CN114991396A - Solar photovoltaic steel structure lightning protection roof and construction method thereof - Google Patents

Solar photovoltaic steel structure lightning protection roof and construction method thereof Download PDF

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Publication number
CN114991396A
CN114991396A CN202210656725.0A CN202210656725A CN114991396A CN 114991396 A CN114991396 A CN 114991396A CN 202210656725 A CN202210656725 A CN 202210656725A CN 114991396 A CN114991396 A CN 114991396A
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CN
China
Prior art keywords
lightning
frame
buttresses
roof
photovoltaic
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
CN202210656725.0A
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Chinese (zh)
Inventor
曾宏强
林宝东
黄贵
韦年达
陈少刚
丁贤虎
王宇峰
粟汝强
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.)
China Construction Eighth Engineering Divion Southern Construction Co Ltd
Original Assignee
China Construction Eighth Engineering Divion Southern Construction 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 China Construction Eighth Engineering Divion Southern Construction Co Ltd filed Critical China Construction Eighth Engineering Divion Southern Construction Co Ltd
Priority to CN202210656725.0A priority Critical patent/CN114991396A/en
Publication of CN114991396A publication Critical patent/CN114991396A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04DROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/58Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
    • H01R4/66Connections with the terrestrial mass, e.g. earth plate, earth pin
    • 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
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

Abstract

The invention discloses a lightning protection roof with a solar photovoltaic steel structure and a construction method thereof, wherein the roof comprises the following components: the roof panel comprises a truss plate arranged on the roof of the main structure and a concrete layer poured on the truss plate, wherein a plurality of buttresses are formed at the upper part of the concrete layer, conductive pieces are embedded in the buttresses, and the conductive pieces are connected with floor steel bars in the concrete layer; the metal supporting frame comprises upright columns, a frame and a waterproof lining plate, wherein the upright columns are vertically arranged on the buttresses and connected to the conductive piece, the frame is arranged on the upright columns on the multiple buttresses, and the waterproof lining plate is laid on the frame; the photovoltaic panels are laid above the waterproof lining plate, and splicing seams are formed between every two adjacent photovoltaic panels; and the connection structure comprises a plurality of lightning-guiding rods penetrating through the splicing seams, the upper ends of the lightning-guiding rods extend to the upper side of the photovoltaic panel, the lower ends of the lightning-guiding rods penetrate through the waterproof lining plate and are connected to the frame, and a connecting rod is connected between every two adjacent lightning-guiding rods. The invention solves the problem that the conventional lightning protection method for the solar photovoltaic roof cannot effectively protect the solar photovoltaic roof from lightning.

