WO2024019526A1 - Poteau intelligent de type à protection contre la foudre et procédé de surveillance de mise à la terre associé - Google Patents

Poteau intelligent de type à protection contre la foudre et procédé de surveillance de mise à la terre associé Download PDF

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Publication number
WO2024019526A1
WO2024019526A1 PCT/KR2023/010411 KR2023010411W WO2024019526A1 WO 2024019526 A1 WO2024019526 A1 WO 2024019526A1 KR 2023010411 W KR2023010411 W KR 2023010411W WO 2024019526 A1 WO2024019526 A1 WO 2024019526A1
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WIPO (PCT)
Prior art keywords
ground
lightning
smart pole
grounding
pole
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Application number
PCT/KR2023/010411
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English (en)
Korean (ko)
Inventor
정용기
이강수
정유주
김명석
Original Assignee
(주)옴니엘피에스
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Priority claimed from KR1020230090918A external-priority patent/KR102711830B1/ko
Application filed by (주)옴니엘피에스 filed Critical (주)옴니엘피에스
Publication of WO2024019526A1 publication Critical patent/WO2024019526A1/fr

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • E04H12/22—Sockets or holders for poles or posts
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • E04H12/24—Cross arms
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/20—Measuring earth resistance; Measuring contact resistance, e.g. of earth connections, e.g. plates
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G13/00—Installations of lightning conductors; Fastening thereof to supporting structure

Definitions

  • Embodiments of the present invention relate to lightning protection smart poles and their ground monitoring technology.
  • ICT information and communication technology
  • IoT Internet of Things
  • CPS Cyber Physical Systems
  • big data solutions has been established to efficiently operate and manage the city's infrastructure.
  • smart villages a sub-concept of smart cities that collect and utilize public data to solve various urban problems such as environment, transportation, and energy, and provide citizens with a safe and enriched life, are spreading.
  • One of the basic facilities of such a smart village is a smart pole, which combines the Internet of Things (IoT) and information and communication technology (ICT) with pillar-shaped road facilities such as street lights, and is used for crime prevention in addition to its original function.
  • CCTV e.g. PTZ (Pan, Tilt, Zoom) cameras, infrared speed dome cameras, dome cameras, box cameras, bullet cameras, housing cameras, panoramic cameras, infrared cameras, thermal imaging
  • CCTV e.g. PTZ (Pan, Tilt, Zoom) cameras, infrared speed dome cameras, dome cameras, box cameras, bullet cameras, housing cameras, panoramic cameras, infrared cameras, thermal imaging
  • lightning refers to a discharge phenomenon that occurs between clouds and the ground. Recently, the frequency of lightning strikes is increasing due to the effects of global warming, and the intensity of the lightning current accompanying lightning is also becoming stronger. In addition, with the development of high-speed comprehensive information and communication and the rapid development of electrical, electronic, and equipment technology, various communication, power, and control systems have become very vulnerable to noise signals and surges.
  • grounding equipment is buried simultaneously during the construction of a structure and is used without replacement or reinforcement for decades or more. Accordingly, the presence or absence of abnormal situations such as loss or disconnection, increase in grounding resistance due to corrosion of the grounding equipment, or occurrence is monitored in real time. There was a problem that could not be confirmed.
  • Embodiments of the present invention are intended to provide a lightning protection type smart pole for lightning protection.
  • embodiments of the present invention are intended to provide a ground monitoring method for monitoring ground resistance to the ground portion of a smart pole.
  • the lightning protection smart pole including a pole, a dipole lightning arrester installed on the pole to protect against lightning, and a grounding portion, the grounding electrode of the grounding portion and one or more buried in the ground.
  • a lightning protection type smart pole is provided, further comprising a measurement unit that measures the ground resistance of the ground unit using a test electrode to generate measurement information, and a communication unit that transmits the generated measurement information to the outside.
