9results about How to "Improve lightning protection effect" patented technology

The utility model discloses an outdoor electronic equipment input power supply lightning protection device relates to lightning protection equipment technical field, it includes power input, power output and sets up between the lightning protection circuit of power input with power output, the lightning protection circuit includes isolation transformer, and the primary side and secondary side of isolation transformer all have the parallel connection of pressure sensitive resistance, power input is connected with power supply, and the power output is connected with the power input of outdoor electronic equipment. Compared with prior art, the utility model can effectively enhance the lightning protection effect of terminal electric equipment, and the damage of thunder and lightning to outdoor electronic equipment is reduced.

This invention discloses a lightning protection system for glass curtain walls in high-rise buildings. The system includes embedded parts, connecting conductors, intermediate conductors, and conductive connecting pieces. The embedded parts are welded to the main building structure to facilitate equipotential bonding between them. One end of the intermediate conductor is connected to the lower part of the glass curtain wall column, and the other end is connected to the embedded parts. One end of the connecting conductor is welded to the embedded parts, and the other end is connected to the intermediate conductor. The glass curtain wall column of this invention forms a lightning current path with the main building structure through the conductive connecting pieces, intermediate conductors, and connecting conductors. The lightning protection system of this invention, by forming a lightning current path with the main building structure through the conductive connecting pieces, intermediate conductors, and connecting conductors, ensures the stability and reliability of the lightning current path, effectively improving the lightning protection performance of the curtain wall and guaranteeing the safety of the high-rise building structure.

The application discloses a kind of installation structures of strain tower lightning arrester suitable for coastal multi-thunder typhoon area, solve the problem that traditional lightning arrester installation cannot meet the protection demand of strong thunder area and the problem of insufficient wind load resistance and overturning resistance capability.Therein, the lightning arrester includes a lightning arrester body and a fixed base, the lightning arrester body is fixed on the tower body support of strain tower through the fixed base, and is spaced apart from the strain insulator at a set distance;The fixed base is provided with a lightning arrester position adjusting structure for adjusting the installation position of the lightning arrester;The lightning arrester is reinforced by a double-insulator cable-stayed support assembly, the double-insulator cable-stayed support assembly includes two cable-stayed insulators, the oblique downward end of the cable-stayed insulator is connected with the lightning arrester, and the oblique upward end is connected with the tower body support of strain tower.

This utility model discloses a non-lightning-contact lightning protection device, including a fixed base. An adjustment mechanism is provided inside the fixed base. The adjustment mechanism includes a non-lightning-contact lightning protection body located above the fixed base. A connecting block is fixedly connected to the bottom of the non-lightning-contact lightning protection body. A transmission rod is rotatably connected inside the fixed base. The transmission rod is fixedly connected to the connecting block. An auxiliary gear is fixedly connected to one end of the transmission rod. A moving rod is slidably connected inside the fixed base. A limiting tooth block is fixedly connected to one end of the moving rod near the auxiliary gear. The limiting tooth block meshes with the auxiliary gear. An auxiliary ring is fixedly connected to the outer surface of the moving rod. A fixed plate is fixedly connected to the other end of the moving rod. Two guide rods are connected inside the fixed plate and inserted into the inside of the fixed base.

The utility model discloses a photovoltaic assembly with a direct lightning protection function and an inductive lightning protection function, which comprises a metal support frame and a photovoltaic panel arranged in the metal support frame, the photovoltaic panel comprises an upper glass plate, a drainage wire layer, a lower glass plate and a photovoltaic power generation panel which are sequentially attached and fixed from top to bottom, the upper glass plate is provided with a plurality of mounting holes, and the drainage wire layer is arranged on the lower glass plate. A metal lightning arrester is arranged in the mounting hole, and the lower end of the metal lightning arrester is connected to the drainage wire layer; the metal supporting frame is provided with a plurality of drainage buckles used for fixing the photovoltaic panel, and the drainage buckles are communicated with a drainage wire layer in the photovoltaic panel. The metal support frame is also provided with a grounding connecting piece. According to the utility model, the photovoltaic panel can be effectively protected from being damaged by direct lightning and inductive lightning, and the dual lightning protection effect is good. Meanwhile, the small-size metal lightning arrester can greatly reduce the risk of lightning triggering, reduces the shielding of the photovoltaic power generation assembly, guarantees the safe operation of the photovoltaic panel in a lightning environment, and does not affect the power generation efficiency.

