Lightning protection device of photovoltaic module

Abstract

The lightning protection device comprises a base and an iron rod, the iron rod is installed at the top end of the base, an iron column is installed at the top end of the iron rod, a lightning rod is installed at the top end of the iron column, and an annular frame is installed on the outer wall of the iron rod below the iron column. The device comprises a base, an annular frame is installed on the base, multiple sets of vertical rods are installed on the outer wall of the annular frame at equal intervals, lightning arresters are installed at the top ends of the vertical rods, the surface of the base is sleeved with an adapter frame, a down lead is installed at the bottom end of the base, a pedal is installed at the bottom end of the down lead, and a grounding body is installed at the bottom end of the pedal. According to the utility model, excellent multi-position lightning protection effect of the photovoltaic module is realized, flexible rotation adjustment is realized during installation, the lightning protection device can be used for lightning protection in a vertical upward manner all the time, and the convenience of installation of the photovoltaic module is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of lightning protection devices, in particular to a lightning protection device for a photovoltaic module. Background Art

[0002] Photovoltaic power generation systems are widely used around the world as a clean energy source. However, due to their special structure and working mode, photovoltaic systems are vulnerable to lightning attacks. In order to protect photovoltaic systems from damage caused by lightning, photovoltaic lightning arresters need to be installed. Photovoltaic lightning arresters are lightning protection devices specially used for photovoltaic systems. Their function is to discharge the overvoltage generated by lightning to the earth, thereby protecting photovoltaic systems from damage caused by lightning.

[0003] For example, a lightning protection device for a photovoltaic assembly disclosed in the authorization announcement number CN218997667U includes a fixing assembly, a grounding assembly, a lifting assembly, a supporting assembly and a lightning arrester, wherein the fixing assembly, the grounding assembly and the lower ends of the supporting assembly are respectively fixedly arranged in the ground, the grounding assembly is plugged into the fixing assembly, the lifting assembly is inserted into the grounding assembly and is slidably connected to the grounding assembly, and the supporting assembly is sleeved outside the grounding assembly and is fixedly connected to the grounding assembly;

[0004] Although two sets of telescopic rods are arranged under the fixed component, one set is fixed and the other set is rotated, the fixed component can be installed on the ground with different inclination angles, the rotating telescopic rod can adjust the angle of insertion into the ground, and the telescopic rod setting can adjust the depth of insertion into the ground, so that when the lightning protection device is installed in the mountains, the fixed component does not need to fit with the inclined ground, but maintains a horizontal state, the support is more stable, and the column tilting is prevented from reducing the stability of the device;

[0005] However, the problem that such existing lightning protection devices are generally not conducive to excellent lightning protection effects in multiple positions when in use, are not convenient for flexible rotation and adjustment during installation, and are prone to tilting when installed in unusual positions, greatly affecting the convenience of photovoltaic module installation. Utility Model Content

[0006] The purpose of the utility model is to provide a lightning protection device for photovoltaic modules, so as to solve the problems proposed in the above-mentioned background technology that the lightning protection device is not convenient for achieving excellent lightning protection effect in multiple positions, flexible rotation adjustment during installation, and the lightning protection device is prone to tilt when installed in an irregular position, which affects the convenience of installing the photovoltaic module.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a lightning protection device for a photovoltaic module, comprising a base and an iron rod, an iron rod is installed at the top of the base, an iron column is installed at the top of the iron rod, a lightning rod is installed at the top of the iron column, an annular frame is installed on the outer wall of the iron rod below the iron column, a plurality of groups of vertical poles with equal spacing are installed on the outer wall of the annular frame, and lightning receptors are installed on the tops of the vertical poles, an adapter frame is set on the surface of the base, a down conductor is installed at the bottom end of the base, a foot pedal is installed at the bottom end of the down conductor, a grounding body is installed at the bottom end of the foot pedal, an upper ball head is installed at the end of the adapter frame away from the base, a lower ball head is arranged on the outside of the adapter frame below the upper ball head, a support plate is installed at the bottom end of the lower ball head, a right arc clamp is arranged on the outer walls of the upper and lower ball heads, and a left arc clamp is arranged on the side of the outer walls of the upper and lower ball heads away from the right arc clamp.

[0008] Preferably, a locking bolt is provided on the outer wall of the left arc-shaped clamp, and the locking bolt extends to the inside of the right arc-shaped clamp.

[0009] Preferably, a support block is disposed outside the support plate, and three groups of support arms with equal spacing are installed on the top of the support block, and the support arms are all fixedly connected to the support plate.

[0010] Preferably, three groups of linkage arms with equal spacing are installed on the outer wall of the support block, a front axle is installed at one end of the linkage arm close to the support block, and the linkage arm is movably connected to the support block via the front axle.

[0011] Preferably, a hook is provided at one end of the linkage arm away from the support block, a rear axle is installed at one end of the linkage arm close to the hook, and the linkage arm is movably connected to the hook via the rear axle.

