CN215601222U

CN215601222U - Photovoltaic support of lightning protection electricity

Info

Publication number: CN215601222U
Application number: CN202121131131.5U
Authority: CN
Inventors: 李伟华; 姚建爽
Original assignee: Hebei Qisheng Environmental Protection Equipment Co ltd
Current assignee: Hebei Qisheng Environmental Protection Equipment Co ltd
Priority date: 2021-05-25
Filing date: 2021-05-25
Publication date: 2022-01-21
Anticipated expiration: 2031-05-25

Abstract

The utility model provides a lightning protection photovoltaic bracket which comprises a base, a lightning protection assembly, and an upright post, a main beam and a purline which are positioned on the base, wherein the upright post consists of a front post and a rear post; the main beam consists of a front beam and a rear beam, the front end and the rear end of the purline are respectively fixed above the front beam and the rear beam through fasteners, and the side walls of the upright column, the main beam and the purline are coated with electrostatic shielding layers; lightning-arrest subassembly includes lightning rod, connecting wire, earth pin, and the lightning rod is including connecing the sudden strain of a muscle pointer, connecing sudden strain of a muscle ball and insulator spindle, and the lower extreme that connects the sudden strain of a muscle pointer is pegged graft in connecing sudden strain of a muscle ball top, and the upper end of insulator spindle is twisted soon and is connecing the below of sudden strain of a muscle ball, and the insulator spindle passes through the left end or the right-hand member that the fastener is fixed at the back beam, and the below that is located the base of earth pin to insert and bury underground. The photovoltaic bracket system is prevented from being directly struck by lightning.

Description

Photovoltaic support of lightning protection electricity

Technical Field

The utility model relates to the field of photovoltaic power generation equipment, in particular to a lightning-proof photovoltaic bracket.

Background

The photovoltaic support is known to the skilled person as the "skeleton" of a photovoltaic power station, and is a special structural member designed and installed in a solar photovoltaic power generation system for supporting, fixing and rotating a photovoltaic module. The solar tracking device is divided into a fixed support and a tracking support according to whether the solar rotation can be tracked or not in the industry, and the fixed support is low in price, good in stability and low in early investment, so that the solar tracking device becomes the mainstream of the domestic photovoltaic industry.

As is well known, the photovoltaic power generation project in China is mainly concentrated in the northwest region with rare people and flat terrain, and the photovoltaic support is higher than the surrounding terrain and objects, and is easy to become the target of lightning stroke due to the lack of shielding of tall buildings or trees. The photovoltaic support is struck by lightning and then can cause the support to be split and collapsed, cables are burnt, the photovoltaic cell panel is damaged, and even major safety accidents of casualties caused by electric shock of personnel occur.

Therefore, in order to ensure the safe operation of the photovoltaic power generation project, the person skilled in the art develops a photovoltaic bracket for preventing lightning.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the lightning protection photovoltaic bracket is additionally provided with the lightning protection assembly, so that the problems of bracket splitting and collapse, cable burning, photovoltaic cell panel damage and even major safety accidents of casualties caused by electric shock of personnel after the photovoltaic bracket is struck by lightning are solved.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme:

the utility model provides a photovoltaic support of lightning protection electricity, photovoltaic support includes base, lightning-arrest subassembly, and is located stand, girder, purlin on the base, wherein:

the base is of a strip-shaped structure, the number of the bases is two, the bases are arranged in parallel from left to right, fixed groove pipes are embedded in the base, and the number of the fixed groove pipes is two, and the fixed groove pipes are arranged in parallel from front to back;

the upright post consists of a front post and a rear post, the height of the front post is lower than that of the rear post, the front post is installed in the fixing groove pipe at the front end, and the rear post is installed in the fixing groove pipe at the rear end; the main beam consists of a front beam and a rear beam, the front beam is fixed above the front column through a fastener, and the rear beam is fixed above the rear column through a fastener; the front end and the rear end of each purline are respectively fixed above the front beam and the rear beam through fasteners, the number of the purlines is a plurality, and the spacing distances between every two adjacent purlines are equal; the side walls of the upright columns, the main beams and the purlines are coated with electrostatic shielding layers;

the lightning protection assembly comprises a lightning rod, a connecting wire and a grounding rod, the lightning rod comprises a lightning receiving pointer, a lightning receiving ball and an insulating rod, the lower end of the lightning receiving pointer is inserted above the lightning receiving ball, the upper end of the insulating rod is screwed below the lightning receiving ball, and the insulating rod is fixed at the left end or the right end of the back beam through a fastening piece;

the earthing rod is T type structure, the earthing rod be located the below of base to insert and bury underground, connecting wire one end with earthing rod looks electrical connection, and its other end with lightning rod looks electrical connection.

