CN109039234A - A kind of the flexible photovoltaic board fixer and installation method on light weight steel structure roof - Google Patents

A kind of the flexible photovoltaic board fixer and installation method on light weight steel structure roof Download PDF

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Publication number
CN109039234A
CN109039234A CN201811053201.2A CN201811053201A CN109039234A CN 109039234 A CN109039234 A CN 109039234A CN 201811053201 A CN201811053201 A CN 201811053201A CN 109039234 A CN109039234 A CN 109039234A
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CN
China
Prior art keywords
plate
fixture
liner plate
crimping
flexible photovoltaic
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Granted
Application number
CN201811053201.2A
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Chinese (zh)
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CN109039234B (en
Inventor
丁远峰
刘兆慧
朱健
赵洋洋
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Han Shi Electric Power Co Ltd
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Han Shi Electric Power Co Ltd
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Priority to CN201811053201.2A priority Critical patent/CN109039234B/en
Publication of CN109039234A publication Critical patent/CN109039234A/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S20/00Supporting structures for PV modules
    • H02S20/20Supporting structures directly fixed to an immovable object
    • H02S20/22Supporting structures directly fixed to an immovable object specially adapted for buildings
    • H02S20/23Supporting structures directly fixed to an immovable object specially adapted for buildings specially adapted for roof structures
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/10Photovoltaic [PV]
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [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 present invention relates to a kind of flexible photovoltaic board fixer on light weight steel structure roof and installation methods: fixed device includes liner plate, liner plate two sides are equipped with perpendicular flanging, the width of liner plate is equal to the spacing on the inside of two groups of lightweight steel construction crimpings, fit closely two side edgefolds and the inner sidewall of two groups of crimpings, fixed device further includes fixture, it is horizontal on fixture to be equipped at least two through-holes, bolt is inserted in through-hole, it is spirally connected on bolt equipped with nut, fixture includes the first fixture and the second fixture, first fixture and the second fixture are divided into the two sides of crimping, and liner plate and crimping are reliably fixed by flanging.The flexible photovoltaic board fixer and installation method on a kind of light weight steel structure roof of the invention, improve construction efficiency and liner plate firmness, greatly reduce material cost.

