met; meanwhile, the cavity of the longitudinal water tank improves the supporting strength, avoids compression deformation and ensures the bearing capacity of the longitudinal water tank.
Drawings
FIG. 1 is a perspective view of an embodiment of the present invention;
FIG. 2 is a top view of an embodiment of the present invention;
FIG. 3 is a side view of an embodiment of the present invention;
FIG. 4 is a sectional view and a partially enlarged view taken along line A-A of FIG. 2;
FIG. 5 is a sectional view and a partially enlarged view taken along line B-B of FIG. 2;
FIG. 6 is a schematic view of a longitudinal trough in accordance with an embodiment of the present invention;
FIG. 7 is a perspective view and a partial schematic view of the present invention in use as a gable roof;
FIG. 8 is a top view of FIG. 7;
FIG. 9 is a cross-sectional view and a partial enlarged view of FIG. 7;
the reference numbers illustrate: a longitudinal water tank 1; a cavity 11; a first open groove 12; a plane 121; a step 13; a mounting groove 131; a second open groove 14; a third opening groove 15; a transverse water tank 2; a photovoltaic module 3; a building beam 4; briquetting 5; a layering 6; a seal strip 7; a sealant 8; a gutter 9; a cross bar 10; a connecting rod 20; a square tube 30; a single-side lateral edge cover 40; a ridge connector 50; a support portion 501; a connecting portion 502; a top ridge wrap 60; single-sided ridge taping 70; an L-shaped connector 80.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following specific examples.
The invention relates to a BIPV structure, which comprises a plurality of longitudinal water channels 1, transverse water channels 2 and photovoltaic modules 3.
The longitudinal water channels 1 are arranged on the building beam 4 in parallel and comprise a cavity 11 positioned in the middle of the longitudinal water channels and first open grooves 12 positioned on two sides of the cavity 11, steps 13 matched with the side edges of the photovoltaic modules 3 are arranged on two sides of the top of the cavity 11, and the steps 13 are higher than the first open grooves 12; the transverse water channels 2 are arranged between the adjacent longitudinal water channels 1 side by side, and the end parts of the transverse water channels are erected on the side walls of the first open grooves 12, so that water outlets at the end parts of the transverse water channels 2 are communicated with the first open grooves 12; photovoltaic module 3 sets up side by side between adjacent vertical basin 1, and its side is taken up and is established on step 13, and vertical adjacent photovoltaic module 3's clearance below all sets up a horizontal basin 2.
Referring to fig. 1-6, a specific embodiment of the present invention is shown.
The cross-sectional shape of the bottom of the cavity 11 is arc-shaped, the longitudinal water tank 1 is used for bearing the photovoltaic module 3, the stress of the longitudinal water tank is large, the stress of the longitudinal water tank 1 can be decomposed and dispersed in multiple directions by the arc-shaped cavity 11 side wall, stress concentration is avoided, and therefore the supporting strength and the bearing capacity of the longitudinal water tank 1 are improved. In this embodiment, the bottom of the outer side of the sidewall of the first opening groove 12 extends transversely to form a second opening groove 14, the design of the second opening groove 14 can improve the strength of the longitudinal water tank 1 and the first opening groove 12, and prevent the first opening groove 12 from being extruded and deformed by the transverse water tank 2, and meanwhile, the second opening groove 14 can be used for locking and fixing other components in product assembly, for example, the pressing block 5 presses the sidewall of the second opening groove 14, so as to fix the longitudinal water tank 1 on the building beam 4.
The top of the side wall of the first open slot 12 is provided with a plane 121 for the horizontal water tank 2 to match, and the horizontal water tank 2 is locked on the plane 121.
A pressing strip 6 is arranged above the gap between the transversely adjacent photovoltaic modules 3, the pressing strip 6 is locked at the top of the cavity 11 and seals the gap between the photovoltaic modules 3 downwards, water leakage can be prevented from the surface of the structure, and a large amount of water flow is prevented from entering the longitudinal water channel 1 below the photovoltaic modules 3. In this embodiment, a third opening groove 15 is disposed between the top of the cavity 11 and the step 13, and is used for receiving water leakage from a gap between the laterally adjacent photovoltaic modules 3, so as to further improve the water leakage prevention performance of the present invention; the sealing strips 7 are arranged on two sides of the lower surface of the pressing strip 6, the pressing strip 6 downwards extrudes the sealing strips 7 to seal the gap between the pressing strip 6 and the photovoltaic module 3, and the water leakage prevention performance of the photovoltaic module is further improved.