Description

Solar photovoltaic steel structure lightning protection roof and construction method thereof
Technical Field
The invention relates to the technical field of building construction, in particular to a solar photovoltaic steel structure lightning protection roof and a construction method thereof.
Background
The conventional steel structure solar photovoltaic panel roof adopts the lightning protection belt connection of a roof panel and a parapet wall, and the conventional lightning protection method can not effectively protect the solar photovoltaic panel.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is already known to a person skilled in the art.
Disclosure of Invention
In order to overcome the defects in the prior art, the solar photovoltaic steel structure lightning protection roof and the construction method thereof are provided so as to solve the problem that the conventional lightning protection method for the solar photovoltaic roof cannot effectively protect the solar photovoltaic panel from lightning.
In order to realize the above-mentioned purpose, provide a solar photovoltaic steel construction lightning protection roofing, include:
the roof panel comprises a truss plate arranged on the roof of a main structure and a concrete layer poured on the truss plate, wherein floor steel bars are embedded in the concrete layer and connected to a ground wire of the main structure, a plurality of buttresses are formed at the upper part of the concrete layer, conductive pieces are embedded in the buttresses, and the conductive pieces are connected to the floor steel bars;
the metal support frame comprises upright columns, a frame and waterproof lining plates, the upright columns are vertically arranged on the buttresses and connected to the conductive piece, the frame is arranged on the upright columns on the multiple buttresses, and the waterproof lining plates are laid on the frame;
the photovoltaic plates are laid above the waterproof lining plate, and splicing seams are formed between every two adjacent photovoltaic plates; and
connect and draw the structure, including many thunder leading poles, the thunder leading pole is worn to locate in the concatenation seam, the upper end of thunder leading pole extends the top of photovoltaic board, the lower extreme of thunder leading pole runs through waterproof welt and connect in the frame, many the thunder leading pole is the matrix and lays, is connected with the tie rod between the upper end of two adjacent thunder leading poles, and the thunder and lightning is being connected with after drawing the structure and attracting via the metal supporting rack electrically conductive piece floor reinforcing bar with the earth connection is leading-in with the thunder and lightning in the foundation of major structure.
Furthermore, the bottom end of the stand column is connected with a column foot plate, an embedded plate is embedded in the top of the buttress, the column foot plate is connected with the embedded plate, the upper end of the conductive piece is connected with the embedded plate, and the lower end of the conductive piece is connected with the floor reinforcing steel bar.
Furthermore, the inner side of the embedded plate is connected with an anchoring rod, and the anchoring rod is embedded in the buttress.
Further, the conductive pieces are vertically arranged, the upper ends and the lower ends of the conductive pieces respectively extend to form connecting sections, the connecting sections and the conductive pieces are arranged at an angle, and the connecting sections at the upper ends of the conductive pieces are fixedly connected to the inner sides of the embedded plates.
Further, the frame comprises a plurality of first cross beams arranged at intervals along a first horizontal direction and a second cross beam connected between two adjacent first cross beams.
The invention provides a construction method of a solar photovoltaic steel structure lightning protection roof, which comprises the following steps:
after the main structure construction is finished, installing truss plates on the roofs of the main structure and pouring concrete layers on the truss plates to form roof plates, embedding floor reinforcing steel bars in the concrete and forming a plurality of buttresses on the upper portions of the concrete layers when the concrete layers are poured, connecting the floor reinforcing steel bars to the grounding wires of the main structure, embedding conductive pieces in the buttresses, and connecting the conductive pieces to the floor reinforcing steel bars;
installing upright posts on the buttresses, installing a wide street on the upright posts of the buttresses, and paving a waterproof lining plate on the frame to form a metal support frame;
laying a plurality of photovoltaic plates above the waterproof lining plate, wherein splicing seams are formed between every two adjacent photovoltaic plates;
a plurality of lightning guiding rods penetrate through the splicing seams, the lower ends of the lightning guiding rods penetrate through the waterproof lining plate and are connected to the frame, so that the upper ends of the lightning guiding rods extend to the upper side of the photovoltaic panel, and the lightning guiding rods are arranged in a matrix form;
and connecting tie bars between the upper ends of two adjacent lightning guiding rods to form the connecting structure.
The solar photovoltaic steel structure lightning protection roof has the advantages that the lightning protection system of the photovoltaic plate is constructed on the roof, lightning is guided into the foundation below the main structure through the lightning protection system, the lightning protection system comprises the connecting and guiding structure formed above the photovoltaic plate, the metal supporting frame of the roof, the conductive piece in the buttress, the floor steel bar in the roof plate and the ground wire in the main structure, and through the conducted lightning protection system, the lightning in the thunderstorm weather is attracted by the conductive metal connecting and guiding structure into the foundation through the lightning protection system, so that the lightning is prevented from puncturing the photovoltaic plate, and the effective lightning protection of the photovoltaic plate is realized.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
fig. 1 is a schematic structural diagram of a solar photovoltaic steel structure lightning protection roof according to an embodiment of the invention.
Fig. 2 is a schematic structural diagram of a connection structure according to an embodiment of the present invention.
Fig. 3 is a top view of a lead structure according to an embodiment of the invention.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 1 to 3, the present invention provides a solar photovoltaic steel structure lightning protection roof, including: the photovoltaic roof comprises a roof panel 1, a metal supporting frame 2, a plurality of photovoltaic panels 3 and a lead connecting structure 4.
In particular, the roof panel 1 comprises truss plates and a concrete layer. Wherein the truss plates are mounted on the roof of the main structure 5. The concrete layer is poured above the truss plates. The concrete layer is embedded with floor steel bars. The floor reinforcing steel bars are connected to the grounding wire of the main structure 5.
A plurality of buttresses 11 are formed on the upper portion of the concrete layer. A conductive member 12 is embedded in the buttress 11, and the conductive member 12 is connected to the floor reinforcing steel bar.
The metal supporting frame 2 comprises uprights 21, a frame 22 and a waterproof lining 23. Wherein, the waterproof lining board is an aluminum veneer. The upright 21 is vertically disposed on the abutment 11 and connected to the conductive member 12. The frame 22 is mounted to the uprights 21 of the plurality of piers 11. A waterproof liner 23 is laid on the frame 22.