Further, the base is formed by pouring concrete.

Furthermore, a threading hole is formed in the base and is used for the connecting wire to pass through.

Furthermore, the stand is made of metal square tubes.

Furthermore, the wall thickness of the metal square pipe is H1, wherein H1 is not less than 0.6 mm.

Furthermore, the main beam and the purlines are made of channel steel formed by stamping and bending, and the cross section of the channel steel is C-shaped or U-shaped.

Further, the wall thickness of the main beam is H2, wherein H2 is more than or equal to 0.3mm and less than 0.6mm, the wall thickness of the purline is H3, wherein:

furthermore, the photovoltaic support also comprises side rods, each side rod comprises a front rod and a rear rod, one end of each front rod is fixedly connected with the front beam through a fastener, and the other end of each front rod is fixedly connected with the lower part of the front column through a fastener;

one end of the rear rod is fixedly connected with the rear beam through a fastener, and the other end of the rear rod is fixedly connected with the lower part of the rear column through a fastener.

Furthermore, the photovoltaic support further comprises a connecting rod, the front end and the rear end of the connecting rod are fixedly connected with the front column and the rear column respectively through fasteners, and the connecting rod is parallel to the purlines.

Further, the lightning receiving pointer comprises a long needle and three short needles, the length of the long needle is greater than that of the short needles, the central axis of the long needle coincides with the central axis of the insulating rod, and the short needles are uniformly and obliquely inserted into the lightning receiving ball along the circumference.

(III) advantageous effects

The utility model provides a lightning protection photovoltaic bracket, which comprises a base, a lightning protection assembly, and a stand column, a main beam and a purline which are positioned on the base, wherein: the base is of a strip-shaped structure, the number of the bases is two, the bases are arranged in parallel from left to right, fixed groove pipes are embedded in the base, and the number of the fixed groove pipes is two, and the fixed groove pipes are arranged in parallel from front to back; the upright post consists of a front post and a rear post, the height of the front post is lower than that of the rear post, the front post is installed in the fixing groove pipe at the front end, and the rear post is installed in the fixing groove pipe at the rear end; the main beam consists of a front beam and a rear beam, the front beam is fixed above the front column through a fastener, and the rear beam is fixed above the rear column through a fastener; the front end and the rear end of each purline are respectively fixed above the front beam and the rear beam through fasteners, the number of the purlines is a plurality, and the spacing distances between every two adjacent purlines are equal; the side walls of the upright columns, the main beams and the purlines are coated with electrostatic shielding layers; the lightning protection assembly comprises a lightning rod, a connecting wire and a grounding rod, the lightning rod comprises a lightning receiving pointer, a lightning receiving ball and an insulating rod, the lower end of the lightning receiving pointer is inserted above the lightning receiving ball, the upper end of the insulating rod is screwed below the lightning receiving ball, and the insulating rod is fixed at the left end or the right end of the back beam through a fastening piece; the earthing rod is T type structure, the earthing rod be located the below of base to insert and bury underground, connecting wire one end with earthing rod looks electrical connection, and its other end with lightning rod looks electrical connection. Above structure, through addding lightning-arrest subassembly, make the photovoltaic support that is arranged in the photovoltaic power generation project in northwest region in thunder and lightning weather, through the lightning rod with the electric charge attraction of photovoltaic support top to the pointer that dodges with the ball that dodges with the connecing, a large amount of electric charges of gathering on rethread connecting wire and the earthing pin will dodge the pointer and the ball that dodges pass to ground, and then avoid photovoltaic mounting system directly to suffer thunderbolt to photovoltaic support safety in thunder and lightning weather has been avoided.

Drawings

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.

Fig. 1 is a schematic structural diagram of the photovoltaic support according to the first embodiment;

fig. 2 is a schematic structural diagram of the photovoltaic support in the first embodiment;

FIG. 3 is a structural side view of the photovoltaic support in accordance with the first embodiment;

illustration of the drawings: 1-a base; 11-threading holes; 2-upright post; 21-front pillar; 22-rear column; 3, a main beam; 31-front beam; 32-rear beam; 4-purlin; 5-a lightning protection component; 51-a lightning rod; 511-flash pointer; 512-lightning ball; 513-an insulating rod; 52-connecting lines; 53-ground pin.

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 by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. In addition, for the convenience of description, the terms "upper", "lower", "left" and "right" are used to refer to the same direction as the upper, lower, left, right, etc. of the drawings, and the terms "first", "second", etc. are used for descriptive distinction and have no special meaning.

