39results about How to "Improve lightning protection effect" patented technology

The invention discloses a lightning protection method and system for a power grid in a complex terrain region, and relates to the technical field of power grid lightning protection, and the method comprises the steps: carrying out the DEM simplification and highlighting of an elevation digital model of a to-be-detected region based on a power grid, and building a lightning protection analysis simulation model through simulation software; obtaining a plurality of lightning protection gap setting arrays to be screened; obtaining power grid breakdown hidden danger data and lightning protection data; establishing a lightning protection gap evaluation model; and constructing a lightning protection gap change display model by using each to-be-screened lightning protection gap setting array and the corresponding lightning protection gap evaluation model, performing curved surface analysis on the lightning protection gap change display model to obtain a screened lightning protection gap setting array, and applying the screened lightning protection gap setting array to power grid lightning protection in a complex terrain area. The problems that the lightning protection effect and equipment safety are difficult to balance due to the fact that setting of the lightning protection gap is not clear, the impact damage risk of lightning to power grid equipment is increased, or grounding faults and interphase short circuits are caused due to improper setting of the gap are solved.

The invention relates to the field of electronic material technology and lightning protection, in particular to a progressive impedance thin film material compatible with lightning protection / edge scattering control. The passive protection method based on the Faraday cage concept is applied to lightning stroke protection of a typical edge scattering suppression structure, the surface of the typical edge scattering suppression structure is covered with the whole full-covering periodic hollow impedance film, and the original electrical performance is not negatively influenced by setting the parameter value of each hollow pattern through calculation; and the lightning protection progressive impedance film can effectively guide away lightning current injected into the target body, so that the lightning current smoothly flows into the conductor to well protect the wave-absorbing material below the conductor, thereby achieving a good lightning protection effect and achieving the lightning protection effect at the same time. The method is simple in process, high in operability, easy to implement industrially and suitable for popularization.

The utility model discloses a vertical lockrand aluminum-magnesium-manganese plate metal roof structure which comprises a plurality of protruding connecting pieces fixedly installed on a roof steel frame beam, and connecting plates are fixedly arranged on the two sides of the protruding connecting pieces in the direction perpendicular to the roof steel frame beam. A profiling spraying aluminum plate is fixedly installed on a roof steel frame beam, a dustproof layer, a sound absorption layer, a vapor barrier layer, a heat preservation layer, a waterproof layer and roof panels are sequentially laid on the profiling spraying aluminum plate, and an edge locking support is fixedly installed on a connecting plate and can lock the connecting edge of every two adjacent roof panels. A windproof clamp is detachably installed on the lockrand support and located on the outer side of the roof panel, and a roof lightning protection net is detachably installed on the windproof clamp. The structure can bear large wind load, is not prone to deformation and edge warping, is high in waterproof capacity, can be rapidly connected with a roof lightning protection system, and is simple and compact in structure, convenient to install and high in practicability.

The utility model relates to an intelligent thunder and lightning monitoring system, and effectively solves the problems that the conventional thunder and lightning monitoring equipment is inconvenient to use by people who do outdoor maneuvering operation, is troublesome to install and store, and is inconvenient to respond by themselves before thunder and lightning comes according to monitoring data. The intelligent thunder and lightning monitoring system can form a set of complete automatic thunder and lightning monitoring and protection system, when it is detected that thunderstorm weather will happen, the driving assembly and the lifting mechanism can jack the lightning protection unit to the high point, the lifting range of the lightning protection unit can be enlarged through the design of the lifting mechanism, and therefore the better lightning protection effect is achieved; when it is detected that the weather is good, the driving assembly is controlled again to retract the lightning protection unit into the rod body, and a good protection effect on the lightning protection unit is achieved; the system is convenient for outdoor maneuvering operation personnel to quickly install and store the device, the whole system can automatically run, excessive manual operation is not needed, and great convenience is provided for outdoor maneuvering operation.