Description

A kind of the flexible photovoltaic board fixer and installation method on light weight steel structure roof
Technical field
The present invention relates to technical field of photovoltaic power generation, in particular to a kind of flexible photovoltaic plate on light weight steel structure roof is solid Determine device and installation method.
Background technique
Energy problem has become China or even global important subject of interest, is becoming tight in quantity of energy demand day The discovery and use of today, new energy and the renewable sources of energy will become the happiness of the whole mankind.China also early combines China's national situation energetically Elect the relevant item of new energy, including new-energy automobile, Energy Saving in Industrial Enterprises, photovoltaic power generation.
Photovoltaic power generation project is mostly the laying photovoltaic panel power generation of industrial enterprise's light weight steel structure roof surface at present, however Following shortcoming is still remained in practice of construction:
1, construction material consumption is big;
2, difficulty of construction is big, long construction period;
3, one-off construction can not be recycled.
Summary of the invention
In order to solve the technical problems in background technology, the present invention provides a kind of flexibility on light weight steel structure roof Photovoltaic panel fixing device and installation method reduce the value volume and range of product of construction material on the basis of guaranteeing liner plate robust, because This reduces the difficulty of practice of construction, accelerates construction progress, while the installation and removal of fixed method are more quick.
Technical solution used by the present invention solves is:
A kind of flexible photovoltaic board fixer on light weight steel structure roof:
The fixed device includes rectangle liner plate, and the photovoltaic panel is pasted in the plate face of liner plate, the two sides long side of liner plate Direction is provided with perpendicular flanging, when liner plate is placed in the horizontal ridge of lightweight steel construction, the flanging and lightweight steel construction of liner plate The inner sidewall of crimping fits closely, and liner plate bottom surface and the horizontal ridge of lightweight steel construction crimping bottom end fit closely.The fixed dress Setting further includes multiple fixtures, and fixture includes the first fixture and the second fixture, the first fixture and the second fixture for gripping tab and Crimping.
First fixture includes vertically disposed lower carrier plate, is provided in the bottom sidewall of lower carrier plate vertical with lower carrier plate The first pressed end, the oriented inclined connecting plate of first pressed end is fixedly installed in the top of lower carrier plate, and the fixation of connecting plate top is set It is equipped with the upper supporting plate parallel with lower carrier plate, the vertical sidewall of side wall and first pressed end of the upper supporting plate towards the first pressed end Coplanar, the top of upper supporting plate is provided with the protrusion vertical with upper supporting plate towards the side of the first pressed end.
Second fixture includes vertically disposed supporting plate, and the bottom of supporting plate is provided with and props up towards the side of the first fixture The second vertical pressed end of plate, the vertical height of the second pressed end are equal to the vertical height of the first pressed end, supporting plate Side of the top towards the first fixture is respectively arranged with the upper flat plate and lower plate vertical with supporting plate from top to bottom, upper flat plate, under Plate, supporting plate form the groove of "U" shape structure.
The protrusion activity is inserted in groove, so that the first fixture and the second fixture is integrally formed component, and upper At least two groups through-hole is horizontally disposed on supporting plate below supporting plate and lower plate, sliding, which plugs, in through-hole is equipped with bolt, spiral shell on bolt It connects and is provided with nut, locking nut compresses the first pressed end and the second pressed end reliably liner plate.
Further, the liner plate uses zinc-plated plate, for improving the rust-proofing corrosion resistant ability of liner plate.
Further, the screw bolt and nut uses stainless steel material.
Further, the fixture uses the injection molding aluminum profile of easy processing, while guaranteeing its rigid, reduces weight Reduce construction personnel's load.
Further, it is used to be provided with anti-skidding ripple on the end face of clamping on the pressed end and pressure plate, for mentioning High fixture firmness.
A kind of flexible photovoltaic method of plate installation on light weight steel structure roof:
A, liner plate, the width according to the spacing on the inside of two adjacent groups lightweight steel construction crimping as liner plate, while crimping are processed Height of the vertical elevation of lower section as flanging;
B, the liner plate processed is placed on the horizontal ridge surrounded between adjacent crimping, makes flanging and crimping, and, Liner plate is bonded tightly to each other with ridge;
C, the first fixture and the second fixture are respectively placed in the two sides of two neighboring flanging, wherein for head and end Liner plate, fixture side are contacted with flanging, and the other side is directly contacted with crimping;
