Roof photovoltaic lightning protection grounding device

Abstract

The utility model discloses a roof photovoltaic lightning protection grounding device, which relates to the technical field of photovoltaic power generation and comprises a lightning protection grounding assembly, lightning rod assemblies are arranged at two ends of the lightning protection grounding assembly, the lightning protection grounding assembly comprises two pieces of main grounding flat iron, and a plurality of photovoltaic power generation units are arranged between the two pieces of main grounding flat iron. The photovoltaic power generation units are arranged in a rectangular array, the bottom of each row of photovoltaic power generation units is provided with a branch grounding flat iron, the photovoltaic power generation units are electrically connected with the branch grounding flat iron, the two ends of the branch grounding flat iron are electrically connected with the main grounding flat iron, and the two ends of the main grounding flat iron are provided with grounding ends; according to the utility model, lightning protection grounding can be carried out on the roof photovoltaic power generation system, the lightning protection effect is effectively realized, the roof photovoltaic power generation system is prevented from being influenced by lightning stroke, and the practical value is high.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic power generation, in particular to a rooftop photovoltaic lightning protection grounding device. Background Art

[0002] Photovoltaic power generation is a technology that uses solar panels made of semiconductor materials (such as silicon) to convert sunlight directly into electricity. Rooftop-mounted photovoltaic systems are typically distributed photovoltaic systems and are exposed to the elements, making them susceptible to lightning strikes. Therefore, to protect the system and personnel, appropriate lightning protection measures are necessary.

[0003] Based on the above, the inventors have discovered the following problems: existing rooftop distributed photovoltaic systems usually lack photovoltaic grounding components, are easily affected by lightning strikes, pose safety hazards, and are inconvenient to use.

[0004] Therefore, in view of this, the existing structure and defects are studied and improved, and a rooftop photovoltaic lightning protection grounding device is provided in order to achieve a more practical purpose. Utility Model Content

[0005] The purpose of the utility model is to provide a rooftop photovoltaic lightning protection grounding device to solve the problems raised in the above background technology.

[0006] A rooftop photovoltaic lightning protection and grounding equipment includes a lightning protection and grounding assembly, with lightning rod assemblies provided at both ends of the lightning protection and grounding assembly. The lightning protection and grounding assembly includes two main grounding flat irons, with a number of photovoltaic power generation units provided between the two main grounding flat irons. The photovoltaic power generation units are arranged in a rectangular array, and a branch grounding flat iron is provided at the bottom of each row of photovoltaic power generation units. The photovoltaic power generation units are electrically connected to the branch grounding flat irons, and both ends of the branch grounding flat irons are electrically connected to the main grounding flat irons. Grounding terminals are provided at both ends of the main grounding flat irons.

[0007] By adopting the above technical solution, lightning rod assemblies are provided at both ends of the lightning protection grounding assembly to prevent the photovoltaic power generation unit from being struck by lightning. The photovoltaic power generation units are arranged in a rectangular array to maximize the illumination area and facilitate installation. The photovoltaic power generation unit is electrically connected to the branch grounding flat iron, and both ends of the branch grounding flat iron are electrically connected to the main grounding flat iron, so that the main grounding flat iron and the branch grounding flat iron are combined to form an equipotential grid. Each photovoltaic power generation unit is electrically connected to the equipotential grid. Even if a fault or lightning strike occurs, no dangerous potential difference will be generated, thereby effectively preventing the risk of electric shock and equipment damage caused by the potential difference. Grounding terminals are provided at both ends of the main grounding flat iron, so that the equipotential grid formed by the combination of the main grounding flat iron and the branch grounding flat iron is electrically connected to the grounding grid of the building, and the lightning current is dispersed into the earth, thereby protecting the photovoltaic power generation unit and other equipment.

[0008] Further, the photovoltaic power generation unit comprises a photovoltaic solar panel, and a mounting rack is fixedly installed at the bottom of the photovoltaic solar panel.

[0009] By adopting the above technical scheme, the mounting rack is fixedly installed at the bottom of the photovoltaic solar panel, so that the photovoltaic solar panel can be fixedly installed.