Aiming at the problems in the prior art, the utility model provides a lightning protection photovoltaic bracket, which comprises a base, a lightning protection assembly, and a stand column, a main beam and a purline which are positioned on the base, and the lightning protection photovoltaic bracket is specifically described as follows:

1-base

The base is long structure, the quantity of base is two and controls parallel arrangement, it has the fixed slot pipe to inlay in the base, the quantity of fixed slot pipe is two and front and back parallel arrangement.

In a specific application scene, the base is in a cuboid shape, and the fixing groove pipe is fixed in the base through an embedding process, so that the stand column is conveniently and fixedly installed.

Further, the base is formed by pouring concrete.

In the concrete application scene, the base not only can be formed by concrete placement, still can be for other materials processing forms, for example brick laying, stone carving etc. guaranteeing that this photovoltaic support working property is not influenced under the prerequisite, the material and the processing mode of the base of technical staff's optional in the art, the scope of protection of this application is not influenced in the change of base material and processing mode.

In the concrete scene of using, through seting up the through wires hole to make things convenient for the line of crossing of connecting wire, thereby the installation effectiveness of acceleration also avoids simultaneously arranging the construction speed that leads to slowly because of the confusion of connecting wire.

2-upright post, main beam and purline

The upright post consists of a front post and a rear post, the height of the front post is lower than that of the rear post, the front post is installed in the fixing groove pipe at the front end, and the rear post is installed in the fixing groove pipe at the rear end.

In a specific application scene, the height of the front column is H4, wherein H4 is more than or equal to 0.5mm, and the height of the rear column is H5, wherein H5 is more than or equal to 1.0 mm. Through setting up different heights with front column and back post for the relative sunlight of photovoltaic cell board inclines certain angle, thereby good daylighting electricity generation.

The main beam consists of a front beam and a rear beam, the front beam is fixed above the front column through a fastener, and the rear beam is fixed above the rear column through a fastener.

The front end and the rear end of each purline are respectively fixed above the front beam and the rear beam through fasteners, the number of the purlines is a plurality, and the spacing distance between every two adjacent purlines is equal.

And the side walls of the upright post, the main beam and the purline are coated with electrostatic shielding layers.

In the concrete application scene, through the coating electrostatic screen layer for static can't be at the surface enrichment of stand, girder and purlin, avoided because of the electrostatic enrichment leads to stand, girder and purlin to suffer the thunderbolt in thunder and lightning weather, and the support splitting that appears, collapse, the cable burns out, and photovoltaic cell panel damages, even the problem of the major incident that casualties appears in personnel's electric shock.

Furthermore, the stand is made of metal square tubes.

In the concrete application scene, the material of stand not only can be metal square pipe, still can be for other materials, is guaranteeing under this photovoltaic support working property is not influenced the prerequisite, and the material of the stand of technical staff's in the art optional, the change of stand material does not influence the scope of protection of this application.

In a specific application scene, by additionally arranging the side rods, the structural strength of the photovoltaic support is enhanced, the erosion of the photovoltaic support against wind and sand is improved, and the photovoltaic support is firmer.

Wherein, the side bars are symmetrically distributed along the center line of the upright post.

In a specific application scene, the connecting rod is additionally arranged, so that the structural strength of the photovoltaic support is enhanced, the erosion of the photovoltaic support against wind and sand is improved, and the photovoltaic support is firmer.

3-lightning protection assembly

Lightning-arrest subassembly includes lightning rod, connecting wire, earthing rod, the lightning rod is including connecing sudden strain of a muscle pointer, connecing sudden strain of a muscle ball and insulator spindle, the lower extreme that connects sudden strain of a muscle pointer is pegged graft and is in connect sudden strain of a muscle ball top, the upper end of insulator spindle is twisted soon connect the below of sudden strain of a muscle ball, the insulator spindle passes through the fastener to be fixed the left end or the right-hand member of back beam.

In a specific application scenario, the height of the insulating rod is H6, wherein H6 is greater than or equal to 1.1m and less than or equal to 6.6m, and the height of the insulating rod is specifically 1.1m, 1.6m, 2.1m, 2.6m, 3.6m, 4.6m, 5.6m and 6.6 m.

Wherein, the insulating rod head is made for solid, and the body of rod is thickened, and the highest bearable voltage is 220 kilovolts to the security has improved greatly. In addition, the insulating rod is made of epoxy resin, so that the insulating rod is firm, environment-friendly and safe in insulation.

The lightning protection assembly further comprises a rain-proof skirt, the rain-proof skirt is sleeved on the insulating rod in a penetrating mode, and the lightning protection assembly can be effectively prevented from being corroded by rainwater through the added rain-proof skirt.