D, the nut in through-hole on plugged bolt is tightened, locking clamping apparatus is until liner plate is reliably fixed with crimping;
E, flexible photovoltaic plate ontology is pasted in the plate face of liner plate on central location;
F, after liner plate is fixed, the first busbar joint of adjacent photovoltaic board group part and the second busbar joint is connected and inserted It connects, the first busbar joint and the second busbar joint and in the photovoltaic electrical cabinet and net means of head and end are electrically connected.
Further, the stickup of the flexible photovoltaic plate ontology uses main component for the glue of cyanoacrylate, uses It to reinforce the firmness that flexible photovoltaic plate ontology sticks, prevents colloid aging from falling off, improves binding speed, shorten construction week Phase.
Further, it the locking clamping apparatus and sticks in the work progress of flexible photovoltaic plate ontology, construction personnel should be Walking plate is set up on crimping, and is constructed in limp of being expert at, and construction period forbids trampling liner plate.
The advantages of flexible photovoltaic board fixer and installation method on a kind of light weight steel structure roof of the present invention, is:
1, the material that all parts included by fixed device all use rust-proofing corrosion resistant ability strong, improves and uses the longevity Life;
2, the trench structure of liner plate prevents from fractureing liner plate when constructing and carrying, and while being placed on horizontal ridge also guarantees The rigidity of liner plate;
3, the structure of fixture, each stressed member are all more able to satisfy currently practical construction environment, ensure that the rigidity of fixture , while will be near minimum by material with the fixed degree of reliability, reduce construction personnel's load;
4, the reform of fixed device substantially increases the efficiency of construction, reduces the working time of outdoor high altitude operation personnel.
Detailed description of the invention
It, below will be to attached drawing required in specific embodiment in order to illustrate more clearly of the specific embodiment of the invention It is briefly described, the attached drawing in following description is embodiments of the present invention.
Fig. 1 is that present example provides the flexible photovoltaic board fixer and installation method on a kind of light weight steel structure roof Total schematic diagram;
Fig. 2 is that present example provides the flexible photovoltaic board fixer and installation method on a kind of light weight steel structure roof Diagrammatic cross-section;
Fig. 3 is that present example provides the flexible photovoltaic board fixer and installation method on a kind of light weight steel structure roof Section partial enlargement diagram;
Fig. 4 is that present example provides the flexible photovoltaic board fixer and installation method on a kind of light weight steel structure roof Fixture schematic diagram;
Fig. 5 is that present example provides the flexible photovoltaic board fixer and installation method on a kind of light weight steel structure roof Fixture diagrammatic cross-section.
In figure:
1, fixture, the 11, first fixture, the 12, second fixture, 13, bolt, 14, nut,
111, the first pressed end, 112, lower carrier plate, 113, connecting plate, 114, upper supporting plate, 115, protrusion,
121, the second pressed end, 122, supporting plate, 123, groove, 124, lower plate, 125, upper flat plate,
2, crimping, 3, liner plate, 31, flanging.
Specific embodiment
In order to clearly, clearly state specific implementation purpose and embodiment of the invention, below will be to this hair Bright technical solution is completely described, and described embodiments are some of the embodiments of the present invention, rather than whole embodiments. Under the premise of not making creative work, the every other embodiment based on embodiment described in the invention belongs to this hair Bright protection scope.
A kind of flexible photovoltaic board fixer on light weight steel structure roof of the present invention:
As shown in Figure 1, the fixed device includes rectangle liner plate 3, the galvanized sheet strong using rust-proofing corrosion resistant ability of liner plate 3 Material, the photovoltaic panel are pasted in the plate face of liner plate 3, and the stickup of flexible photovoltaic plate uses main component for cyanoacrylate Glue, the firmness sticked to reinforce flexible photovoltaic plate ontology, prevents colloid aging from falling off, and improves binding speed, shortens Construction period.As shown in Fig. 2, the two sides longitudinal direction of liner plate 3 is provided with perpendicular flanging 31, the width of liner plate 3 is equal to The spacing of 2 inside of two adjacent groups lightweight steel construction crimping, when liner plate 3 is placed in the horizontal ridge of lightweight steel construction, the flanging 31 of liner plate 3 It is fitted closely with the inner sidewall of lightweight steel construction crimping 2,3 bottom surface of liner plate and the horizontal ridge of 2 bottom end of lightweight steel construction crimping closely paste It closes.The trench structure of the liner plate 3 can be improved the rigidity that liner plate 3 is placed on ridge, can be effectively prevented in construction period Liner plate 3 fractures when carrying.
