Lightning protection grounding device for photovoltaic power station

Abstract

The utility model provides a lightning protection grounding device for a photovoltaic power station, and relates to the technical field of photovoltaic power generation lightning protection. The rear side of the photovoltaic power generation panel is connected with two sliding frames, the sliding frames are embedded in the annular rail, the rear sides of the two sliding frames are connected with connecting rods, the rear sides of the connecting rods are connected with rotating rings, the lower sides of the rotating rings are connected with driving shafts, the lower sides of the driving shafts are connected with driving motors, the driving motors are arranged in motor bases, and the motor bases are installed on the supporting frame. The rear side of the supporting frame is connected with the supporting rod, the rear side of the supporting rod is connected with the lightning rod base, the lightning rod body is installed on the lightning rod base, and the lower side of the lightning rod body is connected with the grounding wire. The problems that an existing device is not provided with an insulating handheld structure and a grounding wire is in open-air grounding and is soaked and eroded by rainwater, and the grounding conductive effect is affected are solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to photovoltaic power generation lightning protection technical field, more specifically, especially relate to a photovoltaic power station lightning protection grounding device. BACKGROUND

[0002] ‌Photovoltaic power station refers to utilize solar energy, pass through special material such as crystalline silicon board, inverter and so on electronic component and be connected with grid and be transported electric power's photovoltaic power generation system‌;Photovoltaic power station belongs to the green power development energy project of national encouragement, has clean, no rotating component etc. Characteristics;‌Photovoltaic power station needs to install lightning protection grounding device, first, prevent lightning damage: photovoltaic power station usually installs in outdoor, especially roof and open place, is vulnerable to the threat of lightning;Lightning not only can cause damage to photovoltaic module, inverter and other equipment, but also can lead to fire and other serious accidents‌;Lightning protection grounding device passes through the lightning current is introduced into the ground, avoids the direct impact of lightning current to equipment, thereby protects photovoltaic system from damage‌;Second, guarantee personnel safety: lightning protection grounding device not only can protect equipment, but also can guarantee the personnel safety when power station construction and operation;When the equipment shell or equipment itself appears leakage or other faults, through grounding device makes leakage current flow into the ground in time, avoids the occurrence of electric shock accident;The lightning rod main body on the existing photovoltaic power station lightning protection grounding device does not have insulation handheld structure, when operating and maintaining, if by current residue, will cause harm to operating and maintaining personnel, and the grounding wire of some photovoltaic power station lightning protection grounding device is open-air grounding, is soaked by rainwater, and the grounding wire can be eroded, influences grounding conductivity effect‌. CONTENT OF UTILITY MODEL

[0003] In order to solve the above technical problem, the utility model provides a photovoltaic power station lightning protection grounding device to solve the problems that the existing device does not have an insulation handheld structure and the grounding wire is open-air grounding and soaked by rainwater, which affects the grounding conductivity effect.

[0004] The utility model discloses a photovoltaic power station lightning protection grounding device, which is achieved by the following specific technical means:

[0005] A photovoltaic power station lightning protection grounding device, comprising: a photovoltaic power generation panel; two groups of sliding frames are connected to the rear side of the photovoltaic power generation panel, the sliding frames are embedded in a ring-shaped track, three support columns are arranged below the rear side of the ring-shaped track, a fixing plate is arranged below each of the support columns, a fixing bolt passes through the fixing plate, a connecting rod is connected to the rear side of the two groups of sliding frames, a rotating ring is connected to the rear side of the connecting rod, a driving shaft is connected to the lower side of the rotating ring, a driving motor is connected to the lower side of the driving shaft, the driving motor is arranged in a motor base, the motor base is installed on a support frame, a support rod is connected to the rear side of the support frame, a lightning rod base is connected to the rear side of the support rod, a lightning rod main body is installed on the lightning rod base, and a grounding wire is connected to the lower side of the lightning rod main body.

[0006] Further, the sliding frame is composed of three arc-shaped rods, two horizontal rods, six vertical rods and four sliding balls, the three arc-shaped rods are arranged front and back, and the left and right sides are connected by a horizontal rod, the horizontal rods at the left and right sides are connected to the arc-shaped rods, the vertical rods at the left and right sides are connected to the connection positions of the horizontal rods and the arc-shaped rods, the upper ends of the two vertical rods at the left and right sides of the front side are provided with sliding balls, another group of sliding frames is located above the sliding frame and is a mirror surface, the middle positions of the two vertical rods at the rear side of the two groups of sliding frames are provided with connecting balls, the connecting balls are connected to connecting rods, and the ends of the two vertical rods at the rear side of the two groups of sliding frames are connected to arc-shaped rods.

[0007] Further, the upper and lower sides of the annular track are provided with two sliding grooves, and the sliding balls are arranged in the sliding grooves.