In a specific application scenario, the diameter of the grounding pin is 11mm, the overall length of the grounding pin is 439mm, and a fixing screw with the diameter of M6 is screwed on the upper portion of the grounding pin.

The grounding pin is designed in a conical shape, can be combined with soil more tightly, and increases the current dispersion area, so that current is discharged rapidly. The surface of the grounding pin is subjected to cold plating treatment, so that rusting can be prevented, and the service life is prolonged.

The connecting wire is specifically a grounding annealed copper wire, and the inner core of the copper wire is made of oxygen-free pure copper, so that the connecting wire has the advantages of smaller resistance, strong conductivity and convenience in wiring.

In a specific application scenario, the long needles have a height of H7, wherein 240mm ≦ H7 ≦ 467mm, and the short needles have a height of H8, and specifically 93mm or 140 mm.

The first embodiment is as follows:

based on the above concept, as shown in fig. 1 to 3, the photovoltaic bracket for preventing lightning provided by the present invention, as shown in fig. 1, includes a base 1, a lightning protection assembly 5, and a column 2, a main beam 3, and a purlin 4 located on the base 1, wherein:

as shown in fig. 1, the base 1 is a strip-shaped structure, the number of the bases 1 is two, the bases are arranged in parallel from left to right, fixed slot tubes are embedded in the base 1, and the fixed slot tubes are arranged in parallel from front to back;

as shown in fig. 2, the pillar 2 is composed of a front pillar 21 and a rear pillar 22, the height of the front pillar 21 is lower than that of the rear pillar 22, the front pillar 21 is installed in the fixing groove pipe at the front end, and the rear pillar 22 is installed in the fixing groove pipe at the rear end; the main beam 3 is composed of a front beam 31 and a rear beam 32, the front beam 31 is fixed above the front column 21 through a fastener, and the rear beam 32 is fixed above the rear column 22 through a fastener; the front end and the rear end of each purline 4 are respectively fixed above the front beam 31 and the rear beam 32 through fasteners, the number of the purlines 4 is a plurality, and the spacing distances between every two adjacent purlines 4 are equal; the side walls of the upright post 2, the main beam 3 and the purline 4 are coated with electrostatic shielding layers;

as shown in fig. 3, the lightning protection assembly 5 comprises a lightning rod 51, a connecting wire 52 and a grounding rod 53, wherein the lightning rod 51 comprises a lightning receptor 511, a lightning receptor ball 512 and an insulating rod 513, the lower end of the lightning receptor 511 is inserted above the lightning receptor ball 512, the upper end of the insulating rod 513 is screwed below the lightning receptor ball 512, and the insulating rod 513 is fixed at the left end or the right end of the back beam 32 through a fastener;

as shown in fig. 3, the ground pin 53 has a T-shaped structure, the ground pin 53 is located below the base 1 and is embedded in the ground, one end of the connection line 52 is electrically connected to the ground pin 53, and the other end thereof is electrically connected to the lightning rod 51.

Further, the base 1 is formed by pouring concrete.

Further, as shown in fig. 3, a threading hole 11 is formed in the base 1, and the threading hole 11 is used for the connecting wire 52 to pass through.

Further, the upright post 2 is made of a metal square pipe.

Further, the wall thickness H1 of the metal square pipe is 1.2 mm.

Furthermore, the main beam 3 and the purline 4 are made of channel steel formed by stamping and bending, and the cross section of the channel steel is C-shaped or U-shaped.

Further, the wall thickness H2 of girder 3 is 0.5mm, the wall thickness of purlin 4 is H3, wherein:

further, the photovoltaic support further comprises side bars (not shown), wherein the side bars comprise a front bar and a rear bar, one end of the front bar is fixedly connected with the front beam 31 through a fastener, and the other end of the front bar is fixedly connected with the lower part of the front column 21 through a fastener;

one end of the rear rod is fixedly connected with the rear beam 32 through a fastener, and the other end of the rear rod is fixedly connected with the lower part of the rear column 22 through a fastener.

Further, the photovoltaic support further comprises a connecting rod (not shown), the front end and the rear end of the connecting rod are fixedly connected with the front column 21 and the rear column 22 respectively through fasteners, and the connecting rod is parallel to the purlin 4.

Further, as shown in fig. 1, the lightning receiving pointer 511 is composed of a long needle and three short needles, the length of the long needle is greater than that of the short needles, the central axis of the long needle coincides with the central axis of the insulating rod 513, and the short needles are uniformly and obliquely inserted into the lightning receiving ball 512 along the circumference.