[0010] Further, the mounting rack is provided with a photovoltaic panel grounding sheet at the top of both ends, and a support grounding sheet is arranged at the bottom of both ends of the mounting rack, and bolt holes are arranged at both ends of the photovoltaic panel grounding sheet and the support grounding sheet.

[0011] By adopting the above technical scheme, the bolt holes are arranged at both ends of the photovoltaic panel grounding sheet and the support grounding sheet, so that the conductive bolts can be used to electrically connect the photovoltaic solar panel, the mounting rack and the support grounding flat iron.

[0012] Further, the photovoltaic solar panel is provided with a grounding hole at the top of both ends, and the mounting rack is provided with a first connecting hole at the top of both sides.

[0013] By adopting the above technical scheme, the grounding hole is arranged at the top of both ends of the photovoltaic solar panel, and the first connecting hole is arranged at the top of both sides of the mounting rack, so that the conductive bolts can be respectively screwed into the bolt holes at both ends of the photovoltaic panel grounding sheet and the grounding hole and the first connecting hole, thereby electrically connecting the photovoltaic solar panel and the mounting rack, and achieving equal potential connection of the photovoltaic solar panel and the mounting rack, thereby improving the safety of the whole.

[0014] Further, the mounting rack is fixedly installed with a reinforcing frame at the middle of the bottom, and the reinforcing frame is provided with a second connecting hole at the top of both ends.

[0015] By adopting the above technical scheme, the reinforcing frame is fixedly installed at the middle of the bottom of the mounting rack, and the second connecting hole is arranged at the top of both ends of the reinforcing frame, so that the reinforcing frame can improve the overall strength of the mounting rack, and the conductive bolts can be used to electrically connect the reinforcing frame and the support grounding flat iron, thereby electrically connecting the photovoltaic power generation unit and the equal potential network formed by the main grounding flat iron and the support grounding flat iron, and effectively providing lightning protection for the photovoltaic power generation unit.

[0016] Further, the lightning rod assembly comprises a base, and a lightning rod is fixedly installed at the top of the base.

[0017] By adopting the above technical scheme, the lightning rod is fixedly installed at the top of the base, so that the lightning can be attracted and safely guided to the ground, thereby achieving the effect of lightning protection.

[0018] Further, a connecting flat iron is fixedly installed on one side of the base, and the connecting flat iron is electrically connected with the lightning rod and the main grounding flat iron at both ends.

[0019] By adopting the technical scheme, the lightning rod is electrically connected with the main grounding flat iron and the branch grounding flat iron, and the lightning rod can quickly guide lightning current to the ground when the lightning rod is struck by lightning.

[0020] Further, the lightning rod top end is in a sharp conical structure, and the lightning rod top is higher than the photovoltaic power generation unit.

[0021] By adopting the technical scheme, the lightning rod top is higher than the photovoltaic power generation unit, so that the lightning rod assembly can effectively prevent lightning for the photovoltaic power generation unit.

[0022] Compared with the prior art, the photovoltaic lightning protection grounding device has the advantages that: the lightning rod assemblies are arranged at both ends of the lightning protection grounding assembly, so that the photovoltaic power generation unit can be prevented from being struck by lightning; the photovoltaic power generation units are arranged in a rectangular array, so that the illumination area is maximized, and the photovoltaic power generation units are convenient to install; the photovoltaic power generation units are electrically connected with the branch grounding flat iron, and the branch grounding flat iron is electrically connected with the main grounding flat iron, so that the main grounding flat iron and the branch grounding flat iron are combined to form an equipotential network, each photovoltaic power generation unit is electrically connected with the equipotential network, even if a fault or lightning occurs, no dangerous potential difference is generated, so that the electric shock danger and equipment damage caused by the potential difference are effectively prevented; the main grounding flat iron is provided with grounding end heads at both ends, so that the equipotential network formed by the main grounding flat iron and the branch grounding flat iron is electrically connected with the grounding network of the building, and the lightning current is dispersed into the ground, so that the photovoltaic power generation unit and other equipment are protected; the photovoltaic lightning protection grounding device can prevent lightning for the roof photovoltaic power generation system, effectively prevent lightning, avoid the roof photovoltaic power generation system from being affected by lightning, and has high practical value. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 Fig. 1 is a perspective view of a roof photovoltaic lightning protection grounding device according to the present application;

[0024] Figure 2 Fig. 3 is a perspective view of a lightning protection grounding assembly according to the present application;

[0025] Figure 3 Fig. 5 is a perspective view of a photovoltaic power generation unit according to the present application;

[0026] Figure 4 Fig. 7 is an exploded view of the photovoltaic power generation unit according to the present application.

