CN219068101U - Lightning protection device of photovoltaic module - Google Patents
Lightning protection device of photovoltaic module Download PDFInfo
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- CN219068101U CN219068101U CN202223546717.5U CN202223546717U CN219068101U CN 219068101 U CN219068101 U CN 219068101U CN 202223546717 U CN202223546717 U CN 202223546717U CN 219068101 U CN219068101 U CN 219068101U
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- photovoltaic
- connecting block
- lightning protection
- flat iron
- protection device
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The utility model relates to the technical field of photovoltaic lightning protection, in particular to a lightning protection device of a photovoltaic module, which comprises a photovoltaic bracket, wherein a photovoltaic mechanism is fixed above the photovoltaic bracket through screws, the photovoltaic mechanism comprises a photovoltaic plate and a supporting frame, the photovoltaic plate is fixed in the supporting frame, and one side of the photovoltaic bracket is provided with flat iron for being connected with a total lightning protection net; according to the utility model, the preset positioning structure of the flat iron is arranged, so that the flat iron is preset in the connecting block before welding and then is welded with the U-shaped table at one end of the connecting block, the connection effect of the flat iron and the connecting block can be improved, the welding difficulty is reduced, the conductive stability between the connecting block and the supporting frame of the photovoltaic panel is improved through the arrangement of the conductive sheet and the installation structure of the conductive sheet, and compared with the traditional welding mode of the flat iron and the support, the lightning protection device has the effects of being convenient to install and improving the conductive connection effect.
Description
Technical Field
The utility model relates to the technical field of photovoltaic lightning protection, in particular to a lightning protection device of a photovoltaic module.
Background
The solar photovoltaic grid-connected power generation system basically comprises: the solar energy power distribution system comprises a solar cell array, a direct current power distribution cabinet, an alternating current power distribution cabinet, an inverter and the like. The solar cell array support is made of metal materials and occupies a large space, is generally placed at the top of a building or on the open ground, is easy to damage by lightning strike when a thunderstorm occurs, and is relatively expensive due to the fact that the solar cell assembly and the inverter are relatively expensive, and in order to avoid economic losses caused by lightning strike and surge, lightning protection devices are installed in parallel photovoltaic power generation in the prior art.
In the prior art, the lightning protection device is not complicated in composition, but has higher requirements on electric conduction, and is required to be completely welded during welding, and electric arcs cannot be caused by virtual welding.
The lightning protection device of the photovoltaic building convenient to disassemble and assemble in Chinese patent CN113097867B comprises a photovoltaic bracket, a solar photovoltaic panel, an installation long plate, a first inclined seat, a lightning protection rod, a lightning rod, a connecting movable plate frame structure, a transverse conducting rod, a connecting protective sleeve structure, a vertical conducting rod, a second inclined seat, a T-shaped installation column, a grounding pipe, a rotating rod and a drilling head, wherein the solar photovoltaic panel is installed at the upper end of the photovoltaic bracket through bolts; the installation long plate is arranged on the upper surface of the solar photovoltaic plate; the first inclined seat is welded at the upper end of the mounting long plate; one end of the lightning protection rod is connected with the bolt and the nut of the first inclined seat, and the other end of the lightning protection rod is connected with the lightning rod through threads.
The device can improve lightning protection device's just tear open nature, but to the connection mode that the band iron welding among the prior art incorporated lightning net bus, when band iron and metal support welding, the band iron can not be prepositioned, makes high, the band iron of band iron welded welding technological requirement and the easy rosin of causing the rosin joint when being connected with metal support.
Disclosure of Invention
The utility model aims to provide a lightning protection device of a photovoltaic module, which solves the problems that in the prior art, in a lightning protection mode that flat iron is integrated into a lightning protection net total system, the requirement on flat iron welding is high, the flat iron is inconvenient to pre-position with a bracket during welding, and is easy to be subjected to cold welding, and an arc is damaged due to poor conduction in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a lightning protection device of photovoltaic module, includes the photovoltaic support, there is photovoltaic mechanism photovoltaic support's top through the screw fixation, photovoltaic mechanism includes photovoltaic board and carriage, the photovoltaic board is fixed in the carriage, one side of photovoltaic support is provided with the band iron that supplies to be connected with total lightning protection net, the one end of photovoltaic support is provided with the connecting block that supplies band iron to be connected with the carriage, be provided with the pre-positioning mechanism of being convenient for band iron welded in the connecting block, be provided with the conducting strip between connecting block and the photovoltaic support, the bottom of connecting block is provided with the mounting structure of being convenient for the conducting strip installation, one side of photovoltaic support is provided with the auxiliary positioning structure of band iron.