And a sealant 8 is arranged in a gap between the vertically adjacent photovoltaic modules 3 so as to realize plugging and leakage prevention. In this embodiment, the sealant 8 is EPDM (ethylene propylene diene monomer). The sealant 8 also realizes water leakage prevention on the surface of the structure, and prevents a large amount of water from entering the transverse water tank 2 below the photovoltaic module 3.
The end part of the longitudinal water tank 1 is provided with a gutter 9, and the water outlets of the end parts of the first opening groove 12 and the third opening groove 15 are communicated to the gutter 9, so that the leakage water of the BIPV structure can be guided to the gutter 9 and then uniformly drained. In this embodiment, a cross bar 10 is disposed below an end of the longitudinal water tank 1, the end of the cross bar 10 is locked in the second opening groove 14, the gutter 9 is locked on the cross bar 10 through a plurality of connecting rods 20, two ends of the connecting rods 20 are connected to a side wall of the gutter 9, and an upper end of one end of the connecting rod is locked on the cross bar 10. Here, the connecting rod 20 not only realizes the installation of the gutter 9, but also can pull the two walls of the gutter 9, and since most of the structure of the BIPV is made of light metal such as aluminum alloy, the connecting rod 20 can ensure the strength and structural stability of the gutter 9 and prevent the gutter 9 from being deformed due to the heavy pressure of a large amount of water flow.
The step 13 positioned at the outermost side is matched with a square pipe 30 to realize the side support of the longitudinal water tank 1; the square pipe 30 is locked with a single side edge 40 for covering the exposed part of the longitudinal water tank 1.
In this embodiment, the building beam 4 is an i-beam to improve sufficient support strength.
The locking among all the parts is realized through the self-tapping screw, the self-tapping screw can be matched with the sealing gasket to be used at the position where part of the self-tapping screw is likely to contact with water, the self-tapping screw penetrates through the sealing gasket to be driven into the mounting position, and the water leakage prevention at the perforated position is realized through the sealing gasket.
Referring to fig. 7 to 9, when the present invention is used as a herringbone roof, a roof with two inclined surfaces is formed by a BIPV structure, a plurality of ridge connectors 50 are arranged between the upper ends of the roof, each ridge connector 50 includes a support portion 501 at the middle thereof, and a connecting portion 502 integrally connected to both sides of the lower end of the support portion 501 and arranged obliquely downward, the connecting portion 502 is inserted into the cavity 11 of the longitudinal water channel 1, a top ridge covering 60 is installed on the support portion 501, a single-side ridge covering 70 is arranged at the corresponding end of the longitudinal water channel 1, and the lower end of the top ridge covering 60 is connected with the upper end of the single-side ridge covering 70, so as to prevent water leakage at the ridge position. In this embodiment, the top of the supporting portion 501 is provided with a square tube 30' for locking the top ridge covering 60.
The upper end of the highest photovoltaic module 3 is locked at the end of the longitudinal water tank 1 through an L-shaped connector 80, so that when the longitudinal water tank 1 is obliquely arranged, partial tension can be provided to prevent the photovoltaic modules 3 from sliding downwards (the vertically adjacent photovoltaic modules 3 are connected through the sealant 8). In this embodiment, the step 13 is provided with an installation groove 131 for the L-shaped connecting member 80 to be engaged and locked.
Through the scheme, the photovoltaic module 3 supporting matrix is formed by the transverse water tank 2 and the longitudinal water tank 1 which are transversely and longitudinally arranged, and the first open grooves 12 of the transverse water tank 2 and the longitudinal water tank 1 are used for respectively bearing water leakage of longitudinal gaps and transverse gaps of the photovoltaic module 3, so that the water leakage prevention performance of the BIPV is realized, and the use requirements of most buildings are met; meanwhile, the cavity 11 of the longitudinal water tank 1 improves the supporting strength, avoids compression deformation and ensures the bearing capacity of the longitudinal water tank 1.
The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications thereof by those skilled in the art should be considered as not departing from the scope of the present invention.