[0027] In the figure: 101, photovoltaic power generation unit; 10101, photovoltaic solar panel; 10102, mounting rack; 10103, photovoltaic panel grounding piece; 10104, reinforcing frame; 10105, support grounding piece; 10106, grounding hole; 10107, first connecting hole; 10108, second connecting hole; 10109, bolt hole; 102, lightning protection grounding assembly; 10201, main grounding flat iron; 10202, branch grounding flat iron; 10203, grounding end; 103, lightning rod assembly; 10301, base; 10302, lightning rod pole; 10303, connecting flat iron. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0029] Please refer to Figures 1-4The utility model provides a technical scheme: a roof photovoltaic lightning protection grounding equipment, including lightning protection grounding assembly 102, lightning protection grounding assembly 102 both ends are equipped with lightning rod assembly 103, pass through lightning protection grounding assembly 102 both ends are equipped with lightning rod assembly 103, it is convenient to avoid photovoltaic power generation unit 101 suffers from thunderbolt, lightning protection grounding assembly 102 includes two main ground flat iron 10201, and the two main ground flat iron 10201 between being equipped with a plurality of photovoltaic power generation unit 101, photovoltaic power generation unit 101 is arranged in rectangular array, pass through photovoltaic power generation unit 101 and be arranged in rectangular array, it is convenient to maximize illumination area, and it is convenient to install, and every row photovoltaic power generation unit 101 bottom is equipped with branch ground flat iron 10202, and photovoltaic power generation unit 101 is electrically connected with branch ground flat iron 10202, and branch ground flat iron 10202 both ends are electrically connected with main ground flat iron 10201, pass through photovoltaic power generation unit 101 and branch ground flat iron 10202 electrically connected, and branch ground flat iron 10202 both ends are electrically connected with main ground flat iron 10201, it is convenient that main ground flat iron 10201 and branch ground flat iron 10202 combination form equipotential electrical network, every photovoltaic power generation unit 101 is electrically connected with equipotential electrical network, even if failure or thunderbolt occurs, also can not produce dangerous potential difference, thereby effectively prevent the shock danger and equipment damage due to potential difference, main ground flat iron 10201 both ends are equipped with grounding terminal 10203, pass through main ground flat iron 10201 both ends and be equipped with grounding terminal 10203, it is convenient that main ground flat iron 10201 and branch ground flat iron 10202 combination form equipotential electrical network and the grounding grid of building electrically connected, lightning current is dispersed into the earth, thereby protecting photovoltaic power generation unit 101 and other equipment.

[0030] Wherein, photovoltaic power generation unit 101 includes photovoltaic solar panel 10101, photovoltaic solar panel 10101 bottom fixed mounting has mounting bracket 10102, pass through photovoltaic solar panel 10101 bottom fixed mounting has mounting bracket 10102, it is convenient to fix and install photovoltaic solar panel 10101.

[0031] Wherein, mounting bracket 10102 both ends top is equipped with photovoltaic panel grounding piece 10103, and mounting bracket 10102 both ends bottom is equipped with support grounding piece 10105, and photovoltaic panel grounding piece 10103 and support grounding piece 10105 both ends are equipped with bolt hole 10109, pass through photovoltaic panel grounding piece 10103 and support grounding piece 10105 both ends and be equipped with bolt hole 10109, it is convenient to use conductive bolt and be electrically connected with photovoltaic solar panel 10101 and mounting bracket 10102 and reinforcing frame 10104 and branch ground flat iron 10202.