Preferably, the photovoltaic bracket comprises three-leg side frames and cross beams, the three-leg side frames and the cross beams are both provided with two, the cross beams are fixed on the upper surfaces of the two three-leg side frames through screws, and the connecting blocks are respectively located at one ends of the two cross beams.
Preferably, the mounting structure comprises a rectangular limit groove, the limit groove is formed in the upper surface of one end of the cross beam, the conducting strip is placed in the limit groove, the lower surface of the conducting strip is tightly attached to the cross beam, and the upper surface of the conducting strip is tightly attached to the lower surface of the supporting frame.
Preferably, the mounting structure further comprises a boss, the connecting block is in a Z-shaped arrangement, the boss is integrally formed on the lower surface of the connecting block, the crossbeam and one end of the conducting strip are both provided with a yielding groove, the boss is located in the yielding groove, and a locking bolt is connected between the crossbeam and the connecting block in a threaded manner.
Preferably, the pre-positioning mechanism comprises a slot and a screw rod, the slot is formed in one side of the connecting block, the screw rod penetrates through the upper surface of the connecting block and is in threaded connection with the connecting block, one end of the flat iron is inserted into the slot, and the bottom end of the screw rod compresses the upper surface of the flat iron.
Preferably, two locking bolts are arranged, the two locking bolts are respectively positioned on two sides of the screw rod, and the locking bolts sequentially penetrate through the connecting block, the conducting strip and the cross beam.
Preferably, one end of the connecting block is provided with an integrally formed U-shaped table, and the other end of the connecting block is tightly pressed with the upper surface of the supporting frame.
Preferably, the auxiliary positioning structure comprises a positioning bolt, one end of the positioning bolt penetrates through the tripod side frame and is in threaded connection with the tripod side frame, and the other end of the positioning bolt penetrates through the flat iron and is fixedly connected with the flat iron through a nut.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the preset positioning structure of the flat iron is arranged, so that the flat iron is preset in the connecting block before welding and then is welded with the U-shaped table at one end of the connecting block, the connection effect of the flat iron and the connecting block can be improved, the welding difficulty is reduced, the conductive stability between the connecting block and the supporting frame of the photovoltaic panel is improved through the arrangement of the conductive sheet and the installation structure of the conductive sheet, and compared with the traditional welding mode of the flat iron and the support, the lightning protection device has the effects of being convenient to install and improving the conductive connection effect.
Drawings
FIG. 1 is an isometric view of the present utility model;
FIG. 2 is an exploded view of the pre-positioning mechanism of the present utility model;
fig. 3 is a schematic view of the external structure of the pre-positioning mechanism of the present utility model.
In the figure: 1. a photovoltaic support; 2. a photovoltaic panel; 3. a support frame; 4. a flat iron; 5. a connecting block; 6. a pre-positioning mechanism; 7. a conductive sheet; 8. an auxiliary positioning structure; 101. a tripod side frame; 102. a cross beam; 901. a limit groove; 902. a boss; 903. a relief groove; 904. a locking bolt; 601. a slot; 602. a screw; 603. a U-shaped table; 801. and positioning bolts.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a photovoltaic module's lightning protection device, including photovoltaic support 1, there is photovoltaic mechanism photovoltaic support 1's top through the screw fixation, photovoltaic mechanism includes photovoltaic board 2 and braced frame 3, photovoltaic board 2 is fixed in braced frame 3, one side of photovoltaic support 1 is provided with the band iron 4 that supplies to be connected with total lightning protection net, the one end of photovoltaic support 1 is provided with the connecting block 5 that supplies band iron 4 to be connected with braced frame 3, be provided with the pre-positioning mechanism 6 of being convenient for band iron 4 welded in the connecting block 5, be provided with conducting strip 7 between connecting block 5 and the photovoltaic support 1, the bottom of connecting block 5 is provided with the mounting structure of being convenient for conducting strip 7 installation, one side of photovoltaic support 1 is provided with auxiliary positioning structure 8 of band iron 4.
