Lightning protection mechanism for photovoltaic power station
Technical Field
The utility model belongs to the technical field of lightning protection, and particularly relates to a lightning protection mechanism for a photovoltaic power station.
Background
The solar energy, wind energy, hydroenergy, geothermal energy and other renewable energy sources develop rapidly and become a new way for sustainable development, solar energy resources in China are quite abundant, as most of solar photovoltaic power generation equipment is installed in open and remote field environments at the ground and is easy to be affected by lightning, equipment damage or power failure is caused, and even personal safety is threatened, the adoption of relevant lightning protection measures for a solar photovoltaic power generation system becomes very important, at present, lightning protection is carried out in a mode of installing lightning protection needles, the lightning protection needles are exposed in outdoor environments for a long time and can be corroded by various natural factors, such as weathering, corrosion and the like, the performance and the service life of the lightning protection needles are reduced, and periodic inspection and replacement are needed.
Traditional lightning needle mounting means is often comparatively simple, under severe weather conditions such as thunderstorm and strong wind, the lightning needle breaks or displacement easily because of receiving external force effects such as great wind-force, thunderbolt impulse, influences its normal lightning protection function, and then threatens the safe and stable operation of whole photovoltaic power plant. In addition, to the installation and the dismantlement operation of drawing the thunder needle, traditional mode is also convenient high-efficient inadequately, is unfavorable for in time changing the thunder needle that damages, for this reason, proposes a lightning protection mechanism for photovoltaic power plant.
Disclosure of utility model
The utility model aims to solve the problems and provide a lightning protection mechanism for a photovoltaic power station, which is convenient to install and has high stability.
The utility model realizes the above purpose through the following technical scheme:
The lightning protection mechanism for the photovoltaic power station comprises a photovoltaic panel and a mounting seat, wherein lightning guide pins are arranged on the mounting seat, and lightning protection flat irons are arranged between the photovoltaic panel and the mounting seat;
The method also comprises the following steps:
The fixing frame is arranged on the mounting seat in a sliding manner;
The opening and closing mechanism is arranged in the mounting seat, and is extruded by the lightning guide pair opening and closing mechanism, so that the fixing frame moves inwards.
As a further optimization scheme of the utility model, the mounting seat is provided with the embedded cylinder, the mounting plate is arranged in the embedded cylinder, positioning grooves are formed in two sides of the inner surface of the mounting seat, the mounting seat is provided with the sliding grooves, the sliding grooves are positioned on two sides of the embedded cylinder, the fixing frame is arranged in the sliding grooves in a sliding manner, and the mounting seat is provided with the ground wire.
As a further optimization scheme of the utility model, the opening and closing mechanism comprises a sliding rod, the sliding rod is arranged on the mounting plate in a penetrating and sliding manner, the upper end of the sliding rod is provided with a pressure receiving plate, a spring is arranged between the pressure receiving plate and the mounting plate, the lower end of the sliding rod is provided with a rotating seat, push rods are arranged on two sides of the embedded cylinder in a penetrating and sliding manner, and a connecting rod is hinged between the push rods and the rotating seat.
As a further optimization scheme of the utility model, the push rod penetrates through the embedded cylinder and is fixedly connected with the fixing frame, the upper end of the fixing frame is provided with the clamping ring, and the clamping ring is of a semicircular structure.
As a further optimization scheme of the utility model, positioning blocks are arranged on two sides of the lightning needle, the positioning blocks can be embedded into the positioning grooves, and the embedded cylinder is sleeved on the lightning needle.
As a further optimization scheme of the utility model, a fixing bolt is arranged between the embedded cylinder and the lightning needle.
The utility model has the beneficial effects that:
Compared with the prior art, when the lightning needle is installed, the downward movement of the lightning needle can trigger the opening and closing mechanism, so that the fixing frame moves inwards, the semicircular clamping ring at the upper end of the fixing frame clamps and fixes the lightning needle, the lightning needle is effectively prevented from being broken, the stability of the lightning needle in bad weather is greatly improved, the reliable realization of the lightning protection function is ensured, in addition, when the lightning needle is detached and replaced, the operation is simple and convenient and quick, when the lightning needle is lifted to the initial position of the pressure receiving plate, the clamping ring is completely opened, and the lightning needle is only lifted to the height of the embedded cylinder to be completely taken down.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic view of the installation of the lightning rod of the structure of the utility model;
FIG. 3 is a schematic view of the structure of the present utility model taken along the L-L direction in FIG. 2;
fig. 4 is an enlarged schematic view of the structure of fig. 3a according to the present utility model.
In the figure, a photovoltaic panel, 2, a mounting seat, 21, a sliding groove, 22, an embedded cylinder, 221, a positioning groove, 222, a mounting plate, 23, a ground wire, 3, a lightning conductor, 31, a positioning block, 4, a fixing frame, 41, a clamping ring, 5, a fixing bolt, 6, an opening and closing mechanism, 61, a sliding rod, 611, a pressure receiving plate, 62, a rotating seat, 63, a push rod, 64, a connecting rod, 65 and a spring.