The number of photovoltaic panels 3 is several. Photovoltaic panels, i.e. photovoltaic panel assemblies, are power generation devices that generate direct current in the sun, and consist of thin solid photovoltaic cells made of semiconductor materials (e.g. silicon). Each photovoltaic panel is rectangular. The photovoltaic panels 3 are arranged in a matrix manner. The photovoltaic panels 3 are laid above the waterproof lining plate 23. A splice seam is formed between adjacent photovoltaic panels 3.
The lead structure 4 is used for leading lightning to avoid the lightning from breaking down the photovoltaic panel. Specifically, the guiding structure comprises a plurality of lightning guiding rods 41 and a connecting rod 42.
The lightning rod 41 is arranged in the splicing seam in a penetrating way. The upper end of the lightning rod 41 extends to the upper part of the photovoltaic panel 3. The lower end of the lightning rod 41 penetrates the waterproof lining board and is connected to the frame 22. The plurality of lightning rods 41 are arranged in a matrix form. A connecting rod 42 is connected between the upper ends of two adjacent lightning guiding rods 41.
Lightning in thunderstorm weather is attracted by the conductive metal lead-through structure. The lightning is attracted by the lead structure 4 and conducted to the foundation of the main structure 5 via the metal support frame 2, the conductive member 12, the floor reinforcement and the ground wire.
According to the solar photovoltaic steel structure lightning protection roof, the lightning protection system of the photovoltaic plate is constructed on the roof, lightning is guided into the foundation below the main structure through the lightning protection system, the lightning protection system comprises the connecting and leading structure formed above the photovoltaic plate, the metal supporting frame of the roof, the conductive piece in the buttress, the floor steel bar in the roof plate and the grounding wire in the main structure, and the lightning in the thunderstorm weather is attracted by the conductive metal connecting and leading structure into the foundation through the lightning protection system through the conducted lightning protection system, so that the lightning is prevented from puncturing the photovoltaic plate, and the effective lightning protection of the photovoltaic plate is realized.
In a preferred embodiment, a toe plate is attached to the bottom end of the upright 21. The embedded plate 13 is embedded in the top of the buttress 11. The toe board is connected to the embedded plate 13. The upper end of the conductive member 12 is connected to the embedded board 13. The lower end of the conductive member 12 is connected to the floor reinforcing bars.
Wherein, the inside of pre-buried board 13 is connected with anchor rod 14, and anchor rod buries in buttress 11.
In this embodiment, the conductive member is a C-shaped round bar. Specifically, the conductive member 12 is vertically disposed. The upper and lower ends of the conductive member 12 extend to form connection sections, respectively. The connecting section is arranged at an angle to the conductive member 12. The connecting section of the upper end of the conductive piece 12 is fixedly connected to the inner side of the embedded plate 13.
In the present embodiment, the frame 22 includes a plurality of first cross members arranged at intervals in the first horizontal direction and a second cross member connected between two adjacent first cross members. When the lightning rod is installed, the lower end of the lightning rod penetrates through the waterproof lining plate and then is welded and connected to the first cross beam or the second cross beam of the frame.
In a preferred embodiment, the first beam and the second beam are perpendicular to each other, and the frame is in a grid shape.
The invention provides a construction method of a solar photovoltaic steel structure lightning protection roof, which comprises the following steps:
s1: after the main structure 5 is constructed, truss plates are installed on the roofs of the main structure 5, concrete layers are poured on the truss plates to form the roof panel 1, when the concrete layers are poured, floor reinforcing steel bars are buried in the concrete, a plurality of buttresses 11 are formed on the upper portions of the concrete layers, the floor reinforcing steel bars are connected to the grounding wires of the main structure 5, conductive pieces 12 are buried in the buttresses 11 in advance, and the conductive pieces 12 are connected to the floor reinforcing steel bars.
The top of the main structure is formed with a steel structure (truss beam). The steel structure of the top of the truss plate main structure is used for pouring concrete to form a concrete roof floor slab.
S2: the pillars 11 are provided with columns 21, the pillars 21 of the pillars 11 are provided with streets, and the frame 22 is laid with waterproof lining boards 23 to form the metal support frame 2.
The embedded parts reserved in advance are connected with the stand columns, and then an integral supporting frame is formed on the stand columns, so that a framework is formed above the concrete roof panel. And (3) mounting the aluminum single plates on the framework to form a metal roof which is parallel to the concrete floor, and forming a flat metal roof after the aluminum single plates are mounted.
S3: a plurality of photovoltaic plates 3 are laid above the waterproof lining plate 23, and splicing seams are formed between the adjacent photovoltaic plates 3.
After the aluminum veneer is installed, a photovoltaic panel is installed and connected on the aluminum veneer through an angle bracket. The photovoltaic panel is parallel to the roof panel and keeps flat. Each unit plate is directly connected, so that the photovoltaic panel forms a whole for generating electricity, and the electricity is used for lighting electrical appliances through storage of the storage battery. And a gap of 20mm, namely a splicing seam, is reserved between the photovoltaic panel and the photovoltaic panel. The splicing seam is used for welding connection between the follow-up lightning rod and the frame.
S4: wear to establish many induced lightning poles 41 in the splice seam to run through waterproof welt and connect in frame 22 with the lower extreme of induced lightning pole 41, make the upper end of induced lightning pole 41 extend the top of photovoltaic board 3, many induced lightning poles 41 are the matrix and lay.
S5: the tie bars 42 are connected between the upper ends of two adjacent lightning rods 41 to form the connecting structure 4.
The lightning rod is welded with the frame. Many lightning rod lead along the outer fringe interval setting of polylith photovoltaic board to connect two lightning rod adjacent through the connecting rod and carry out the structure that connects of grid shape, lightning protection wall promptly. When the lightning rod is connected with the connecting rod, effective lap welding is carried out, the lightning rod and the connecting rod are round steel, and the welding length of the round steel is more than or equal to 6 times of the diameter and is not less than 80 mm.
In some embodiments, it is preferable that the lower end of the lightning rod is externally sleeved with an insulating layer to prevent lightning from being conducted to the waterproof lining plate. The lower surface of the waterproof lining plate is paved with an insulating layer to isolate the electrical connection between the frame and the waterproof lining plate.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims (6)