The fixed device further includes multiple fixtures 1, as shown in Figure 1, there are six fixtures 1 to carry out for setting altogether for every block of liner plate 3 Fixed, while guaranteeing its rigid, it is negative to reduce weight reduction construction personnel using the injection molding aluminum profile of easy processing for fixture 1 Lotus, as shown in figure 4, fixture 1 includes the first fixture 11 and the second fixture 12, the first fixture 11 and the second fixture 12 are for clamping volume The two sides on side 2.
As shown in figure 5, first fixture 11 includes vertically disposed lower carrier plate 112, in the bottom sidewall of lower carrier plate 112 It is provided with first pressed end 111 vertical with lower carrier plate 112, oriented first compression end is fixedly installed in the top of lower carrier plate 112 First 111 inclined connecting plate 113,113 top of connecting plate is fixedly installed the upper supporting plate 114 parallel with lower carrier plate 112, upper supporting plate 114 Side wall towards the first pressed end 111 is coplanar with the vertical sidewall of the first pressed end 111, the top of upper supporting plate 114 towards The side of first pressed end 111 is provided with the protrusion 115 vertical with upper supporting plate 114.
Second fixture 12 includes vertically disposed supporting plate 122, and the bottom of supporting plate 122 is towards the side of the first fixture 11 It is provided with second pressed end 121 vertical with supporting plate 122, the vertical height of the second pressed end 121 is equal to the first compression end The top of first 111 vertical height, supporting plate 122 is respectively arranged with and supporting plate 122 from top to bottom towards the side of the first fixture 11 Vertical upper flat plate 125 and lower plate 124, upper flat plate 125, lower plate 124, supporting plate 122 form the groove of "U" shape structure 123。
As shown in Figure 3 and Figure 4, raised 115 activity is inserted in groove 123, makes the first fixture 11 and the second fixture 12 are integrally formed component, and are horizontally disposed at least two groups on the supporting plate 122 below upper supporting plate 114 and lower plate 124 and lead to Hole, the interior sliding of through-hole, which plugs, is equipped with bolt 13, is spirally connected on bolt 13 and is provided with nut 14, set bolt 13 and nut 14 all use Stainless steel material.As shown in figure 3, locking nut 14 keeps the first pressed end 111 and the second pressed end 121 that liner plate 3 is reliable It compresses, is provided with anti-skidding ripple on the end face on set first pressed end 111 and the second pressed end 121 for clamping, use In the firmness for improving the crimping of fixture 1.
The content of embodiment in summary below will consolidate a kind of flexible photovoltaic plate on light weight steel structure roof of the present invention The installation method for determining device is described further:
A, liner plate 3 is processed, the width according to the spacing of 2 inside of two adjacent groups lightweight steel construction crimping as liner plate 3 is rolled up simultaneously Height of the vertical elevation of 2 lower section of side as flanging 31;
B, the liner plate 3 processed is placed on the horizontal ridge between adjacent crimping 2, makes flanging 31 and crimping 2, with And liner plate 3 is bonded tightly to each other with ridge;
C, the first fixture 11 and the second fixture 12 are respectively placed in the two sides of two neighboring flanging 31:
1. for the liner plate 3 of head end, the first pressed end 111 is bonded tightly to each other with crimping 2 and horizontal ridge, and second Pressed end 121 is bonded tightly to each other with the bottom plate of liner plate 3 and flanging 31;
2. for the liner plate 3 of end, the first pressed end 111 is bonded tightly to each other with the bottom plate of liner plate 3 and flanging 31, Second pressed end 121 is bonded tightly to each other with crimping 2 and horizontal ridge;
D, the nut 14 in through-hole on plugged bolt 13 is tightened, locking clamping apparatus 1 is until liner plate 3 is reliably fixed with crimping 2;
E, it uses main component for the glue of cyanoacrylate, flexible photovoltaic plate ontology is pasted on to the plate face of liner plate 3 On upper central location, the firmness sticked to reinforce flexible photovoltaic plate ontology prevents colloid aging from falling off, and improves bonding speed Degree shortens construction period;
F, after liner plate 3 is fixed, by the busbar joint series connection grafting of adjacent photovoltaic board group part, the bus of head and end is connect Head is electrically connected in photovoltaic electrical cabinet and net means.
In above-mentioned work progress, locking clamping apparatus 1 and the work for sticking flexible photovoltaic plate ontology, construction personnel should be in crimping Walking plate is set up on 2, and is constructed in limp of being expert at, and construction period forbids trampling liner plate 3.
With above-mentioned foundation, a kind of flexible photovoltaic board fixer on light weight steel structure roof of the present invention and installation method Embodiment is enlightenment, and through the above description, relevant staff completely can be without departing from this invention technical idea In the range of, carry out various changes and amendments.The technical scope of the present invention is not limited to the contents of the specification, The technical scope of the invention should be determined in accordance with the scope of the claims.