[0008] Further, the middle position of the lightning rod body is provided with a hand ring, the lower side of the lightning rod body is provided with a threaded rod, the middle position of the lightning rod base is provided with a threaded hole, the threaded rod penetrates through the threaded hole, the lower side is connected to a threaded cap, and the lower side of the threaded cap is provided with a grounding wire.

[0009] Further, the lower side of the grounding wire is provided with a waterproof cover, the grounding wire is buried in the soil layer, and the waterproof cover covers the buried position of the grounding wire.

[0010] Further, the components except the lightning rod body, the grounding wire and the photovoltaic power generation panel are made of insulating materials.

[0011] Compared with the prior art, the utility model has the advantages of the following:

[0012] 1. The annular track is arranged, the photovoltaic power generation panel can rotate along with the movement of the sun, and the photovoltaic power generation panel always faces the sunlight, so that better energy conversion is facilitated.

[0013] 2. The hand ring made of insulating material is arranged, so that when the operation and maintenance personnel perform operation and maintenance, the residual current can be prevented from causing harm to the operation and maintenance personnel.

[0014] 3. The waterproof cover is arranged, so that the grounding wire is effectively prevented from being soaked and eroded by rainwater, and the grounding conductive effect is affected. ACCURATE DRAWINGS

[0015] Figure 1 It is the overall structure schematic diagram of the utility model.

[0016] Figure 2 It is the rear view structure schematic diagram of the utility model.

[0017] Figure 3 It is the exploded structure schematic diagram of the utility model.

[0018] Figure 4 It is the sliding frame structure schematic diagram of the utility model.

[0019] Figure 5 is a schematic view of a ring track profile structure of the utility model.

[0020] In the figure, the correspondence between the component name and the figure number is:

[0021] 1, photovoltaic power generation panel;

[0022] 2, ring track; 201, sliding groove;

[0023] 3, support column;

[0024] 4, fixed plate;

[0025] 5, fixed bolt;

[0026] 6, lightning rod main body;

[0027] 7, hand ring;

[0028] 8, rotating ring;

[0029] 9, driving shaft;

[0030] 10, driving motor; 1001, motor base; 1002, support frame;

[0031] 11, lightning rod base; 1101, support rod;

[0032] 12, ground wire; 1201, waterproof cover;

[0033] 13, sliding frame; 1301, sliding ball;

[0034] 14, connecting rod; 1401, connecting ball. DETAILED DESCRIPTION

[0035] The embodiments of the utility model will be further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.

[0036] Example:

[0037] As shown in the accompanying drawings: Figure 1 to the accompanying drawings: Figure 5 As shown:

[0038] The utility model provides a photovoltaic power plant lightning protection grounding device, include: photovoltaic power generation board 1, two groups of sliding frames 13 are connected to photovoltaic power generation board 1 rear side, sliding frame 13 is embedded in annular track 2, is equipped with three support columns 3 in annular track 2 rear side below, is equipped with fixed plate 4 below all in support column 3, passes through fixed bolt 5 on fixed plate 4, two groups of sliding frames 13 rear side connection connecting rod 14, connecting rod 14 rear side connection rotating ring 8, rotating ring 8 lower side connection driving shaft 9, driving shaft 9 lower side connection drive motor 10, drive motor 10 is placed in motor base 1001, motor base 1001 is installed on support frame 1002, support frame 1002 rear side connection support rod 1101, support rod 1101 rear side connection lightning rod base 11, is installed with lightning rod main part 6 on lightning rod base 11, is connected with ground wire 12 in lightning rod main part 6 lower side.

[0039] As shown in Figure 4 and Figure 5 , sliding frame 13 is composed of three arc-shaped rods, two horizontal rods, six vertical rods and four sliding balls 1301, the three arc-shaped rods are arranged in front and back, and each of the left and right sides is connected by a horizontal rod, the horizontal rods on the left and right sides are connected to the arc-shaped rods at the upper end, and the vertical rods on the left and right sides are connected to the arc-shaped rods at the upper end, the upper end of the two vertical rods on the left and right sides is provided with a sliding ball 1301, the other sliding frame 13 is located above the sliding frame 13, and the two sliding frames 13 are mirror images of each other, the middle positions of the two vertical rods on the rear side of the two sliding frames 13 are provided with connecting balls 1401, the connecting balls 1401 are connected to the connecting rods 14 on the rear side, the ends of the two vertical rods on the rear side of the two sliding frames 13 are connected to the arc-shaped rods, and the annular track 2 is provided with two sliding grooves 201 on the upper and lower sides, the sliding balls 1301 are arranged in the sliding grooves 201, the photovoltaic power generation board 1 can rotate following the movement of the sun, and the photovoltaic power generation board 1 always faces the sunlight, which is conducive to better energy conversion.