The outside braced frame 3 of photovoltaic board 2 is metal material, has electric conductivity, and through conducting strip 7, connecting block 5 can be connected electrically conductive with braced frame 3, and band iron 4 welding makes braced frame 3 and band iron 4 can be connected electrically conductive in connecting block 5, in the bus of lightning-arrest net is gone into to the one end welding of band iron 4 again, is connected with the earth, and predeposition before predeposition mechanism 6 is convenient for band iron 4 welding can reduce band iron 4 directness and support welded difficulty.
The photovoltaic bracket 1 comprises three-leg side frames 101 and cross beams 102, wherein two three- leg side frames 101 and 102 are respectively arranged, the cross beams 102 are fixed on the upper surfaces of the two three-leg side frames 101 through screws, and connecting blocks 5 are respectively arranged at one ends of the two cross beams 102. Both the tripod side frames 101 and the cross beam 102 are made of metal, and support the photovoltaic panel 2.
The mounting structure includes rectangle spacing groove 901, and the upper surface at crossbeam 102 one end is offered to spacing groove 901, and conducting strip 7 is placed in spacing groove 901, and the lower surface of conducting strip 7 is closely with crossbeam 102, and the upper surface of conducting strip 7 is closely with the lower surface of braced frame 3.
The conducting strip 7 is convenient to be placed in the beam 102 through the limiting groove 901, and then pushed into the bottom of the supporting frame 3 to be tightly attached to the lower surface of the supporting frame 3.
The mounting structure still includes boss 902, and connecting block 5 is the Z shape setting, and boss 902 integrated into one piece is at the lower surface of connecting block 5, and crossbeam 102 and conducting strip 7's one end all is provided with the groove 903 of stepping down, and boss 902 is located the groove 903 of stepping down, and threaded connection has lock bolt 904 between crossbeam 102 and the connecting block 5. After the boss 902 is pushed into the relief groove 903 by the boss 902, the lower surface of the boss 902 is tightly attached to the limit groove 901 of the beam 102, the inner wall of the relief groove 903 of the conducting strip 7 is tightly attached to the outer wall of the boss 902, the contact area between the conducting strip and the connecting block 5 is increased, and the stability of the conducting structure is improved.
The pre-positioning mechanism 6 comprises an inserting groove 601 and a screw 602, the inserting groove 601 is formed in one side of the connecting block 5, the screw 602 penetrates through the upper surface of the connecting block 5 and is in threaded connection with the connecting block 5, one end of the flat iron 4 is inserted into the inserting groove 601, and the bottom end of the screw 602 compresses the upper surface of the flat iron 4. After the flat iron 4 is inserted into the slot 601, the screw 602 is screwed, so that the screw 602 descends to press the flat iron 4 from above, the slot 601 limits the flat iron 4 in the horizontal direction, and the screw 602 limits the flat iron 4 in the longitudinal direction.
The locking bolts 904 are provided in two, the two locking bolts 904 are respectively located at two sides of the screw 602, and the locking bolts 904 sequentially penetrate through the connecting block 5, the conductive sheet 7 and the beam 102. As shown in fig. 3, the locking bolts 904 extend through the entire beam 102, the connection block 5, locking the connection block 5 to the beam 102.
One end of the connection block 5 is provided with an integrally formed U-shaped table 603, and the other end of the connection block 5 is pressed against the upper surface of the support frame 3. By providing the U-shaped table 603, a welding station is provided for the connecting table and the flat iron 4.
The auxiliary positioning structure 8 comprises a positioning bolt 801, one end of the positioning bolt 801 penetrates through the tripod side frame 101 and is in threaded connection with the tripod side frame 101, and the other end of the positioning bolt 801 penetrates through the flat iron 4 and is fixedly connected with the flat iron 4 through a nut; through setting up positioning bolt 801, avoid band iron 4 bottom to rock.