The application relates to a lightning protection circuit and a switching power supply, wherein the circuit comprises a first lightning protection module and a second lightning protection module, the input end of the first lightning protection module is connected with a power supply, the output end of the first lightning protection module is connected with the input end of the second lightning protection module, and the output end of the second lightning protection module is connected with a subsequent circuit; wherein the first lightning protection module comprises a first fuse and a first voltage-dependent resistor connected in series; and the second lightning protection module comprises a second fuse and a second voltage-dependent resistor connected in series. Through the application, the problem that a lightning protection circuit cannot simultaneously have high lightning protection efficiency and low cost is solved.

The utility model discloses a photovoltaic line ground resistance resistance lightning protection device, including site, photovoltaic system and lightning protection component, the center of site installs photovoltaic system, and the periphery of photovoltaic system is installed with resistance soil zone that buries. Advantageous effect: set up the main ground net that surrounds the outside of photovoltaic system, through the reliable connection of the ground lead -on line of multipoint connection with photovoltaic system, scatter lightning current distribution, adopt the main ground net material of graphene ground belt, through the resistance rate of multiple parallel reduction, its conductivity and corrosion resistance are superior to traditional steel material, can reduce contact resistance, on this basis, since the main ground net is connected with photovoltaic system through the ground lead -on line of mesh arrangement, and the main ground net is laid on the top surface of rectangular resistance soil zone, and the main ground net is set in the pre -buried pit of resistance soil zone through the ground lead -down body, combines the resistance soil zone of low resistance rate soil and resistance agent filling combination, enlarge the current spreading range, promote the current spreading efficiency.

The utility model discloses a tower lightning protection grounding device which comprises a connecting block, a grounding rod is fixedly installed on the outer surface of the lower end of the connecting block, a spiral metal conductor is fixedly installed on the outer wall of the grounding rod, a mounting hole is formed in the upper portion of the outer surface of one side of the connecting block, and a grounding down lead penetrates through the mounting hole. A limiting assembly is mounted in the connecting block and comprises a second limiting hole, a third limiting hole, a mounting cavity, a compression spring, a limiting block and a limiting pin. According to the lightning protection grounding device for the tower, the grounding downlead and the connecting block are limited through the limiting assembly, the stability after connection is improved, assembly and disassembly are facilitated, the contact area between the grounding body and soil is increased through the grounding rod, the spiral metal conductor and the spiral structure, and the grounding body is prevented from being damaged. And grounding resistance is reduced.

The utility model relates to the technical field of box-type substation lightning protection, and discloses a lightning protection module layout structure of a box-type substation, which comprises a box-type substation box body, the top of the box-type substation box body is provided with a top lightning protection module, and the side wall of the box-type substation box body is provided with a side wall lightning protection module. According to the lightning protection module layout structure of the box-type substation, the lightning protection modules with different functions are arranged at the top, on the side wall and in the box body of the box-type substation, so that a multi-layer lightning protection system from outside to inside is formed, lightning invasion in different directions and with different intensities can be effectively intercepted, and the lightning protection capability of the box-type substation is greatly improved; the lightning protection modules realize cooperative work through a reasonable layout and connection mode, and grounding downleads of the top lightning protection module, the side wall lightning protection module and the internal lightning protection module are jointly connected to the same grounding grid, so that rapid discharge of lightning current is ensured, and the risk that electrical equipment is damaged is reduced.