  • the grounding unit includes a foundation anchor consisting of a plurality of anchor bolts spaced apart from each other and a plurality of horizontal connection frames connecting the plurality of anchor bolts into a single body, a ground plate coupled to the lower end of the foundation anchor, the foundation anchor, and the ground plate. It may further include a conductive concrete body that is poured to be buried, and a ground connection member that is built into the conductive concrete body and induces electricity to pass through the dipole lightning protection device.
  • the conductive concrete body may be composed of conductive concrete raw materials mixed with cement, sand, water, admixture, quick setting material, carbon fiber, and pigment.
  • the reinforcing conductive concrete ground plate installed along the surface of the conductive concrete body and connected to the ground plate, wherein the reinforcing conductive concrete ground plate is made of super-hard mortar, general Remital, pigment, carbon fiber, and cement. It is composed of mixed conductive concrete raw materials, and a stainless steel plate with a perforated network may be disposed on one side of the conductive concrete ground plate for reinforcement.
  • the measuring unit may be formed of the ground electrode and the one or more test electrodes in a row at a preset interval, and the one or more test electrodes may be buried at a preset depth.
  • the lightning protection smart pole further includes a power supply unit that applies power to the measuring unit to measure the ground resistance, wherein the measuring unit receives power from the power supply unit, sends a measuring current to the ground electrode, and
  • the ground resistance can be calculated by measuring voltage and current through one or more test electrodes.
  • the lightning protection smart pole may further include a control unit that determines whether an abnormality has occurred in the grounding unit based on the generated measurement information.
  • control unit may transmit a signal requesting monitoring of the ground resistance of the ground unit to the measurement unit.
  • the control unit may determine whether to reinforce grounding and information on the grounding unit module according to the grounding reinforcement decision, based on the change information of the grounding resistance value over time.
  • the control unit may output ground state information indicating the ground state based on a result of determining whether an abnormality has occurred in the ground unit.
  • the dipole lightning protection device includes a rod member installed at the upper end of the pole and charged with earth charges, at least two insulators installed along the longitudinal direction of the rod member, and installed between the neighboring insulators to electrically connect the load member.
  • a charging plate that is insulated and charged with a structure opposite to the ground charge
  • a charging tube installed between the charging plate and the insulator, electrically connected to the charging plate, and charged with a charge having a property opposite to the ground charge
  • It may further include a rod cap coupled to the top of the rod member to induce the lightning strike.
  • the lightning protection smart pole includes at least one CCTV, and the at least one CCTV includes a PTZ (Pan, Tilt, Zoom) camera, an infrared speed dome camera, a dome camera, a box camera, a bullet camera, and a housing. It may be at least one of a (Jousing) camera, a panoramic camera, an infrared camera, a thermal imaging camera, a positioning camera, and an ultraviolet camera.
  • a PTZ Pan, Tilt, Zoom
  • a method for monitoring the ground of a lightning-protected smart pole performed on a computing device having one or more processors and a memory storing one or more programs executed by the one or more processors.
  • the management server receiving measurement information from the smart pole, in the management server, determining whether an abnormality has occurred in the grounding part of the smart pole based on the received measurement information, and in the management server, the received measurement
  • a ground monitoring method for a lightning-protected smart pole is provided, including providing information and judgment results to the user through a display unit.
  • the step of determining whether an abnormality has occurred includes comparing the grounding resistance value for the grounding portion included in the received measurement information with a preset reference value to check whether the value is abnormal or higher than the reference value, and the grounding resistance for the grounding portion If the value is confirmed to be an abnormal value, a step of determining that an abnormality has occurred in the ground unit may be further included.
  • the grounding resistance can be remotely monitored in real time and the manager can determine the current state of the grounding unit.
  • high sensitivity/high functionality CCTV PTZ (Pan, Tilt, Zoom) camera, infrared speed dome camera, dome type camera, box type camera, bullet camera, housing camera, It is possible to minimize the storage of recording data and operational interruption of panoramic cameras, infrared cameras, thermal cameras, positioning cameras, ultraviolet cameras, etc.
  • Figure 1 is a configuration diagram illustrating a ground monitoring system of a lightning protection smart pole according to an embodiment of the present invention.
