CN113638551A - Thin film photovoltaic member and thin film photovoltaic system - Google Patents
Thin film photovoltaic member and thin film photovoltaic system Download PDFInfo
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- CN113638551A CN113638551A CN202110930872.8A CN202110930872A CN113638551A CN 113638551 A CN113638551 A CN 113638551A CN 202110930872 A CN202110930872 A CN 202110930872A CN 113638551 A CN113638551 A CN 113638551A
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- film photovoltaic
- thin film
- butt strap
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- 239000010409 thin film Substances 0.000 title claims abstract description 117
- 238000009964 serging Methods 0.000 claims abstract description 12
- 239000010408 film Substances 0.000 claims description 27
- 238000005452 bending Methods 0.000 claims description 18
- 230000015572 biosynthetic process Effects 0.000 claims 2
- 238000009434 installation Methods 0.000 abstract description 24
- 238000000034 method Methods 0.000 description 9
- 238000002788 crimping Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000010248 power generation 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
- E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
- E04D3/36—Connecting; Fastening
- E04D3/361—Connecting; Fastening by specially-profiled marginal portions of the slabs or sheets
- E04D3/362—Connecting; Fastening by specially-profiled marginal portions of the slabs or sheets by locking the edge of one slab or sheet within the profiled marginal portion of the adjacent slab or sheet, e.g. using separate connecting elements
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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
- H02S30/00—Structural details of PV modules other than those related to light conversion
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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
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Photovoltaic Devices (AREA)
Abstract
The embodiment of the application provides a thin film photovoltaic component and a thin film photovoltaic system. The thin-film photovoltaic component comprises a back plate, an upright overlocking structure, limiting parts and a thin-film photovoltaic assembly, wherein the upright overlocking structure comprises a first overlapping part and a second overlapping part which can be mutually overlapped, the first overlapping part and the second overlapping part are respectively arranged on two sides of the back plate along a first direction, the number of the limiting parts is at least two, every two limiting parts are respectively arranged on two sides of the back plate along a second direction, and the second direction is perpendicular to the first direction; the thin film photovoltaic module is placed in the area, limited by the first lap joint piece, the second lap joint piece and the limiting portion, of the back plate, two ends of the thin film photovoltaic module in the second direction are respectively abutted to the limiting portions of the corresponding sides, and by applying the embodiment of the application, the problems of low installation efficiency and plate damage during installation of an existing thin film photovoltaic system can be solved.
Description
Technical Field
The invention relates to the technical field of thin film photovoltaics, in particular to a thin film photovoltaic component and a thin film photovoltaic system.
Background
With the continuous development of photovoltaic power generation technology, thin film photovoltaics are increasingly applied to building roof and facade thin film photovoltaic systems.
A conventional thin film photovoltaic system is shown in fig. 1, and includes: the film photovoltaic module 001, the building outer enclosure plate 002, the mechanical connecting piece 003, the briquetting 004, the screw 005, the concrete connection mode is: firstly, screws 005 penetrate through the mechanical connecting piece 003 and the building outer enclosure plate 002 in sequence to fix the mechanical connecting piece 003 on a building main structure, and then pressing blocks 004 are used for fixing the film photovoltaic module 001 on the mechanical connecting piece 003, so that the installation of a film photovoltaic system is realized.
However, on the one hand, since the thin film photovoltaic module 001 needs to be fixed by the pressing block 004, the installation and positioning of the thin film photovoltaic module 001 and the mechanical connector 003 need to be controlled by a construction auxiliary line, so that the installation and positioning are not easy to control, and the installation efficiency of the thin film photovoltaic system is low. On the other hand, the screw 005 penetrates through the building outer enclosure plate 002 to easily damage the building outer enclosure plate 002, thereby causing a water leakage problem.
Disclosure of Invention
The embodiment of the invention aims to provide a thin film photovoltaic component and a thin film photovoltaic system, which are used for solving the problems of low installation efficiency and plate damage during installation of the conventional thin film photovoltaic system. The specific technical scheme is as follows:
embodiments of a first aspect of the present application provide a thin film photovoltaic member comprising:
a back plate;
the back panel comprises a back panel and a vertical overlocking structure, wherein the vertical overlocking structure comprises a first overlap joint and a second overlap joint which can be overlapped with each other, and the first overlap joint and the second overlap joint are respectively arranged on two sides of the back panel along a first direction;
the limiting parts are at least arranged on each of two sides of the back plate along a second direction, and the second direction is perpendicular to the first direction;
the thin film photovoltaic assembly is placed in an area of the back plate limited by the first lap joint piece, the second lap joint piece and the limiting part, and two ends of the thin film photovoltaic assembly along the second direction are respectively abutted to the limiting parts of the corresponding sides.