Those skilled in the art will appreciate that the drawings are merely schematic representations of one preferred implementation scenario and that the blocks or flow diagrams in the drawings are not necessarily required to implement the present invention.

Those skilled in the art will appreciate that the modules in the devices in the implementation scenario may be distributed in the devices in the implementation scenario according to the description of the implementation scenario, or may be located in one or more devices different from the present implementation scenario with corresponding changes. The modules of the implementation scenario may be combined into one module, or may be further split into a plurality of sub-modules.

The above disclosure is only a concrete implementation scenario of the present invention, however, the present invention is not limited to this, and any changes that can be made by those skilled in the art should fall within the protection scope of the present invention.

Claims

1. The utility model provides a photovoltaic support of lightning protection electricity, its characterized in that, photovoltaic support includes base (1), lightning-arrest subassembly (5), and is located stand (2), girder (3), purlin (4) on base (1), wherein:

the base (1) is of a long strip structure, the number of the bases (1) is two, the bases are arranged in parallel from left to right, fixed groove pipes are embedded in the base (1), and the number of the fixed groove pipes is two, and the fixed groove pipes are arranged in parallel from front to back;

the upright post (2) consists of a front post (21) and a rear post (22), the height of the front post (21) is lower than that of the rear post (22), the front post (21) is installed in the fixing groove pipe at the front end, and the rear post (22) is installed in the fixing groove pipe at the rear end; the main beam (3) consists of a front beam (31) and a rear beam (32), the front beam (31) is fixed above the front column (21) through a fastener, and the rear beam (32) is fixed above the rear column (22) through a fastener; the front end and the rear end of each purline (4) are respectively fixed above the front beam (31) and the rear beam (32) through fasteners, the number of the purlines (4) is a plurality, and the spacing distance between every two adjacent purlines (4) is equal; the side walls of the upright posts (2), the main beams (3) and the purlines (4) are coated with electrostatic shielding layers;

the lightning protection assembly (5) comprises a lightning rod (51), a connecting wire (52) and a grounding rod (53), the lightning rod (51) comprises a lightning receiving pointer (511), a lightning receiving ball (512) and an insulating rod (513), the lower end of the lightning receiving pointer (511) is inserted above the lightning receiving ball (512), the upper end of the insulating rod (513) is screwed below the lightning receiving ball (512), and the insulating rod (513) is fixed at the left end or the right end of the back beam (32) through a fastener;

the grounding pin (53) is of a T-shaped structure, the grounding pin (53) is located below the base (1) and is embedded underground, one end of the connecting wire (52) is electrically connected with the grounding pin (53), and the other end of the connecting wire is electrically connected with the lightning rod (51).

2. A lightning protected photovoltaic support according to claim 1, characterised in that said base (1) is cast of concrete.

3. The photovoltaic bracket of claim 1, characterized in that the base (1) is provided with a threading hole (11), and the threading hole (11) is used for the connection wire (52) to pass through.

4. The photovoltaic bracket of claim 1, characterized in that the upright posts (2) are made of metal square tubes.

5. The lightning-protection photovoltaic bracket of claim 4, wherein the metal square tube has a wall thickness of H1, wherein 0.6mm ≦ H1.

6. The photovoltaic bracket of claim 1, characterized in that the main beam (3) and the purline (4) are made of stamped and bent channel steel, and the cross section of the channel steel is C-shaped or U-shaped.

7. The photovoltaic support against lightning according to claim 6, characterized in that the wall thickness of the primary beams (3) is H2, wherein H2 < 0.6mm is 0.3mm ≦ H2, and the wall thickness of the purlins (4) is H3, wherein:

8. the photovoltaic support for lightning protection according to claim 1, further comprising side bars, wherein the side bars comprise a front bar and a rear bar, the front bar is fixedly connected with the front beam (31) at one end by a fastener, and is fixedly connected with the lower part of the front pillar (21) at the other end by a fastener;

one end of the rear rod is fixedly connected with the rear beam (32) through a fastener, and the other end of the rear rod is fixedly connected with the lower part of the rear column (22) through a fastener.

9. The photovoltaic bracket of claim 1, further comprising a connecting rod, wherein the front end and the rear end of the connecting rod are fixedly connected with the front pillar (21) and the rear pillar (22) respectively through fasteners, and the connecting rod is parallel to the purlin (4).

10. The photovoltaic support of claim 1, characterized in that the lightning receptor (511) is composed of a long pin and three short pins, the long pin has a length greater than the short pins, the central axis of the long pin coincides with the central axis of the insulating rod (513), and the short pins are uniformly inserted obliquely onto the lightning receptor (512) along the circumference.