The utility model relates to the field of water level monitoring, in particular to an underground water level monitoring station which comprises a Beidou acquisition and transmission terminal, a sensor module and a power supply system. The Beidou acquisition and transmission terminal is arranged outside a monitoring well and comprises an RTU telemetry terminal, a 4G module and a Beidou data transmission terminal which are integrated in one terminal, the RTU telemetry terminal comprises a microprocessor, an interface unit and a power supply unit, the 4G module comprises a 4G transceiver unit and a 4G antenna, the Beidou data transmission terminal comprises a Beidou RDSS transceiver unit and a Beidou transceiver antenna, and the Beidou data transmission terminal comprises a Beidou RDSS transceiver unit and a Beidou transceiver antenna. The 4G antenna and the Beidou transceiving antenna are integrated in the antenna module, the 4G transceiving unit and the Beidou RDSS transceiving unit are integrated in the transceiving module, the antenna module, the transceiving module and the RTU telemetry terminal are sequentially in communication connection, the antenna module is arranged on one side of the transceiving module, and the RTU telemetry terminal is arranged on the other side of the transceiving module. Various devices and modules in the water level monitoring station are not dispersed any more, and connection is convenient.

The present invention relates to the technical field of bladeless wind power generation, and in particular to a lightning protection device for bladeless wind power generation, comprising a base, a support assembly is installed on the upper end of the base, a swing arm mechanism is installed on the upper end of the base, a connecting tube is connected to the upper end of the swing arm mechanism, an energy capture assembly is installed on the outer side of the connecting tube, an electric energy assembly is installed between the energy capture assembly and the support assembly, a fixing mechanism is installed on the upper outer side of the support assembly, and a lightning protection mechanism is installed on the upper end of the fixing mechanism. Compared with the existing technology, the structural design of the present invention is reasonable and practical, and the lightning protection effect is effectively achieved through the vertically installed lightning protection mechanism, which effectively protects the bladeless wind power generation equipment from lightning strikes, and is convenient for effective clamping installation and stable support of the lightning protection mechanism, and is convenient for protection against impact, etc., which effectively improves the stable use effect of the lightning protection mechanism.

The invention discloses a direct lightning damage prevention method and device for a distribution line cement pole tower, and the method comprises the steps: carrying out the breakdown test of a cement test block of the distribution line cement pole tower, and obtaining the breakdown voltage characteristics of the cement test block; performing a large-current through-current test on internal steel bars of the distribution line cement pole tower to obtain thermal collapse current characteristics of the internal steel bars; establishing a direct lightning electrical simulation model of the distribution line cement pole tower according to the breakdown voltage characteristic and the thermal collapse current characteristic; and based on the direct lightning electrical simulation model, selecting the direct lightning damage prevention device for the cement tower of the distribution line and the electrical parameters of the direct lightning damage prevention device. The beneficial effects of the invention are that the cement test block is subjected to a breakdown test and the internal reinforcing steel bar is subjected to a large-current through-flow test, so that accurate breakdown voltage characteristics and thermal collapse current characteristics are obtained, the lightning protection effect is improved, and economic loss caused by lightning stroke is reduced at the same time; by establishing a comprehensive direct lightning electrical simulation model, the simulation accuracy is improved, and the lightning protection design is closer to the actual situation.

The invention discloses a method for installing a wind turbine generator cabin cover lightning protection shielding net, which comprises the following steps: S1, spraying a cleaning agent to comprehensively clean the two sides and the upper side of a cabin cover to ensure that the surface is clean and dust-free; s2, double-faced adhesive tape is pasted, specifically, the double-faced adhesive tape is pasted in the cabin cover, and preparation is made for subsequent pasting of a copper net; and S3, copper net pasting, namely, copper net pasting is conducted from the tail of the cabin to the impeller from bottom to top. The wind turbine generator cabin cover lightning protection shielding net has the advantage of good lightning protection effect, and solves the problems that in the installation process of an existing wind turbine generator cabin cover lightning protection shielding net, the lightning protection shielding net installed in a wind turbine generator cabin is inconvenient to form an integral lightning protection structure, and if the integral structure cannot be formed, the lightning protection shielding net is inconvenient to install. And electromagnetic pulses generated by thunder and lightning may penetrate through a shielding net to damage equipment in a cabin.