[0040] As shown in Figure 2 and Figure 3 , the middle position of the lightning rod main part 6 is provided with a hand ring 7, the lower side of the lightning rod main part 6 is provided with a threaded rod, the middle position of the lightning rod base 11 is provided with a threaded hole, the threaded rod passes through the threaded hole, the lower side is connected to a threaded cap, and the lower side of the threaded cap is provided with a ground wire 12, by arranging the hand ring 7, when the operation and maintenance personnel perform operation and maintenance, the residual current can be avoided to cause harm to the operation and maintenance personnel.

[0041] As shown in Figure 3 , the lower side of the ground wire 12 is provided with a waterproof cover 1201, the ground wire 12 is buried in the soil layer, the waterproof cover 1201 covers the buried position of the ground wire 12, effectively avoiding the ground wire 12 from being soaked and eroded by rainwater, and affecting the grounding conductive effect.

[0042] The components except the lightning rod main part 6, the ground wire 12 and the photovoltaic power generation board 1 are all made of insulating materials, so as to avoid personal injury caused by device leakage to the operation and maintenance personnel.

[0043] The specific use mode and role of the embodiment are as follows:

[0044] In the utility model, drive motor 10 is set, drive motor 10 direct current is driven in daytime, and photovoltaic power generation panel 1 is rotated along with the movement of the sun, and photovoltaic power generation panel 1 always faces the sunlight, drive motor 10 is reversed in the evening, and photovoltaic power generation panel 1 returns to the original position, and it is week and repetition, the threaded rod of lightning rod body 6 bottom passes through the threaded hole of lightning rod base 11, and the lower end is tightened with the threaded cap, and the ground wire 12 is connected, after installing lightning rod body 6, the ground wire 12 is buried into the soil layer, and the waterproof cover 1201 covers the ground wire 12 buried place.

[0045] The utility model is not detailed, and it is the known technology of the person skilled in the art.

Claims

1. A lightning protection grounding device for a photovoltaic power station, comprising: Photovoltaic power generation panel (1), characterized by: the photovoltaic power generation panel (1) is connected with two groups of sliding frames (13) at the back side, the sliding frames (13) are embedded in the annular track (2), three support columns (3) are arranged below the back side of the annular track (2), a fixed plate (4) is arranged below each of the support columns (3), a fixed bolt (5) penetrates through the fixed plate (4), the two groups of sliding frames (13) are connected with a connecting rod (14) at the back side, a rotating ring (8) is connected with the connecting rod (14) at the back side, a driving shaft (9) is connected with the rotating ring (8) at the lower side, a driving motor (10) is arranged in a motor base (1001), the motor base (1001) is installed on a support frame (1002), a support rod (1101) is connected with the support frame (1002) at the back side, a lightning rod base (11) is connected with the support rod (1101) at the back side, a lightning rod body (6) is installed on the lightning rod base (11), and a grounding wire (12) is connected with the lightning rod body (6) at the lower side.

2. The lightning protection grounding device for a photovoltaic power station according to claim 1, characterized in that: The sliding frame (13) is composed of three arc-shaped rods, two horizontal rods, six vertical rods and four sliding balls (1301), the three arc-shaped rods are arranged in front and back, and the left and right sides are connected by a horizontal rod, the horizontal rods at the left and right sides are connected with the arc-shaped rods at the connection positions upwardly connected with vertical rods, the upper ends of the two vertical rods at the front side of the left and right sides are provided with sliding balls (1301), another group of sliding frames (13) is arranged above the sliding frame (13) and is a mirror image of the sliding frame (13), the middle positions of the two vertical rods at the back side of the two groups of sliding frames (13) are provided with connecting balls (1401), the connecting balls (1401) are connected with the connecting rod (14) at the back side, and the ends of the two vertical rods at the back side of the two groups of sliding frames (13) are connected with arc-shaped rods.

3. The lightning protection grounding device for a photovoltaic power station according to claim 2, characterized in that: The annular track (2) is provided with two slide grooves (201) at the upper and lower sides, and the sliding balls (1301) are arranged in the slide grooves (201).

4. The lightning protection grounding device for a photovoltaic power station according to claim 1, characterized in that: The lightning rod body (6) is provided with a hand ring (7) at the middle position, a threaded rod is arranged below the lightning rod body (6), a threaded hole is arranged at the middle position of the lightning rod base (11), the threaded rod penetrates through the threaded hole, a threaded cap is connected below the threaded rod, and the grounding wire (12) is arranged below the threaded cap.

5. The lightning protection grounding device for a photovoltaic power station according to claim 4, characterized in that: The grounding wire (12) is provided with a waterproof cover (1201) below, the grounding wire (12) is buried in the soil layer, and the waterproof cover (1201) covers the buried position of the grounding wire (12).

6. The lightning protection grounding device for a photovoltaic power station according to claim 1, characterized in that: The components except the lightning rod body (6), the grounding wire (12) and the photovoltaic power generation panel (1) are made of insulating materials.

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