In some embodiments, the first strap includes a first rib, a first strap and a second strap, the first rib is formed by bending the back plate upwards, the first strap is formed by bending the first rib outwards, an included angle between the first strap and the first rib is 90 °, the second strap is formed by bending the first strap downwards, and the included angle between the second strap and the first strap is 90 °;
the second lap joint piece comprises a second rib plate, a third butt strap and a fourth butt strap, the second rib plate is formed by bending the back plate upwards, the included angle between the second rib plate and the back plate is 90 degrees, the third butt strap is formed by bending the second rib plate inwards, the included angle between the third butt strap and the second rib plate is 90 degrees, the fourth butt strap is formed by bending the third butt strap downwards, and the included angle between the fourth butt strap and the third butt strap is 90 degrees;
the distance between the second butt strap and the first ribbed plate is more than 2 times of the distance between the fourth butt strap and the second ribbed plate, and the height of the first ribbed plate is larger than that of the second ribbed plate.
In some embodiments, the first rib plate comprises a first vertical section, a first middle oblique section and a second vertical section, the first vertical section is connected with the back plate, the second vertical section is distributed in parallel at the inner side of the first vertical section, and the first middle oblique section is connected between the first vertical section and the second vertical section;
the second rib plate comprises a third vertical section, a second middle inclined section and a fourth vertical section, the third vertical section is connected with the back plate, the fourth vertical section is distributed in the outer side of the third vertical section in parallel, and the second middle inclined section is connected between the third vertical section and the fourth vertical section.
In some embodiments, the limiting part is a limiting block arranged on the back plate, and a first cushion pad is arranged on the surface of the limiting block, which is in contact with the thin-film photovoltaic module.
Embodiments of a second aspect of the present application provide a thin film photovoltaic system comprising: the thin film photovoltaic member and the connecting member according to any of the above embodiments; the film photovoltaic components are arranged in a rectangular array, and two adjacent film photovoltaic components along a first direction are connected through a vertical overlock structure formed by mutually overlapping the first overlapping part and the second overlapping part;
the connecting piece is provided with a plurality of connecting pieces, each connecting piece is arranged at the intersection of four corners of every four thin film photovoltaic components, each connecting piece comprises a clamping part and a clamping part, the lower end of the clamping part is movably clamped outside two vertical locking structures between every four thin film photovoltaic components, the clamping part is connected to the upper end of the clamping part, and the clamping part is tightly pressed at four corners of four thin film photovoltaic components of every four thin film photovoltaic components.
In some embodiments, the clamping portion includes an inverted U-shaped connecting plate, a first clamping plate and a second clamping plate, the first clamping plate is connected to the first free end of the inverted U-shaped connecting plate, the second clamping plate is connected to the second free end of the inverted U-shaped connecting plate, the first clamping plate and the second clamping plate are symmetrical about the center of the inverted U-shaped connecting plate, a clamping space is formed between the first clamping plate and the second clamping plate, and the clamping space is adapted to the upright overlocking structure.
In some embodiments, the clamping portion includes a first pressing plate and a second pressing plate, the first pressing plate is formed by extending horizontally outwards from the connection position of the first clamping plate and the first free end of the inverted U-shaped connecting plate, and the second pressing plate is formed by extending horizontally outwards from the connection position of the second clamping plate and the second free end of the inverted U-shaped connecting plate.
In some embodiments, the clamping portion includes a convex connecting plate with an open bottom, and a first extending plate and a second extending plate, the convex connecting plate is sleeved outside the U-shaped connecting plate, the convex connecting plate is connected with the U-shaped connecting plate through a fastener, the first extending plate is formed by horizontally extending outwards from a first free end of the convex connecting plate, and the second extending plate is formed by horizontally extending outwards from a second free end of the convex connecting plate.
In some embodiments, a fastener is provided on the U-shaped connecting plate.
In some embodiments, a second cushion pad is provided at the contact between the capture portion and the thin film photovoltaic module.