The invention discloses a lightning protection blade for a wind turbine, belonging to the technical field of wind power generation. The upper and lower parts of the base are connected to the blade body and the connector respectively, a second cavity is provided in the blade body, and a support plate is provided inside the second cavity; a support column passes through the support plate and the two ends are connected to the inner wall of the second cavity; a third cavity is provided outside the second cavity, and a metal mesh is provided inside the third cavity; a first conductive strip is provided on the outer surface of the blade body, and the first conductive strip is connected to a lead-in terminal; a second conductive strip is connected to the tip of the blade body, and the second conductive strip is connected to a lightning receptor, and the bottom of the lightning receptor passes through the blade body to reach the third cavity and is connected to the metal mesh; a conductive rod is connected to the back surface of the blade body, and the first conductive strip and the second conductive strip are both connected to the conductive rod, and the conductive rod is connected to the grounding device of the wind turbine through a wire. The invention can effectively protect the blade from lightning strikes, and improve the firmness of the blade while reducing the weight of the blade, thereby increasing the service life of the blade.

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 invention relates to the technical field of power equipment protection, in particular to a transformer lightning protection system and a transformer, a lightning arrester is arranged at an outlet sleeve of the transformer or an electric reactor, and when lightning attack exists and lightning shock waves transmitted along a line exceed the protection level of the lightning arrester, the lightning arrester is arranged at the outlet sleeve of the transformer or the electric reactor. The lightning arrester arranged at the position of the outlet sleeve of the transformer or the electric reactor discharges firstly, lightning current is safely led into the ground, the amplitude of lightning voltage is limited below the lightning impulse level of protected equipment, and therefore the transformer or the electric reactor is effectively protected against lightning damage. As the lightning arrester is arranged at the outlet sleeve of the transformer or the electric reactor, the transformer can be protected to the maximum extent, lightning impacts are prevented from entering the transformer or the electric reactor, the propagation distance of lightning waves in a system can be shortened, attenuation and deformation of the lightning waves in the propagation process are reduced, and the protection effect of the lightning arrester is improved. The problem that an existing transformer lightning arrester cannot comprehensively protect a transformer is solved.

The invention discloses a photovoltaic metal roof lightning protection system, the photovoltaic metal roof comprises roof panels, photovoltaic panels and connecting pieces, the roof panels are fixedly arranged on a lower rigid structure, the photovoltaic panels which are spliced in sequence are fixedly arranged above the roof panels, a middle support is arranged between every two adjacent roof panels, and the connecting pieces are connected with the middle support. Fixing pressing blocks are arranged above the connecting pieces, and photovoltaic panels are laid on the two sides of the connecting pieces; a lightning-protection support is arranged between every two adjacent roof panels, a lightning-protection metal sheet with one end extending out of the roof panels is arranged on each lightning-protection support, and the lightning-protection supports are fixedly connected with a steel structure below the lightning-protection supports to form a conductive whole. The photovoltaic roof lightning protection device can be installed on an original roof structure layer, a waterproof layer does not need to be damaged, the lightning protection performance of a photovoltaic roof can be improved only through a small metal sheet, the influence of a roof panel surface coating on the conductivity is avoided, and consumed and used materials are fewer.

The utility model discloses a lightning overvoltage protection device of a fan pressure transmitter. The lightning overvoltage protection device comprises a fixing screw, a lightning protection module and a wiring module. The wiring module is installed on one side of the lightning protection module and used for being connected with a ground wire, the lightning protection module is fixedly installed above a fan pressure transmitter through fixing screws, the lightning protection module comprises a shell, a lightning protection plate and inserting pieces, the lightning protection plate and the inserting pieces are installed in the shell, the multiple inserting pieces are installed below the lightning protection plate, and the inserting pieces are connected with the shell. The insertion sheets pass through the housing and are in butt joint with each pin of the fan pressure transmitter. The lightning overvoltage protection device is flexibly and detachably installed and does not need to be installed in the fan in advance, so that the lightning overvoltage protection device is more reasonable in structural design, higher in stability, convenient to install on site and good in lightning protection effect.

The present invention relates to the technical field of LED driver power supply, and provides a circuit capable of changing the capacitor voltage division between the input and output sides of an isolated LED driver power supply and the ground, including a primary side circuit for accessing an AC input; wherein the circuit output end of the primary side circuit is connected to the input end of an isolation transformer, and a capacitor voltage division circuit is arranged between the ground wire of the primary side circuit; the capacitor voltage division circuit is used to set a voltage division ratio, and the voltage division ratio is used to change the output voltage of the primary side circuit; the isolation transformer is used to transform the output voltage of the primary side circuit; wherein the output end of the isolation transformer is connected to a secondary side circuit; and the secondary side circuit is used to output a DC current. Through the circuit of the present invention, a lightning surge protection circuit can select a discharge tube with a lower operating voltage to improve the lightning protection effect, reduce the residual voltage, and better protect the subsequent circuit and load. The afterglow problem can also be solved by increasing the capacity of the output to ground capacitor, and no afterglow can be achieved at a lower cost.