Claims (10)

1. A BIPV structure characterized by:
the device comprises a plurality of longitudinal water channels, transverse water channels and photovoltaic modules;
the longitudinal water channels are arranged on the building beam in parallel and comprise a cavity positioned in the middle of the building beam and first open grooves positioned on two sides of the cavity, steps matched with the side edges of the photovoltaic modules are arranged on two sides of the top of the cavity, and the steps are higher than the first open grooves;
the transverse water tanks are arranged between the adjacent longitudinal water tanks side by side, and the end parts of the transverse water tanks are erected on the side walls of the first open grooves, so that water outlets at the end parts of the transverse water tanks are communicated with the first open grooves;
the photovoltaic modules are arranged between the adjacent longitudinal water channels side by side, the side edges of the photovoltaic modules are arranged on the steps in an overlapping mode, and the transverse water channels are arranged below the gaps of the longitudinally adjacent photovoltaic modules.
2. A BIPV structure according to claim 1, wherein:
the cross section of the bottom of the cavity is arc-shaped.
3. A BIPV structure according to claim 1 or 2, wherein:
the bottom of the outer side of the side wall of the first open slot extends transversely to form a second open slot.
4. A BIPV structure according to claim 1, wherein:
the top of the side wall of the first open slot is provided with a plane for matching the transverse water tank, and the transverse water tank is locked on the plane.
5. A BIPV structure according to claim 1, wherein:
a pressing strip is arranged above the gap between the transversely adjacent photovoltaic modules and locked at the top of the cavity and downwards seals the gap between the photovoltaic modules;
and a third opening groove is formed between the top of the cavity and the step and is used for bearing water leakage of the gap between the transversely adjacent photovoltaic modules.
6. A BIPV structure according to claim 5, wherein:
sealing strips are arranged on two sides of the lower surface of the pressing strip, and the pressing strip downwards extrudes the sealing strips to seal gaps between the pressing strip and the photovoltaic module.
7. A BIPV structure according to claim 1, wherein:
in the photovoltaic modules, a sealant is arranged in a gap between the vertically adjacent photovoltaic modules;
the sealant is EPDM.
8. A BIPV structure according to claim 1, wherein:
a gutter is arranged at the end part of the longitudinal water tank, and a water outlet at the end part of the first open slot is communicated to the gutter;
the gutter is characterized in that a cross rod is arranged below the end part of the longitudinal water tank, the end part of the cross rod is locked below the longitudinal water tank, the gutter is locked on the cross rod through a plurality of connecting rods, two ends of each connecting rod are connected to the side wall of the gutter, and the upper part of one end part of each connecting rod is locked on the cross rod.
9. A BIPV structure according to claim 1, wherein:
among the steps, the step that is located the outermost side is gone up to cooperate and is had square pipe, inherent unilateral side direction bordure of locking in square pipe.
10. A BIPV structure according to any of claims 1 to 9, wherein:
the roof ridge connecting piece comprises a supporting part in the middle and connecting parts which are integrally connected to two sides of the lower end of the supporting part and are arranged obliquely downwards, the connecting parts are inserted into an upper end cavity of an obliquely arranged longitudinal water tank, a top roof ridge wrapping edge is installed on the supporting part, a single-side roof ridge wrapping edge is arranged at the end part of the corresponding longitudinal water tank, and the lower end of the top roof ridge wrapping edge is connected with the upper end of the single-side roof ridge wrapping edge;
the upper end of the photovoltaic module positioned at the highest position is locked at the end part of the longitudinal water tank through an L-shaped connecting piece, and the step is provided with a mounting groove for matching and locking the L-shaped connecting piece.
CN202010916082.XA 2020-09-03 2020-09-03 BIPV structure Pending CN112049336A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010916082.XA CN112049336A (en) 2020-09-03 2020-09-03 BIPV structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010916082.XA CN112049336A (en) 2020-09-03 2020-09-03 BIPV structure

Publications (1)

Publication Number Publication Date
CN112049336A true CN112049336A (en) 2020-12-08

Family

ID=73607310

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010916082.XA Pending CN112049336A (en) 2020-09-03 2020-09-03 BIPV structure

Country Status (1)

Country Link
CN (1) CN112049336A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113328681A (en) * 2021-05-11 2021-08-31 绍兴风行电力设备科技有限公司 BIPV photovoltaic power generation installation structure and method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113328681A (en) * 2021-05-11 2021-08-31 绍兴风行电力设备科技有限公司 BIPV photovoltaic power generation installation structure and method

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