According to the thin-film photovoltaic component and the thin-film photovoltaic system provided by the embodiment of the invention, the problem of installation and positioning of the thin-film photovoltaic component can be solved through the limiting part, so that the installation efficiency of the thin-film photovoltaic system is improved, clamping installation is realized through the connecting piece, and the problem of plate damage during installation of the thin-film photovoltaic component is effectively avoided.
Of course, not all of the advantages described above need to be achieved at the same time in the practice of any one product or method of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other embodiments can be obtained by referring to these drawings.
FIG. 1 is a schematic structural view of a prior art thin film photovoltaic member;
fig. 2 is a top view of a thin film photovoltaic member provided by an embodiment of the present application;
FIG. 3 is a front view of a thin film photovoltaic member provided by an embodiment of the present application;
FIG. 4 is a side view of a thin film photovoltaic member provided by an embodiment of the present application;
fig. 5 is a schematic view of a lateral installation of a thin film photovoltaic member according to an embodiment of the present application;
fig. 6 is a schematic view of a longitudinal installation of a thin-film photovoltaic member according to an embodiment of the present application;
fig. 7 is a schematic structural diagram of a thin film photovoltaic system according to an embodiment of the present disclosure;
fig. 8 is a schematic structural diagram of a connecting member of a thin film photovoltaic system according to an embodiment of the present disclosure;
fig. 9 is another schematic structural diagram of a connecting member of a thin film photovoltaic system according to an embodiment of the present disclosure.
Icon: 100-standing overlock structure; 101-a thin film photovoltaic module; 102-a back plate; 103-a limiting part; 104-a first strap; 105-a second strap; 106-a connector; 107-fasteners; 108-a second cushion; 109-first cushion.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived from the embodiments given herein by one of ordinary skill in the art, are within the scope of the invention.
Embodiments of the present application provide a thin film photovoltaic member, as shown in fig. 2 to 6, including: the photovoltaic module comprises a back plate 102, an upright overlocking structure 100, a limiting part 103 and a thin-film photovoltaic module 101.
Wherein the standing-seam crimping structure 100 includes a first strap 104 and a second strap 105 capable of being overlapped with each other, the first strap 104 and the second strap 105 being respectively disposed at both sides of the back panel 102 in the first direction; the limiting parts 103 are respectively arranged on two sides of the back plate 102 along the second direction, at least two limiting parts 103 are arranged on each of the two sides of the back plate 102 along the second direction, and the second direction is perpendicular to the first direction; the thin-film photovoltaic module 101 is placed in an area of the back sheet 102 limited by the first bridging member 104, the second bridging member 105, and the limiting portion 103, and two ends of the thin-film photovoltaic module 101 along the second direction are respectively abutted against the limiting portions 103 on the corresponding sides.
The first direction is a direction of transverse mounting of the thin film photovoltaic member, and the second direction is a direction of longitudinal mounting of the thin film photovoltaic member. When the installation is carried out along the first direction, the first lapping part 104 of the film photovoltaic component and the second lapping part 105 of the adjacent film photovoltaic component are lapped with each other to form the vertical serging structure 100, the connection and waterproof problems between the film photovoltaic components are solved, the installation of the film photovoltaic component 101 is limited through the limiting part 103, at least two limiting parts 103 are arranged on each side of the two sides of the back plate 102 along the second direction, the installation of the film photovoltaic component 101 is limited more accurately, the problem that the film photovoltaic component 101 is difficult to install and position in the prior art is solved, the installation efficiency of the film photovoltaic system is improved, and the transverse installation schematic diagram of the film photovoltaic component is specifically provided in figure 5.
In some embodiments of the present application, the first strap 104 includes a first rib, a first strap and a second strap, the first rib is formed by bending the back plate 102 upwards, the first strap is formed by bending the first rib outwards, an included angle between the first strap and the first rib is 90 °, the second strap is formed by bending the first strap downwards, and the included angle between the second strap and the first strap is 90 °; the second lap joint part 105 comprises a second rib plate, a third butt strap and a fourth butt strap, the second rib plate is formed by bending the back plate 102 upwards, the included angle between the second rib plate and the back plate 102 is 90 degrees, the third butt strap is formed by bending the second rib plate inwards, the included angle between the third butt strap and the second rib plate is 90 degrees, the fourth butt strap is formed by bending the third butt strap downwards, and the included angle between the fourth butt strap and the third butt strap is 90 degrees. Two adjacent thin-film photovoltaic members in this application are connected through the standing-seam crimping structure 100 that is formed by the mutual overlap joint of first overlap joint 104 and second overlap joint 105, have simplified the installation operation, have promoted the installation effectiveness.