Claims (8)

1. a kind of flexible photovoltaic board fixer on light weight steel structure roof, it is characterised in that:
The fixed device includes rectangle liner plate (3), and the photovoltaic panel is pasted in the plate face of liner plate (3), the two sides of liner plate (3) Longitudinal direction is provided with perpendicular flanging (31), when liner plate (3) is placed in the horizontal ridge of lightweight steel construction, liner plate (3) Flanging (31) and the inner sidewall of lightweight steel construction crimping (2) fit closely, liner plate (3) bottom surface and lightweight steel construction crimping (2) bottom end Horizontal ridge fits closely,
The fixed device further includes multiple fixtures (1), and fixture (1) includes the first fixture (11) and the second fixture (12), and first Fixture (11) and the second fixture (12) are used for gripping tab (31) and crimping (2),
First fixture (11) includes vertically disposed lower carrier plate (112), be provided in the bottom sidewall of lower carrier plate (112) with Oriented first pressed end is fixedly installed in the top of vertical the first pressed end (111) of lower carrier plate (112), lower carrier plate (112) (111) inclined connecting plate (113), connecting plate (113) top are fixedly installed the upper supporting plate parallel with lower carrier plate (112) (114), on Side wall of the supporting plate (114) towards the first pressed end (111) is coplanar with the vertical sidewall of the first pressed end (111), upper supporting plate (114) top is provided with the protrusion vertical with upper supporting plate (114) (115) towards the side of the first pressed end (111),
Second fixture (12) includes vertically disposed supporting plate (122), and the bottom of supporting plate (122) is towards the first fixture (11) Side is provided with second pressed end (121) vertical with supporting plate (122), and the vertical height of the second pressed end (121) is equal to Distinguish from top to bottom towards the side of the first fixture (11) at the top of the vertical height of first pressed end (111), supporting plate (122) It is provided with the upper flat plate vertical with supporting plate (122) (125) and lower plate (124), upper flat plate (125), lower plate (124), supporting plate (122) groove (123) of "U" shape structure is formed,
Described protrusion (115) activity is inserted in groove (123), so that the first fixture (11) and the second fixture (12) is formed as one whole Body component, and at least two groups through-hole, through-hole are horizontally disposed on the supporting plate (122) below upper supporting plate (114) and lower plate (124) Interior sliding, which plugs, to be equipped with bolt (13), is spirally connected and is provided with nut (14) on bolt (13), locking nut (14) makes the first compression end Head (111) and the second pressed end (121) reliably compress liner plate (3).
2. a kind of flexible photovoltaic board fixer on light weight steel structure roof according to claim 1, it is characterised in that:
The liner plate (3) uses zinc-plated plate, for improving the rust-proofing corrosion resistant ability of liner plate (3).
3. a kind of flexible photovoltaic board fixer on light weight steel structure roof according to claim 1, it is characterised in that:
The bolt (13) and nut (14) use stainless steel material.
4. a kind of flexible photovoltaic board fixer on light weight steel structure roof according to claim 1, it is characterised in that:
The fixture (1) uses the injection molding aluminum profile of easy processing, while guaranteeing its rigid, reduces weight and reduces constructor Member's load.
5. a kind of flexible photovoltaic board fixer on light weight steel structure roof according to claim 1, it is characterised in that:
It is provided with anti-skidding ripple on end face on first pressed end (111) and the second pressed end (121) for clamping, For improving the firmness of fixture (1) crimping.
6. according to claim 1 to a kind of flexible photovoltaic method of plate installation on light weight steel structure roof any in 6, It is characterized in that:
A, liner plate (3) are processed, the width according to the spacing on the inside of two adjacent groups lightweight steel construction crimping (2) as liner plate (3), simultaneously Height of the vertical elevation as flanging (31) below crimping (2);
B, the liner plate processed (3) is placed on the horizontal ridge surrounded between adjacent crimping (2), makes flanging (31) and crimping (2), and, liner plate (3) is bonded tightly to each other with ridge;
C, the first fixture (11) and the second fixture (12) are respectively placed in the two sides of two neighboring flanging (31), wherein for head The liner plate (3) at last both ends, fixture (1) side are contacted with flanging (31), and the other side is directly contacted with crimping (2);
D, the nut (14) in through-hole on plugged bolt (13) is tightened, locking clamping apparatus (1) is until liner plate (3) and crimping (2) can By fixation;
E, flexible photovoltaic plate ontology is pasted in the plate face of liner plate (3) on central location;
F, after liner plate (3) is fixed, by the first busbar joint (22-A) of adjacent photovoltaic board group part (2) and the second busbar joint (22-B) connects grafting, the first busbar joint (22-A) and the second busbar joint (22-B) of head and end in photovoltaic electrical cabinet And net means be electrically connected.
7. a kind of flexible photovoltaic method of plate installation on light weight steel structure roof according to claim 6, it is characterised in that:
The stickup of the flexible photovoltaic plate ontology uses main component for the glue of cyanoacrylate, to reinforce flexible photovoltaic The firmness that plate ontology sticks prevents colloid aging from falling off, and improves binding speed, shortens construction period.
8. a kind of flexible photovoltaic method of plate installation on light weight steel structure roof according to claim 6, it is characterised in that:
It the locking clamping apparatus (1) and sticks in the work progress of flexible photovoltaic plate ontology, construction personnel should be in crimping (2) restocking If walking plate, and construct in limp of being expert at, construction period forbids trampling liner plate (3).
CN201811053201.2A 2018-09-10 2018-09-10 Flexible photovoltaic panel fixing device and mounting method for light steel structure building roof Active CN109039234B (en)