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 transformer with a lightning protection device, which relates to the technical field of transformers, and comprises a transformer body and a lightning rod, the top of the transformer body is provided with a connecting structure, the bottom of the lightning rod is fixedly provided with a base, and the lightning rod is connected with the transformer body. The base is installed at the top of the transformer body through a connecting structure, a grounding wire is fixedly connected to the side face of the base, and an insulating support is arranged on the surface of the grounding wire. The lightning rod and the grounding wire are arranged, the lightning rod is installed on the top of the transformer body, then the grounding wire is grounded, the lightning rod is combined with the original lightning arrester located above the transformer body, dual lightning protection of the transformer body is achieved, and therefore the lightning protection capacity of the transformer body is improved.

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 invention relates to the technical field of electric power facility lightning protection, in particular to a multi-cavity type electric power facility lightning arrester which comprises a fastening hoop located on an electric power facility, cross arms arranged on the two sides of the fastening hoop, porcelain insulators arranged above the two ends of the cross arms, wiring blocks arranged at the upper ends of the porcelain insulators, and cable bodies arranged on the wiring blocks in a penetrating mode. A second nut is arranged at the lower end of the porcelain insulator, a second electrode supporting frame is arranged in the middle of the second nut, a first electrode supporting frame is arranged on one side of the second electrode supporting frame, and a lightning arrester body is arranged at the lower end of the first electrode supporting frame; the lightning arrester body comprises a top plate arranged at the upper end, an insulator arranged at the lower end of the top plate and a bottom plate arranged at the lower end of the insulator, and an insulating rod is arranged at the lower end of the bottom plate and connected to one side of the supporting rod; the lightning arrester has the advantages that the lightning arrester is convenient to mount, dismount and mount, the insulator can be driven to be replaced, the service life of the lightning arrester is effectively prolonged, and the lightning protection effect is better.

The wind power plant current collection line lightning arrester comprises a connecting frame, a lightning rod is arranged at the top end of the connecting frame, two sets of lightning protection mechanisms are installed at the bottom of the connecting frame, the lightning protection mechanisms penetrate through the connecting frame, lightning detection assemblies are connected to the lightning protection mechanisms, each lightning protection mechanism comprises an insulating rod core, and a protruding installation head is arranged at the top end of each insulating rod core. According to the utility model, the two groups of lightning protection mechanisms and the lightning rod are combined through the connecting frame, good lightning protection and lightning protection effects are achieved, the voltage limiting elements and the insulators in the lightning protection mechanisms are connected at intervals through the voltage equalizing rings, and the voltage limiting elements and the insulators are connected at intervals through the voltage equalizing rings. The functions of the insulator and the lightning arrester are integrated, the lightning protection effect is improved, the connecting seat arranged at the bottom of the lightning protection mechanism can be quickly connected with the connecting rod head in the lightning protection mechanism, the wire clamp arranged on the connecting seat can be quickly connected with a current collection circuit, and the lightning protection effect is improved.

The invention discloses a lightning protection type junction box structure, which belongs to the technical field of photovoltaic junction boxes; the junction box structure comprises a box body, in which a lightning protection component is installed; the box body is connected to a lightning rod; a mounting tube is connected to the side of the box body, and teeth are arranged in the mounting tube; a screw is rotatably connected to the box body, and the screw is connected to a connecting rod; the connecting rod is hinged to the lightning rod, and when the connecting rod moves to the inside of the mounting tube, the lightning rod is driven from a horizontal state to a vertical state through gear driving; a lightning receptor is connected to the top surface of the lightning rod, and the lightning receptor is detachably connected to the lightning rod through a guide rod, a spring, etc., a roller is rotatably connected to the bottom of the guide rod, and special-shaped grooves are provided on both sides of the inner wall of the lightning rod, and the roller is placed in the special-shaped groove; the roller is clamped by the special-shaped groove; the invention solves the problem that the telescopic lightning rod structure of the lightning protection type junction box is easy to get water in, which affects the normal operation of the internal circuit structure.