In some embodiments of the present application, a distance between the second strap and the first rib is more than 2 times a distance between the fourth strap and the second rib, and a height of the first rib is greater than a height of the second rib, so that the first strap 104 is overlapped outside the second strap 105 to form the standing-seam crimping structure 100, which can facilitate connection of two adjacent thin-film photovoltaic members.
In some embodiments of the present application, the first rib plate includes a first vertical section connected to the back plate 102, a first middle diagonal section parallel-distributed inside the first vertical section, and a second vertical section connected between the first vertical section and the second vertical section; the second rib plate comprises a third vertical section, a second middle oblique section and a fourth vertical section, the third vertical section is connected with the back plate 102, the fourth vertical section is distributed in the outer side of the third vertical section in parallel, and the second middle oblique section is connected between the third vertical section and the fourth vertical section.
In some embodiments of the present application, the limiting portion 103 is a limiting block disposed on the back plate 102, a first cushion pad 109 is disposed on a surface of the limiting block contacting with the thin film photovoltaic module 101, and two ends of the thin film photovoltaic module 101 along the second direction are abutted to the limiting block on the corresponding side, so that the thin film photovoltaic module 101 is installed in an easy manner, the problem of installation and positioning of the thin film photovoltaic module 101 is solved, the construction difficulty is reduced, and the installation efficiency of the thin film photovoltaic system is improved; in addition, the first cushion pad 109 is arranged on the contact surface of the limiting block and the film photovoltaic assembly 101, so that non-rigid contact between the film photovoltaic assembly 101 and the limiting block is realized, and the end part of the film photovoltaic assembly 101 is ensured to be stressed uniformly. Illustratively, as shown in fig. 6, the thin-film photovoltaic member is arranged obliquely, for example, the thin-film photovoltaic member is obliquely arranged on a roof, and a first buffer pad 109 is arranged on a surface of the limiting block located at the oblique lower end, which is in contact with the thin-film photovoltaic module 101, so that non-rigid contact between the thin-film photovoltaic module 101 and the limiting block is realized, and uniform stress on the end portion of the thin-film photovoltaic module 101 is ensured.
Further, first blotter 109 can adopt the rubber cushion to realize the non-rigid contact between film photovoltaic module 101 and the stopper, guarantee that film photovoltaic module 101 tip atress is even.
Embodiments of the second aspect of the present application provide a thin film photovoltaic system, as shown in fig. 7, comprising: the thin film photovoltaic member and the connecting member 106 in any of the above embodiments; the film photovoltaic components are arranged in a rectangular array, and two adjacent film photovoltaic components along a first direction are connected through an upright overlock structure 100 formed by mutually overlapping a first overlapping part 104 and a second overlapping part 105; the quantity of connecting piece 106 is a plurality of, and each connecting piece 106 sets up the intersection in per four thin film photovoltaic component four corners, and each connecting piece 106 includes clamping part and screens portion, and the lower extreme activity centre gripping of clamping part is in the outside of per four thin film photovoltaic component two standing-seam crimping structures 100 between, and screens portion connects in the upper end of clamping part, and screens portion compresses tightly in the four corners of per four thin film photovoltaic component's four thin film photovoltaic module 101.
According to the thin film photovoltaic system of the embodiment of the application, a plurality of thin film photovoltaic members are arranged in a rectangular array, a thin film photovoltaic module 101 on each thin film photovoltaic member is positioned by a limiting part 103, two thin film photovoltaic members adjacent to each other along a first direction are connected by an upright serging structure 100 formed by overlapping a first overlapping part 104 and a second overlapping part 105, a connecting part 106 is arranged at the intersection of four corners of every four thin film photovoltaic members, a clamping part of the connecting part 106 is movably clamped outside two upright serging structures 100 between every four thin film photovoltaic members, clamping parts of the connecting part 106 are pressed at four corners of four thin film photovoltaic modules 101 of every four thin film photovoltaic members, so that the thin film photovoltaic modules 101 are fixed on a back plate 102, the installation efficiency of the thin film photovoltaic system is effectively improved, each connecting part 106 is arranged at the intersection of four corners of every four thin film photovoltaic members, the clamping portion of each connecting member 106 is pressed at four corners of four thin film photovoltaic modules 101 of every four thin film photovoltaic members, so that the tightness and the attractiveness of the thin film photovoltaic system are ensured. In addition, the embodiment of the application not only solves the problem that the thin film photovoltaic module 101 is difficult to install and position, but also solves the hidden danger of water leakage caused by the fact that the screws penetrate through the building peripheral protection plate in the prior art through the locatability of the limiting part 103 and the clamping and installing mode of the connecting piece 106, and the easy disassembly of the connecting piece 106 also provides great convenience for the operation and maintenance of the thin film photovoltaic system.