[0032] The ground hole 10106 is arranged at the top of both ends of the photovoltaic solar panel 10101, and the first connecting hole 10107 is arranged at the top of both sides of the mounting frame 10102. The ground hole 10106 is arranged at the top of both ends of the photovoltaic solar panel 10101, and the first connecting hole 10107 is arranged at the top of both sides of the mounting frame 10102. The conductive bolt passes through the bolt hole 10109 at both ends of the photovoltaic panel grounding sheet 10103 and is respectively screwed with the ground hole 10106 and the first connecting hole 10107, so as to electrically connect the photovoltaic solar panel 10101 and the mounting frame 10102, thereby realizing the equipotential connection of the photovoltaic solar panel 10101 and the mounting frame 10102, and improving the safety of the whole.

[0033] The reinforcing frame 10104 is fixedly installed at the bottom of the mounting frame 10102, and the second connecting hole 10108 is arranged at the top of both ends of the reinforcing frame 10104. The reinforcing frame 10104 is fixedly installed at the bottom of the mounting frame 10102, and the second connecting hole 10108 is arranged at the top of both ends of the reinforcing frame 10104. The reinforcing frame 10104 improves the overall strength of the mounting frame 10102, and the conductive bolt passes through the bolt hole 10109 at both ends of the support grounding sheet 10105 to electrically connect the reinforcing frame 10104 and the support grounding sheet 10202, thereby electrically connecting the photovoltaic power generation unit 101 and the equipotential network formed by the main grounding sheet 10201 and the support grounding sheet 10202, and effectively providing lightning protection for the photovoltaic power generation unit 101.

[0034] The lightning rod assembly 103 includes a base 10301, and the lightning rod rod 10302 is fixedly installed at the top of the base 10301. The lightning rod rod 10302 is fixedly installed at the top of the base 10301, which is convenient for attracting lightning and safely guiding it to the ground, thereby achieving the effect of lightning protection.

[0035] The connecting flat iron 10303 is fixedly installed on one side of the base 10301, and the connecting flat iron 10303 is electrically connected with the lightning rod rod 10302 and the main grounding sheet 10201 at both ends, respectively. The connecting flat iron 10303 is electrically connected with the lightning rod rod 10302 and the main grounding sheet 10201 at both ends, respectively, which is convenient for electrically connecting the lightning rod rod 10302 with the equipotential network formed by the main grounding sheet 10201 and the support grounding sheet 10202, and facilitating the lightning rod rod 10302 to safely guide the lightning current to the ground when it is struck by lightning.

[0036] The top end of the lightning rod rod 10302 is in a sharp conical structure, and the top of the lightning rod rod 10302 is higher than the photovoltaic power generation unit 101. The top of the lightning rod rod 10302 is higher than the photovoltaic power generation unit 101, which is convenient for using the lightning rod assembly 103 to effectively protect the photovoltaic power generation unit 101 from lightning.

[0037] Specifically, the working principle of the roof photovoltaic lightning protection grounding device: in use, the photovoltaic power generation unit 101 is arranged in a rectangular array, which maximizes the light area and facilitates installation, the photovoltaic power generation unit 101 is electrically connected with the branch grounding flat iron 10202, and the two ends of the branch grounding flat iron 10202 are electrically connected with the main grounding flat iron 10201, which facilitates the combination of the main grounding flat iron 10201 and the branch grounding flat iron 10202 to form an equipotential network, each photovoltaic power generation unit 101 is electrically connected with the equipotential network, so that even if a fault or lightning occurs, no dangerous potential difference will be generated, thereby effectively preventing the risk of electric shock and damage to equipment caused by potential difference, the grounding hole 10106 is formed at the top of both ends of the photovoltaic solar panel 10101, the first connecting hole 10107 is formed at the top of both sides of the mounting frame 10102, the conductive bolt passes through the bolt hole 10109 at both ends of the photovoltaic panel grounding piece 10103 and is respectively screwed with the grounding hole 10106 and the first connecting hole 10107, realizing the electrical connection between the photovoltaic solar panel 10101 and the mounting frame 10102, thereby achieving equipotential connection between the photovoltaic solar panel 10101 and the mounting frame 10102, improving the overall safety, the reinforcing frame 10104 is fixedly installed at the bottom of the mounting frame 10102, the second connecting hole 10108 is formed at the top of both ends of the reinforcing frame 10104, the reinforcing frame 10104 improves the overall strength of the mounting frame 10102, and the conductive bolt passes through the bolt hole 10109 at both ends of the bracket grounding piece 10105 to electrically connect the reinforcing frame 10104 with the branch grounding flat iron 10202, thereby electrically connecting the photovoltaic power generation unit 101 with the equipotential network formed by the combination of the main grounding flat iron 10201 and the branch grounding flat iron 10202, which can effectively provide lightning protection for the photovoltaic power generation unit 101, the grounding end 10203 is provided at both ends of the main grounding flat iron 10201, which facilitates the electrical connection between the equipotential network formed by the combination of the main grounding flat iron 10201 and the branch grounding flat iron 10202 and the grounding network of the building, thereby dispersing the lightning current into the ground and protecting the photovoltaic power generation unit and other equipment, the connecting flat iron 10303 is electrically connected with the lightning rod 10302 and the main grounding flat iron 10201 at both ends, which facilitates the electrical connection between the lightning rod 10302 and the equipotential network formed by the combination of the main grounding flat iron 10201 and the branch grounding flat iron 10202, so that the lightning rod 10302 can quickly and safely guide the lightning current to the ground when it is struck by lightning, and the lightning rod assembly 103 is used to effectively protect the photovoltaic power generation unit 101 from lightning.