Detailed Description
The present application will be described in further detail with reference to the accompanying drawings, wherein it is to be understood that the following detailed description is for the purpose of further illustrating the application only and is not to be construed as limiting the scope of the application, as various insubstantial modifications and adaptations of the application to those skilled in the art can be made in light of the foregoing disclosure.
Example 1
As shown in fig. 1-4, a lightning protection mechanism for a photovoltaic power station comprises a photovoltaic panel 1 and a mounting seat 2, wherein a lightning needle 3 is arranged on the mounting seat 2, and a lightning protection flat iron is arranged between the photovoltaic panel 1 and the mounting seat 2;
The method also comprises the following steps:
the fixing frame 4 is arranged on the mounting seat 2 in a sliding manner;
the opening and closing mechanism 6 is arranged in the mounting seat 2, and the lightning guide needle 3 extrudes the opening and closing mechanism 6, so that the fixing frame 4 moves inwards.
Be provided with embedded section of thick bamboo 22 on the mount pad 2, be provided with mounting panel 222 in the embedded section of thick bamboo 22, positioning groove 221 has been seted up on the inside surface both sides of mount pad 2, sliding groove 21 has been seted up on the mount pad 2, sliding groove 21 is located embedded section of thick bamboo 22 both sides, mount 4 slip sets up in sliding groove 21, make mount 4 follow appointed direction through sliding groove 21 and remove, make mount 4 can accurately move to the inboard under the effect of mechanism 6 that opens and shuts, be provided with ground wire 23 on the mount pad 2, guide the ground wire 23 on the mount pad 2 with thunder and lightning safely through the lightning protection band iron, realize the lightning protection to photovoltaic power plant.
The opening and closing mechanism 6 comprises a sliding rod 61, the sliding rod 61 is arranged on the mounting plate 222 in a penetrating and sliding manner, a pressure receiving plate 611 is arranged at the upper end of the sliding rod 61, a spring 65 is arranged between the pressure receiving plate 611 and the mounting plate 222, a rotating seat 62 is arranged at the lower end of the sliding rod 61, push rods 63 are arranged at two sides of the embedded cylinder 22 in a penetrating and sliding manner, connecting rods 64 are hinged between the push rods 63 and the rotating seat 62, when the lightning rod 3 presses the pressure receiving plate 611, the sliding rod 61 moves downwards, the push rods 63 are driven to move through the connecting rods 64, and therefore the fixing frame 4 moves inwards, and clamping and fixing of the lightning rod 3 are achieved.
The push rod 63 runs through behind the embedded section of thick bamboo 22 with mount 4 fixed connection, mount 4 upper end is provided with grip ring 41, grip ring 41 is the semicircle structure, is convenient for carry out the centre gripping to the lightning needle 3 fixedly, in thunderstorm weather, when the lightning needle 3 receives the exotic effect, the stability of lightning needle 3 can be strengthened to mount 4, prevents its rupture, guarantee lightning protection effect.
Positioning blocks 31 are arranged on two sides of the lightning rod 3, the positioning blocks 31 can be embedded into the positioning grooves 221, and the embedded cylinder 22 is sleeved on the lightning rod 3.
A fixing bolt 5 is arranged between the embedded cylinder 22 and the lightning rod 3.
The working principle of the lightning protection mechanism for the photovoltaic power station is as follows, when the lightning rod 3 is installed, the positioning blocks 31 on two sides of the lightning rod 3 are embedded into the positioning grooves 221 on two sides of the embedded cylinder 22 on the installation seat 2, and the embedded cylinder 22 is sleeved on the lightning rod 3 and is further fixed through the fixing bolt 5. Along with the downward movement of the lightning rod 3 in the embedded cylinder 22, the pressure receiving plate 611 is stressed to press down, the sliding rod 61 is driven to slide downwards along the mounting plate 222, the spring 65 is compressed, the rotating seat 62 at the lower end of the sliding rod 61 descends along with the downward movement, the push rods 63 penetrating through the sliding arrangement at two sides of the embedded cylinder 22 move inwards through the connecting rod 64, as the push rods 63 penetrate through the embedded cylinder 22 and are fixedly connected with the fixing frame 4 in the sliding groove 21 on the mounting seat 2, the fixing frame 4 moves inwards, the semicircular clamping ring 41 at the upper end of the fixing frame 4 can clamp and fix the lightning rod 3, the lightning rod 3 is supported by the fixing frame 4, the lightning rod 3 can be effectively prevented from being broken, the stability of the lightning rod 3 in thunderstorm and strong wind weather is improved, meanwhile, when the lightning rod 3 is disassembled and replaced, the lightning rod 3 is lifted to the initial position of the pressure receiving plate 611, the clamping ring 41 is completely opened, and then the lightning rod 3 is completely removed only by lifting the lightning rod 3 to the height of the embedded cylinder 22.
The foregoing examples illustrate only a few embodiments of the utility model and are described in detail herein without thereby limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.