  • Figure 2 is a cross-sectional view showing a lightning protection type smart pole according to an embodiment of the present invention.
  • Figure 3 is a cross-sectional view showing a dipole lightning protection device of a lightning protection type smart pole according to an embodiment of the present invention.
  • Figure 4 is a cross-sectional view showing the ground portion of a lightning protection type smart pole according to an embodiment of the present invention.
  • Figures 5 and 6 are diagrams for explaining the grounding portion of a lightning protection type smart pole according to an embodiment of the present invention
  • Figures 7 and 8 are diagrams for explaining a conductive concrete ground plate for reinforcing a lightning protection smart pole according to an embodiment of the present invention.
  • FIG. 9 is a block diagram showing a management server according to an embodiment of the present invention.
  • Figure 10 is a flowchart illustrating a ground monitoring method of a lightning-protected smart pole according to an embodiment of the present invention.
  • FIG. 11 is a block diagram illustrating and illustrating a computing environment including a computing device suitable for use in example embodiments.
  • embodiments of the present invention may include a program for performing the methods described in this specification on a computer, and a computer-readable recording medium containing the program.
  • the computer-readable recording medium may include program instructions, local data files, local data structures, etc., singly or in combination.
  • the media may be those specifically designed and constructed for the present invention, or may be those commonly available in the computer software field.
  • Examples of computer-readable recording media include magnetic media such as hard disks, floppy disks, and magnetic tapes, optical recording media such as CD-ROMs, DVDs, and media specifically configured to store and perform program instructions such as ROM, RAM, flash memory, etc. Includes hardware devices.
  • Examples of the program may include not only machine language code such as that generated by a compiler, but also high-level language code that can be executed by a computer using an interpreter or the like.
  • Figure 1 is a configuration diagram for explaining a ground monitoring system of a lightning protection type smart pole according to an embodiment of the present invention
  • Figure 2 is a cross-sectional view showing a lightning protection type smart pole according to an embodiment of the present invention.
  • the ground monitoring system 100 of a lightning protection type smart pole may include a smart pole 200 and a management server 300.
  • the communications network may be Wi-Fi, the Internet, one or more local area networks, wire area networks, cellular networks, mobile networks, other types of networks, or such networks. It may include a combination of these.
  • ICT information and communication technology
  • IoT Internet of Things
  • CPS Cyber Physical Systems
  • big data solutions a sub-concept of smart cities that collect and utilize public data to solve various urban problems such as environment, transportation, and energy, and provide citizens with a safe and enriched life
  • IoT Internet of Things
  • CPS Cyber Physical Systems
  • big data solutions a sub-concept of smart cities that collect and utilize public data to solve various urban problems such as environment, transportation, and energy, and provide citizens with a safe and enriched life.
  • One of the basic facilities of such a smart village is a smart pole, which combines the Internet of Things (IoT) and information and communication technology (ICT) with pillar-shaped road facilities such as street lights, and is used for crime prevention in addition to its original function.
  • IoT Internet of Things
  • ICT information and communication technology
  • Smart pole 200 can use these known technologies.
  • the detailed configuration of the smart pole 200 is widely known in the relevant technology field, and various functions can be configured depending on the purpose of the smart pole 200, so a detailed description thereof will be omitted.
  • a smart pole 200 may be a pole equipped with various cutting-edge functions that is erected at a certain height on the ground.
  • a dipole lightning protection device 210 may be installed on the smart pole 200.
  • the smart pole 200 may include a component that monitors the grounding condition between the smart pole 200 and the ground.
  • the smart pole 200 may include a dipole lightning protection device 210, a pole 220, a grounding unit 230, a communication unit 240, and a measuring unit 250.
  • the smart pole is described as including only the dipole lightning protection device 210, the pole 220, the grounding unit 230, the communication unit 240, and the measuring unit 250, but this is a description of the present embodiment. This is merely an illustrative explanation of the idea, and those of ordinary skill in the technical field to which this embodiment belongs can make various modifications and modifications to the components included in the smart pole 200 without departing from the essential characteristics of this embodiment. It may be possible to modify and apply it.