[0038] The above merely describes preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A lightning protection and grounding device for a roof photovoltaic installation, characterized in that, The lightning protection grounding assembly (102) is provided with lightning rod assemblies (103) at both ends, and the lightning protection grounding assembly (102) comprises two main grounding flat irons (10201), a plurality of photovoltaic power generation units (101) are arranged between the two main grounding flat irons (10201), the photovoltaic power generation units (101) are arranged in a rectangular array, and a supporting grounding flat iron (10202) is arranged at the bottom of each row of photovoltaic power generation units (101), the photovoltaic power generation units (101) and the supporting grounding flat iron (10202) are electrically connected, and the supporting grounding flat iron (10202) is electrically connected with the main grounding flat iron (10201) at both ends, and the main grounding flat iron (10201) is provided with a grounding end (10203) at both ends.

2. A lightning protection grounding device for a roof photovoltaic installation according to claim 1, characterized in that, The photovoltaic power generation unit (101) comprises a photovoltaic solar panel (10101), and the photovoltaic solar panel (10101) is fixedly installed with a mounting rack (10102) at the bottom.

3. A lightning protection grounding device for a roof photovoltaic installation according to claim 2, characterized in that, The mounting rack (10102) is provided with a photovoltaic panel grounding sheet (10103) at the top of both ends, and a support grounding sheet (10105) is arranged at the bottom of both ends of the mounting rack (10102), and bolt holes (10109) are formed at both ends of the photovoltaic panel grounding sheet (10103) and the support grounding sheet (10105).

4. A rooftop photovoltaic lightning protection grounding device according to claim 3, characterized in that: The photovoltaic solar panel (10101) is provided with a grounding hole (10106) at the top of both ends, and a first connecting hole (10107) is formed at the top of both sides of the mounting rack (10102).

5. A lightning protection grounding device for a roof photovoltaic installation according to claim 4, characterized in that, The mounting rack (10102) is fixedly installed with a reinforcing frame (10104) at the bottom, and a second connecting hole (10108) is formed at the top of both ends of the reinforcing frame (10104).

6. The lightning protection grounding device for a roof photovoltaic system according to claim 1, wherein The lightning rod assembly (103) comprises a base (10301), and the base (10301) is fixedly installed with a lightning rod (10302) at the top.

7. A lightning protection grounding device for a roof photovoltaic installation according to claim 6, characterized in that, The base (10301) is fixedly installed with a connecting flat iron (10303) on one side, and the connecting flat iron (10303) is electrically connected with the lightning rod (10302) and the main grounding flat iron (10201) at both ends, respectively.

8. A lightning protection grounding device for a roof photovoltaic installation according to claim 7, characterized in that, The lightning rod (10302) is in a sharp conical structure at the top, and the top of the lightning rod (10302) is higher than the photovoltaic power generation unit (101).

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