1. The utility model provides a solar photovoltaic steel construction lightning protection roofing which characterized in that includes:
the roof panel comprises a truss plate arranged on the roof of a main structure and a concrete layer poured on the truss plate, wherein floor steel bars are embedded in the concrete layer and connected to a ground wire of the main structure, a plurality of buttresses are formed at the upper part of the concrete layer, conductive pieces are embedded in the buttresses, and the conductive pieces are connected to the floor steel bars;
the metal support frame comprises upright columns, a frame and waterproof lining plates, the upright columns are vertically arranged on the buttresses and connected to the conductive piece, the frame is arranged on the upright columns on the multiple buttresses, and the waterproof lining plates are laid on the frame;
the photovoltaic plates are laid above the waterproof lining plate, and splicing seams are formed between every two adjacent photovoltaic plates; and
and the lightning guiding structure comprises a plurality of lightning guiding rods, the lightning guiding rods penetrate through the splicing seams, the upper ends of the lightning guiding rods extend to the upper side of the photovoltaic panel, the lower ends of the lightning guiding rods penetrate through the waterproof lining plate and are connected to the frame, a plurality of lightning guiding rods are arranged in a matrix mode, a connecting rod is connected between the upper ends of two adjacent lightning guiding rods, and thunder and lightning are conducted into the foundation of the main structure through the metal supporting frame after the lightning guiding structure attracts the conductive pieces.
2. The solar photovoltaic steel structure lightning protection roof according to claim 1, wherein the bottom ends of the pillars are connected with pillar panels, embedded plates are embedded in the tops of the buttresses, the pillar panels are connected to the embedded plates, the upper ends of the conductive pieces are connected to the embedded plates, and the lower ends of the conductive pieces are connected to the floor reinforcing steel bars.
3. The solar photovoltaic steel structure lightning protection roof according to claim 2, wherein the inner side of the embedded plate is connected with an anchoring rod, and the anchoring rod is embedded in the buttress.
4. The solar photovoltaic steel structure lightning protection roof as claimed in claim 2, wherein the conductive member is vertically disposed, the upper end and the lower end of the conductive member respectively extend to form a connection section, the connection section is disposed at an angle to the conductive member, and the connection section at the upper end of the conductive member is fixedly connected to the inner side of the pre-buried plate.
5. The solar photovoltaic steel structure lightning protection roof according to claim 1, wherein the frame comprises a plurality of first beams spaced apart along a first horizontal direction and a second beam connected between two adjacent first beams.
6. The construction method of the solar photovoltaic steel structure lightning protection roof as claimed in any one of claims 1 to 5, characterized by comprising the following steps:
after the construction of the main structure is completed, installing truss plates on the roofs of the main structure, pouring concrete layers on the truss plates to form roof boards, embedding floor steel bars in the concrete and forming a plurality of buttresses on the upper parts of the concrete layers when the concrete layers are poured, connecting the floor steel bars to the grounding wire of the main structure, embedding conductive pieces in the buttresses, and connecting the conductive pieces to the floor steel bars;
installing upright posts on the buttresses, installing a wide street on the upright posts of the buttresses, and paving a waterproof lining plate on the frame to form a metal support frame;
laying a plurality of photovoltaic plates above the waterproof lining plate, wherein splicing seams are formed between every two adjacent photovoltaic plates;
a plurality of lightning guiding rods penetrate through the splicing seams, the lower ends of the lightning guiding rods penetrate through the waterproof lining plate and are connected to the frame, so that the upper ends of the lightning guiding rods extend to the upper side of the photovoltaic panel, and the lightning guiding rods are arranged in a matrix form;
and connecting tie bars between the upper ends of two adjacent lightning guiding rods to form the connecting structure.
CN202210656725.0A 2022-06-10 2022-06-10 Solar photovoltaic steel structure lightning protection roof and construction method thereof Pending CN114991396A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210656725.0A CN114991396A (en) 2022-06-10 2022-06-10 Solar photovoltaic steel structure lightning protection roof and construction method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210656725.0A CN114991396A (en) 2022-06-10 2022-06-10 Solar photovoltaic steel structure lightning protection roof and construction method thereof