[0012] Preferably, a threaded rod is provided at the center of the support block, and the threaded rod is threadedly connected to the support block, a handle is installed at the top end of the threaded rod, and a pressure block is installed at the bottom end of the threaded rod.

[0013] Compared with the prior art, the beneficial effects of the utility model are: the lightning protection device not only achieves excellent lightning protection effect in multiple positions of photovoltaic components, but also has flexible rotation adjustment during installation, which facilitates the use of the lightning protection device vertically upward for lightning protection, thereby improving the convenience of installing photovoltaic components. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0015] Figure 2 It is a front view cross-sectional structural schematic diagram of the utility model;

[0016] Figure 3This is a schematic diagram of the three-dimensional structure of the ring frame of the utility model;

[0017] Figure 4 It is a three-dimensional enlarged structural schematic diagram of the handle of the utility model.

[0018] In the figure: 1. base; 2. iron rod; 3. ring frame; 4. vertical pole; 5. lightning arrester; 6. iron column; 7. lightning rod; 8. adapter frame; 9. upper ball head; 10. locking bolt; 11. left arc clamp; 12. lower ball head; 13. support plate; 14. handle; 15. linkage arm; 16. front axle; 17. threaded rod; 18. hook; 19. right arc clamp; 20. support arm; 21. rear axle; 22. support block; 23. down conductor; 24. pedal; 25. grounding body; 26. pressure block. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-4 The utility model provides an embodiment: a lightning protection device for a photovoltaic module, comprising a base 1 and an iron rod 2, the top of the base 1 is equipped with the iron rod 2, the top of the iron rod 2 is equipped with an iron column 6, the top of the iron column 6 is equipped with a lightning rod 7, an annular frame 3 is installed on the outer wall of the iron rod 2 below the iron column 6, a plurality of groups of vertical poles 4 with equal spacing are installed on the outer wall of the annular frame 3, and the tops of the vertical poles 4 are all equipped with lightning arresters 5, an adapter frame 8 is mounted on the surface of the base 1, a down conductor 23 is installed on the bottom end of the base 1, a foot pedal 24 is installed on the bottom end of the down conductor 23, and a grounding body 25 is installed on the bottom end of the foot pedal 24;

[0021] When in use, the hook 18 is connected to the bracket of the photovoltaic module, and the grounding body 25 is inserted into the ground with the cooperation of the foot pedal 24. The lightning rod 7, the iron column 6, the iron rod 2, and the base 1 are all made of conductive materials. The lightning receptor 5, the vertical pole 4, and the ring frame 3 are all made of conductive materials. With the cooperation of the down conductor 23, the lightning rod 7 and the lightning receptor 5 play a role in lightning protection, achieving excellent lightning protection effects at multiple positions of the photovoltaic module, and facilitating the lightning protection device to quickly discharge lightning current to the ground;

[0022] An upper ball head 9 is installed at one end of the adapter frame 8 away from the base 1, a lower ball head 12 is arranged outside the adapter frame 8 below the upper ball head 9, a support plate 13 is installed at the bottom end of the lower ball head 12, a right arc-shaped clamp 19 is arranged on the outer walls of the upper ball head 9 and the lower ball head 12, and a left arc-shaped clamp 11 is arranged on the side of the outer walls of the upper ball head 9 and the lower ball head 12 away from the right arc-shaped clamp 19;

[0023] A locking bolt 10 is provided on the outer wall of the left arc-shaped clamp 11, and the locking bolt 10 extends to the inside of the right arc-shaped clamp 19;

[0024] When in use, the lower ball head 12 is movably connected with the right arc-shaped clamp 19 and the left arc-shaped clamp 11, and the upper ball head 9 is movably connected with the right arc-shaped clamp 19 and the left arc-shaped clamp 11. Under the action of the lower ball head 12 and the upper ball head 9, the adapter frame 8, the base 1, and the iron rod 2 are conveniently flexibly rotated and adjusted, so that the lightning rod 7 and the lightning receptor 5 are always vertically upward, so as to facilitate installation and use. The locking bolt 10 plays a role in fixing the left arc-shaped clamp 11 and the right arc-shaped clamp 19, so as to realize flexible rotation adjustment when the lightning protection device is installed, and facilitate the lightning protection device to always be vertically upward for lightning protection;

[0025] A support block 22 is disposed outside the support plate 13, and three groups of support arms 20 are installed at equal intervals on the top of the support block 22, and the support arms 20 are all fixedly connected to the support plate 13;

[0026] Three groups of linkage arms 15 are installed on the outer wall of the support block 22 at equal intervals. The ends of the linkage arms 15 close to the support block 22 are all installed with front shafts 16, and the linkage arms 15 are movably connected to the support block 22 through the front shafts 16.

[0027] The end of the linkage arm 15 away from the support block 22 is provided with a hook 18, and the end of the linkage arm 15 close to the hook 18 is installed with a rear axle 21, and the linkage arm 15 is movably connected to the hook 18 through the rear axle 21;

[0028] A threaded rod 17 is disposed at the center of the support block 22 , and the threaded rod 17 is threadedly connected to the support block 22 . A handle 14 is installed at the top end of the threaded rod 17 , and a pressing block 26 is installed at the bottom end of the threaded rod 17 .