When the lightning protection device is used, the supporting frame 3 outside the photovoltaic panel 2 is made of a metal material and has conductivity, the connecting block 5 can be connected with the supporting frame 3 through the conducting strip 7 to conduct electricity, the flat iron 4 is welded in the connecting block 5, so that the supporting frame 3 and the flat iron 4 can be connected to conduct electricity, and then one end of the flat iron 4 is welded into the lightning protection net bus to be connected with the ground, so that lightning protection is realized;
during welding, the flat iron 4 is inserted into the slot 601, the flat iron 4 is limited in the horizontal direction, the bolt is screwed, the bottom of the screw 602 is pressed against the flat iron 4, at the moment, the flat iron 4 is pre-positioned, the contact position of the flat iron 4 and the U-shaped table 603 is welded, the screw 602 does not need to be reset after the welding is finished, the welding mode can improve the stability of the welding, reduce the welding difficulty, reduce the probability of cold welding, improve the stability of the supporting frame 3 in electric conduction through the flat iron 4, and improve the effect of lightning protection and electric conduction.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A lightning protection device of a photovoltaic module is characterized in that: including photovoltaic support (1), photovoltaic mechanism is passed through to the top of photovoltaic support (1) through the screw fixation, photovoltaic mechanism includes photovoltaic board (2) and carriage (3), photovoltaic board (2) are fixed in carriage (3), one side of photovoltaic support (1) is provided with flat iron (4) that supplies to be connected with total lightning protection net, one end of photovoltaic support (1) is provided with connecting block (5) that supplies flat iron (4) to be connected with carriage (3), be provided with in connecting block (5) be convenient for flat iron (4) welded predeposition mechanism (6), be provided with conducting strip (7) between connecting block (5) and photovoltaic support (1), the bottom of connecting block (5) is provided with the mounting structure that is convenient for conducting strip (7) installation, one side of photovoltaic support (1) is provided with auxiliary positioning structure (8) of flat iron (4).
2. The lightning protection device for a photovoltaic module according to claim 1, wherein: the photovoltaic bracket (1) comprises three-leg side frames (101) and a cross beam (102), wherein the three-leg side frames (101) and the cross beam (102) are both provided with two, the cross beam (102) is fixed on the upper surfaces of the two three-leg side frames (101) through screws, and the connecting blocks (5) are respectively located at one ends of the two cross beams (102).
3. The lightning protection device for a photovoltaic module according to claim 2, wherein: the mounting structure comprises a rectangular limit groove (901), the limit groove (901) is formed in the upper surface of one end of the cross beam (102), the conducting strip (7) is placed in the limit groove (901), the lower surface of the conducting strip (7) is tightly attached to the cross beam (102), and the upper surface of the conducting strip (7) is tightly attached to the lower surface of the supporting frame (3).
4. A photovoltaic module lightning protection device according to claim 3, wherein: the mounting structure further comprises a boss (902), the connecting block (5) is arranged in a Z-shaped mode, the boss (902) is integrally formed on the lower surface of the connecting block (5), the crossbeam (102) and one end of the conducting strip (7) are respectively provided with a yielding groove (903), the boss (902) is located in the yielding groove (903), and a locking bolt (904) is connected between the crossbeam (102) and the connecting block (5) in a threaded mode.
5. The photovoltaic module lightning protection device according to claim 4, wherein: the pre-positioning mechanism (6) comprises a slot (601) and a screw rod (602), the slot (601) is formed in one side of the connecting block (5), the screw rod (602) penetrates through the upper surface of the connecting block (5) and is in threaded connection with the connecting block (5), one end of the flat iron (4) is inserted into the slot (601), and the bottom end of the screw rod (602) is tightly pressed against the upper surface of the flat iron (4).
6. The photovoltaic module lightning protection device according to claim 5, wherein: the locking bolts (904) are arranged at two sides of the screw (602), and the locking bolts (904) sequentially penetrate through the connecting block (5), the conducting strip (7) and the cross beam (102).
7. The photovoltaic module lightning protection device of claim 6, wherein: one end of the connecting block (5) is provided with an integrally formed U-shaped table (603), and the other end of the connecting block (5) is tightly pressed with the upper surface of the supporting frame (3).
8. The photovoltaic module lightning protection device of claim 7, wherein: the auxiliary positioning structure (8) comprises a positioning bolt (801), one end of the positioning bolt (801) penetrates through the tripod side frame (101) and is in threaded connection with the tripod side frame (101), and the other end of the positioning bolt (801) penetrates through the flat iron (4) and is fixedly connected with the flat iron (4) through a nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223546717.5U CN219068101U (en) | 2022-12-29 | 2022-12-29 | Lightning protection device of photovoltaic module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223546717.5U CN219068101U (en) | 2022-12-29 | 2022-12-29 | Lightning protection device of photovoltaic module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219068101U true CN219068101U (en) | 2023-05-23 |
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ID=86363606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223546717.5U Active CN219068101U (en) | 2022-12-29 | 2022-12-29 | Lightning protection device of photovoltaic module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219068101U (en) |
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2022
- 2022-12-29 CN CN202223546717.5U patent/CN219068101U/en active Active
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