In some embodiments of the present application, the clamping portion includes an inverted U-shaped connecting plate, a first clamping plate and a second clamping plate, the first clamping plate is connected to a first free end of the inverted U-shaped connecting plate, the second clamping plate is connected to a second free end of the inverted U-shaped connecting plate, the first clamping plate and the second clamping plate are symmetrical about a center of the inverted U-shaped connecting plate, a clamping space is formed between the first clamping plate and the second clamping plate, and the clamping space is adapted to the upright overlocking structure 100. The centre gripping space that constitutes between first grip block and the second grip block and upright lockstitching structure 100 looks adaptation to the stable centre gripping in the outside of upright lockstitching structure 100 of clamping part, thereby guarantee film photovoltaic system's fixity and pleasing to the eye degree.
In some embodiments of the present application, as shown in fig. 8, the detent portion includes a first pressing plate and a second pressing plate, the first pressing plate is formed to extend horizontally outward from a junction of the first clamping plate and the first free end of the inverted U-shaped connecting plate, and the second pressing plate is formed to extend horizontally outward from a junction of the second clamping plate and the second free end of the inverted U-shaped connecting plate. Through the first pressing plate and the second pressing plate, the gap between the thin film photovoltaic module 101 and the back plate 102 can be reduced, so that the wind uncovering resistance of the thin film photovoltaic system is enhanced.
In some embodiments of the present application, as shown in fig. 9, the blocking portion includes a convex connection plate with an open bottom, and a first extension plate and a second extension plate, the convex connection plate is sleeved outside the U-shaped connection plate, and the convex connection plate and the U-shaped connection plate are connected by a fastener 107, the first extension plate is formed by extending horizontally outwards from a first free end of the convex connection plate, and the second extension plate is formed by extending horizontally outwards from a second free end of the convex connection plate. Through the convex-shaped connecting plate with the open bottom, the first extending plate and the second extending plate, the fastening effect between the photovoltaic film members is realized, and the gap between the film photovoltaic assembly 101 and the back plate 102 is reduced, so that the wind uncovering resistance of the film photovoltaic system is enhanced.
In some embodiments of the present application, a fastener 107 is provided on the U-shaped web. The clamping force of the clamping part of the U-shaped connecting plate can be adjusted through the fastening piece 107, so that the connection strength of the photovoltaic film component is improved. Specifically, fastening reinforcing bolts can be installed by arranging bolt holes in the U-shaped connecting plate, and the clamping force of the connecting piece 106 is enhanced through the fastening reinforcing bolts, so that the thin film photovoltaic module 101 and the back plate 102 are tightly attached to each other, and the wind-resistant capability of the thin film photovoltaic system is enhanced.
In some embodiments of the present application, a second buffer pad 108 is provided at the contact between the detent and the thin film photovoltaic module 101. The second cushion pad 108 is installed at the contact position of the clamping part of the connecting piece 106 and the thin-film photovoltaic module 101, so that the connecting piece 106 is not in rigid contact with the thin-film photovoltaic module 101, and the uniform stress of the thin-film photovoltaic module 101 is ensured. Wherein, the second cushion pad 108 may be a rubber gasket.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
All the embodiments in the present specification are described in a related manner, and the same and similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (10)
1. A thin film photovoltaic member, comprising:
a back plate;
the back panel comprises a back panel and a vertical overlocking structure, wherein the vertical overlocking structure comprises a first overlap joint and a second overlap joint which can be overlapped with each other, and the first overlap joint and the second overlap joint are respectively arranged on two sides of the back panel along a first direction;
the limiting parts are at least arranged on each of two sides of the back plate along a second direction, and the second direction is perpendicular to the first direction;
the thin film photovoltaic assembly is placed in an area of the back plate limited by the first lap joint piece, the second lap joint piece and the limiting part, and two ends of the thin film photovoltaic assembly along the second direction are respectively abutted to the limiting parts of the corresponding sides.