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CN201811053201.2A CN109039234B (en) 2018-09-10 2018-09-10 Flexible photovoltaic panel fixing device and mounting method for light steel structure building roof

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CN201811053201.2A CN109039234B (en) 2018-09-10 2018-09-10 Flexible photovoltaic panel fixing device and mounting method for light steel structure building roof

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CN109039234B CN109039234B (en) 2020-04-21

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201915566U (en) * 2010-12-08 2011-08-03 中冶建筑研究总院有限公司 Integral electro-optical light roof
CN202094144U (en) * 2011-06-23 2011-12-28 上海精锐金属建筑系统有限公司 Profiled metal sheet for flexible solar cell
CN204559472U (en) * 2015-04-30 2015-08-12 北京汉能光伏投资有限公司 Power station, roof assembly structure
CN207166407U (en) * 2017-08-04 2018-03-30 北京汉能薄膜发电技术有限公司 The direct buckle installation rearmounted flexible photovoltaic unit of terminal box of roofing
CN207484840U (en) * 2017-11-28 2018-06-12 深圳市特瑞林科技有限公司 Without guide rail color steel roofing fixture

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201915566U (en) * 2010-12-08 2011-08-03 中冶建筑研究总院有限公司 Integral electro-optical light roof
CN202094144U (en) * 2011-06-23 2011-12-28 上海精锐金属建筑系统有限公司 Profiled metal sheet for flexible solar cell
CN204559472U (en) * 2015-04-30 2015-08-12 北京汉能光伏投资有限公司 Power station, roof assembly structure
CN207166407U (en) * 2017-08-04 2018-03-30 北京汉能薄膜发电技术有限公司 The direct buckle installation rearmounted flexible photovoltaic unit of terminal box of roofing
CN207484840U (en) * 2017-11-28 2018-06-12 深圳市特瑞林科技有限公司 Without guide rail color steel roofing fixture

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