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CN114991396A true CN114991396A (en) 2022-09-02

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102810587A (en) * 2011-04-05 2012-12-05 通用电气公司 Photovoltaic mounting system with grounding bars and method of installing same
US20140048124A1 (en) * 2011-03-30 2014-02-20 Gi Ju Park Solar cell module support structure
CN207277705U (en) * 2017-09-22 2018-04-27 江苏印加新能源科技股份有限公司 Lightning-protection system
CN109025078A (en) * 2018-08-02 2018-12-18 中国十七冶集团有限公司 A kind of lightning protection metal Roof and construction method
CN210468155U (en) * 2019-09-11 2020-05-05 江苏科能电力工程咨询有限公司 Measurable lightning protection grounding system suitable for complementary photovoltaic power plant of farming light
CN210518216U (en) * 2019-10-15 2020-05-12 合肥阳光新能源科技有限公司 Lightning protection system of photovoltaic building
CN111677192A (en) * 2020-06-03 2020-09-18 浙江大学建筑设计研究院有限公司 Lightning protection downlead structure of fabricated building and construction method
CN111910994A (en) * 2020-08-21 2020-11-10 国核电力规划设计研究院重庆有限公司 Fence combined with roof photovoltaic square matrix and installation method

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140048124A1 (en) * 2011-03-30 2014-02-20 Gi Ju Park Solar cell module support structure
CN102810587A (en) * 2011-04-05 2012-12-05 通用电气公司 Photovoltaic mounting system with grounding bars and method of installing same
CN207277705U (en) * 2017-09-22 2018-04-27 江苏印加新能源科技股份有限公司 Lightning-protection system
CN109025078A (en) * 2018-08-02 2018-12-18 中国十七冶集团有限公司 A kind of lightning protection metal Roof and construction method
CN210468155U (en) * 2019-09-11 2020-05-05 江苏科能电力工程咨询有限公司 Measurable lightning protection grounding system suitable for complementary photovoltaic power plant of farming light
CN210518216U (en) * 2019-10-15 2020-05-12 合肥阳光新能源科技有限公司 Lightning protection system of photovoltaic building
CN111677192A (en) * 2020-06-03 2020-09-18 浙江大学建筑设计研究院有限公司 Lightning protection downlead structure of fabricated building and construction method
CN111910994A (en) * 2020-08-21 2020-11-10 国核电力规划设计研究院重庆有限公司 Fence combined with roof photovoltaic square matrix and installation method

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