2. The thin film photovoltaic member of claim 1, wherein: the first lap joint piece comprises a first rib plate, a first butt strap and a second butt strap, the first rib plate is formed by bending the back plate upwards, the first butt strap is formed by bending the first rib plate outwards, the included angle between the first butt strap and the first rib plate is 90 degrees, the second butt strap is formed by bending the first butt strap downwards, and the included angle between the second butt strap and the first butt strap is 90 degrees;
the second lap joint piece comprises a second rib plate, a third butt strap and a fourth butt strap, the second rib plate is formed by bending the back plate upwards, the included angle between the second rib plate and the back plate is 90 degrees, the third butt strap is formed by bending the second rib plate inwards, the included angle between the third butt strap and the second rib plate is 90 degrees, the fourth butt strap is formed by bending the third butt strap downwards, and the included angle between the fourth butt strap and the third butt strap is 90 degrees;
the distance between the second butt strap and the first ribbed plate is more than 2 times of the distance between the fourth butt strap and the second ribbed plate, and the height of the first ribbed plate is larger than that of the second ribbed plate.
3. The thin film photovoltaic member of claim 2, wherein: the first rib plate comprises a first vertical section, a first middle inclined section and a second vertical section, the first vertical section is connected with the back plate, the second vertical section is distributed on the inner side of the first vertical section in parallel, and the first middle inclined section is connected between the first vertical section and the second vertical section;
the second rib plate comprises a third vertical section, a second middle inclined section and a fourth vertical section, the third vertical section is connected with the back plate, the fourth vertical section is distributed in the outer side of the third vertical section in parallel, and the second middle inclined section is connected between the third vertical section and the fourth vertical section.
4. The thin film photovoltaic member of claim 1, wherein: the limiting part is a limiting block arranged on the back plate, and a first cushion pad is arranged on the surface of the limiting block, which is in contact with the thin film photovoltaic module.
5. A thin film photovoltaic system, comprising: the thin film photovoltaic member and the connecting member according to any one of claims 1 to 4; the film photovoltaic components are arranged in a rectangular array, and two adjacent film photovoltaic components along a first direction are connected through a vertical overlock structure formed by mutually overlapping the first overlapping part and the second overlapping part;
the connecting piece is provided with a plurality of connecting pieces, each connecting piece is arranged at the intersection of four corners of every four thin film photovoltaic components, each connecting piece comprises a clamping part and a clamping part, the lower end of the clamping part is movably clamped outside two vertical locking structures between every four thin film photovoltaic components, the clamping part is connected to the upper end of the clamping part, and the clamping part is tightly pressed at four corners of four thin film photovoltaic components of every four thin film photovoltaic components.
6. The thin film photovoltaic system of claim 5, wherein: the clamping part comprises an inverted U-shaped connecting plate, a first clamping plate and a second clamping plate, the first clamping plate is connected with a first free end of the inverted U-shaped connecting plate, the second clamping plate is connected with a second free end of the inverted U-shaped connecting plate, the first clamping plate and the second clamping plate are symmetrical about the center of the inverted U-shaped connecting plate, a clamping space is formed between the first clamping plate and the second clamping plate, and the clamping space is matched with the vertical edge locking structure.
7. The thin film photovoltaic system of claim 6, wherein: the screens portion includes first clamp plate and second clamp plate, first clamp plate certainly first grip block with the outside formation that extends of junction level of the first free end of type of falling U connecting plate, the second clamp plate certainly the second grip block with the outside formation that extends of junction level of the second free end of type of falling U connecting plate.
8. The thin film photovoltaic system of claim 6, wherein: screens portion includes the open type connecting plate of protruding font in bottom and first extension board and second extension board, protruding font connecting plate cover is established in the outside of U type connecting plate, just protruding font connecting plate with connect through the fastener between the U type connecting plate, first extension board certainly the horizontal outside extension of first free end of protruding font connecting plate forms, the second extension board certainly the horizontal outside extension of second free end of protruding font connecting plate forms.
9. The thin film photovoltaic system of claim 6, wherein: and the U-shaped connecting plate is provided with a fastener.
10. The thin film photovoltaic system of any of claims 6 to 9, wherein: and a second cushion pad is arranged at the contact position between the clamping part and the thin film photovoltaic module.
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