[0029] When in use, the handle 14 is rotated, and the handle 14 drives the threaded rod 17 to rotate. Under the threaded connection between the threaded rod 17 and the support block 22, the support block 22 drives the pressure block 26 to move. The support block 22 is movably connected to the linkage arm 15 through the front axle 16, and the linkage arm 15 movably supports the hook 18 through the rear axle 21, so as to facilitate the cooperation of the hook 18 and the pressure block 26 for clamping and fixing, so as to facilitate the rapid installation and fixation of the lightning protection device, realize convenient and rapid clamping and fixation of the lightning protection device, facilitate flexible installation and use with the photovoltaic module, and improve the convenience of installing the photovoltaic module.

[0030] When the embodiment of the present application is in use: an external power supply is connected, first, the hook 18 is connected to the bracket of the photovoltaic module, and the grounding body 25 is inserted into the earth with the cooperation of the foot pedal 24. The lightning rod 7, the iron column 6, the iron rod 2, and the base 1 are all made of conductive materials, and the lightning receptor 5, the vertical pole 4, and the annular frame 3 are all made of conductive materials. With the cooperation of the down conductor 23, the lightning rod 7 and the lightning receptor 5 play a role in lightning protection, and the lower ball head 12 is movably connected with the right arc clip 19 and the left arc clip 11, and the upper ball head 9 is movably connected with the right arc clip 19 and the left arc clip 11. It is convenient to use the adapter frame 8, the base 1, and the iron rod 2 for flexible rotation adjustment, so that the lightning rod 7 and the lightning receptor 5 are always vertically upward, so as to facilitate installation and use. The handle 14 drives the threaded rod 17 to rotate. Under the threaded connection between the threaded rod 17 and the support block 22, the support block 22 drives the pressure block 26 to move. The support block 22 is movably connected to the linkage arm 15 through the front axle 16, and the linkage arm 15 is movably supported by the hook 18 through the rear axle 21, so as to facilitate the clamping and fixing of the hook 18 and the pressure block 26, so as to facilitate the rapid installation and fixation of the lightning protection device and complete the use of the lightning protection device.

Claims

1. A lightning protection device for a photovoltaic module, characterized in that: The invention comprises a base (1) and an iron rod (2), wherein the top of the base (1) is provided with an iron rod (2), the top of the iron rod (2) is provided with an iron column (6), the top of the iron column (6) is provided with a lightning rod (7), an annular frame (3) is provided on the outer wall of the iron rod (2) below the iron column (6), a plurality of groups of vertical poles (4) at equal intervals are provided on the outer wall of the annular frame (3), the tops of the vertical poles (4) are provided with lightning arresters (5), an adapter frame (8) is provided on the surface of the base (1), a down conductor (23) is provided on the bottom of the base (1), and the down conductor (23) is provided on the outer wall of the iron rod (2) below the iron column (6). 3) is provided with a foot pedal (24) at the bottom end, a grounding body (25) is provided at the bottom end of the foot pedal (24), an upper ball head (9) is provided at one end of the adapter frame (8) away from the base (1), a lower ball head (12) is provided outside the adapter frame (8) below the upper ball head (9), a support plate (13) is provided at the bottom end of the lower ball head (12), a right arc-shaped clamp (19) is provided on the outer wall of the upper ball head (9) and the lower ball head (12), and a left arc-shaped clamp (11) is provided on the side of the outer wall of the upper ball head (9) and the lower ball head (12) away from the right arc-shaped clamp (19).

2. A lightning protection device for a photovoltaic module according to claim 1, characterized in that: A locking bolt (10) is arranged on the outer wall of the left arc-shaped clamp (11), and the locking bolt (10) extends to the inside of the right arc-shaped clamp (19).

3. The lightning protection device for a photovoltaic module according to claim 1, characterized in that: A support block (22) is arranged outside the support plate (13), and three groups of support arms (20) with equal spacing are installed on the top of the support block (22), and the support arms (20) are all fixedly connected to the support plate (13).

4. A lightning protection device for a photovoltaic module according to claim 3, characterized in that: Three groups of linkage arms (15) are installed at equal intervals on the outer wall of the support block (22); a front axle (16) is installed at one end of the linkage arm (15) close to the support block (22), and the linkage arm (15) is movably connected to the support block (22) via the front axle (16).

5. A lightning protection device for a photovoltaic module according to claim 4, characterized in that: The end of the linkage arm (15) away from the support block (22) is provided with a hook (18), the end of the linkage arm (15) close to the hook (18) is installed with a rear axle (21), and the linkage arm (15) is movably connected to the hook (18) via the rear axle (21).

6. A lightning protection device for a photovoltaic module according to claim 3, characterized in that: A threaded rod (17) is arranged at the center of the support block (22), and the threaded rod (17) is threadedly connected to the support block (22), a handle (14) is installed at the top end of the threaded rod (17), and a pressing block (26) is installed at the bottom end of the threaded rod (17).

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