The utility model provides a replaceable lightning protection device for a communication base station, which belongs to the technical field of lightning rods, and comprises a rod body, a lifting structure inserted in the bottom end of the rod body, a bottom plate in threaded connection with the bottom end of the screw rod, and an extension structure arranged in the rod body and in threaded connection with the bottom end of the screw rod. First side rods are rotationally connected to the outer sides of the stretching structures, the needle body is installed at the top ends of the stretching structures, and second side rods are fixed to the outer side of the needle body. According to the device, the rotating ring is rotated to drive the lead screw to rotate, so that when the movable seat drives the first side rod to descend through the sleeve shell, the transmission rod pulls the first side rod to approach the rod body, and therefore, the spine folding function of the device is realized, the first side rod is conveniently folded in the carrying process, and the space occupied by the device is reduced; and meanwhile, the first side rods are prevented from being collided and damaged, and the functionality of the device is enhanced.

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 provides a building lightning protection device, the device comprises a base table, a lightning protection mechanism, a detection mechanism and a prompt mechanism, the lightning protection mechanism comprises a lightning protection rod and a grounding device, the lightning protection rod is arranged on the base table and is connected with one end of the grounding device, the other end of the grounding device is grounded, and the detection mechanism is connected with the prompt mechanism. The detection mechanism comprises a box body, a main control single-chip microcomputer and a lightning stroke detector, the box body is arranged on the base table, the lightning stroke detector is arranged in the box body and electrically connected with the main control single-chip microcomputer, the detection end of the lightning stroke detector is connected with the bottom of the lightning protection rod, and the prompt mechanism comprises a communication module and a remote control terminal. The master control single-chip microcomputer is electrically connected with the remote control terminal through the communication module. According to the device, the number of lightning strokes is counted, so that a worker can know the safety and stability of a building and equipment in thunder and lightning weather, corresponding lightning protection measures are taken, and the lightning protection performance of the building and the equipment is improved.

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 lightning arrester winding equipment comprises a continuous fiber untwisted yarn, a temperature control gum dipping device, a pre-crosslinking device and a winding forming device, the temperature control gum dipping device comprises a temperature control gum dipping groove and a pre-dipping roller, a groove front positioning gum scraping ring is installed in front of the temperature control gum dipping groove, a groove rear positioning gum scraping ring is installed behind the temperature control gum dipping groove, and the pre-crosslinking device comprises a pre-crosslinking device and a winding forming device. The pre-crosslinking device comprises a high-temperature channel, and a heating front-end positioning glue scraping ring is mounted at the front end of the high-temperature channel. According to the lightning arrester winding equipment, through the arrangement of the pre-crosslinking device, the lightning arrester winding equipment has the effects that a crosslinking reaction is activated before winding, so that the viscosity of resin is improved, and the situation that the resin flows in the gravity direction during winding, so that the resin is uniformly distributed is avoided; the lightning arrester winding equipment has the effects that resin wrapping fibers is reshaped before winding, so that the resin is round and full, the fibers are stacked in order, and rhombic grid holes with regular depth and straightness are formed, so that the lightning protection effect is improved.

The invention discloses a soil pressure monitoring method and device during impact current diffusion and a medium, and the method comprises the steps: obtaining a vertical grounding electrode and a horizontal grounding electrode of a target detection tower pole, constructing a space rectangular coordinate system based on the vertical grounding electrode and the horizontal grounding electrode of the target detection tower pole, and carrying out the pressure monitoring point selection; and acquiring multi-point pressure monitoring data in multiple directions, and calculating to obtain the pressure of the soil on the target detection tower pole. Pressure changes in multiple directions close to soil are obtained by measuring pressure of soil at different points in a space, and monitoring precision is improved by measuring stress in multiple directions at the same time. According to the method, the soil pressure borne by the target detection tower pole in different directions can be evaluated more accurately, so that the risk of soil pressure change during direct measurement of lightning ground diffusion in an actual scene is reduced, potential faults can be found in advance, and equipment damage caused by lightning stroke or grounding system abnormity is avoided.

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.