  • the smart pole 200 is a CCTV 250 (e.g., PTZ (Pan, Tilt, Zoom) camera, infrared speed dome camera, dome camera, box camera, bullet camera, housing (Jousing) ) cameras, panoramic cameras, infrared cameras, thermal imaging cameras, positioning cameras, ultraviolet cameras, etc. may further include high-sensitivity/high-performance CCTV).
  • CCTV 250 e.g., PTZ (Pan, Tilt, Zoom) camera, infrared speed dome camera, dome camera, box camera, bullet camera, housing (Jousing)
  • panoramic cameras infrared cameras
  • thermal imaging cameras positioning cameras
  • ultraviolet cameras etc.
  • CCTV 250 e.g., PTZ (Pan, Tilt, Zoom) camera, infrared speed dome camera, dome camera, box camera, bullet camera, housing (Jousing)
  • panoramic cameras infrared cameras
  • thermal imaging cameras positioning cameras
  • ultraviolet cameras etc.
  • ultraviolet cameras may further include high-sensitivity/high-performance CCTV.
  • Figure 3 is a cross-sectional view showing a dipole lightning protection device of a lightning protection type smart pole according to an embodiment of the present invention.
  • the dipole lightning protection device 210 includes a rod member 211 charged with ground charges, and at least two insulators 212a and 212b installed along the longitudinal direction of the rod member 211. and a charging plate 213 installed between the neighboring insulators 212a and 212b, electrically insulated from the second rod member 211, and charged with a polarity opposite to the ground charge, and the charging plate 213. It is installed between the and insulator 212b, is electrically connected to the charging plate 213, and is coupled to the upper end of the rod member 211 and the charging tube 214, which is charged with a charge having a polarity opposite to the ground charge. It may include a rod cap 215 that induces lightning.
  • the load member 211 is coupled to the top of the smart pole 200 and stands vertically, and can charge the ground.
  • the lower end of the rod member 211 may further include a fixing plate (not shown) that can stably fix the rod member 211.
  • the fixing plate is a flat member with a certain thickness, and a coupling member (not shown) that can be firmly fixed to the smart pole 200 may be formed on the surface.
  • At least two insulators 212a and 212b are installed in a spaced apart state along the longitudinal direction of the rod member 211, and are insulators made of ceramic or synthetic resin to insulate the rod member 211 and the charging tube 214.
  • the insulators 212a and 212b may include a first insulator 212a installed above and a second insulator 212b installed below the electrification pipe 214, and the second insulator 212b
  • An insulating protrusion 214-1 that is inserted into the charging tube 214 may be formed at the top of the.
  • the insulating protrusion 214-1 guides the inflowing rainwater so that it can be easily discharged to the outside of the charging rod 211 and at the same time It may have a certain length to ensure sufficient insulation distance between (214) and the rod member (211).
  • the insulating protrusion 214-1 may have a structure in which a plurality of conical members that are narrow at the top and wide at the bottom are continuously connected on the same line.
  • the charging plate 213 is installed between the insulators 212a and 212b to maintain electrical insulation from the load member 211 and is electrically connected to the charging tube 214, and has a polarity opposite to the ground charge. It can be. Meanwhile, the charging plate 213 may repeatedly form a wrinkle shape at its circumferential edge. These wrinkles can induce evenly distributed discharge in the circumferential direction of the charging plate 213. This configuration of the charging plate 213 can facilitate discharge between the thundercloud and the ground by concentrating the electric field when lightning strikes.
  • the charging tube 214 is installed between the charging plate 213 and the insulator (second insulator) 212b, and is electrically connected to the charging plate 213, so that it can be charged with a polarity opposite to the ground charge.
  • the electrification tube 214 is made of a tube shape and can form a hollow center so that the rod member 211 can be coupled thereto.
  • the rod cap 215 is installed on the top of the rod member 211 and can induce lightning.
  • the rod cap 215 may be shaped to have a relatively large outer diameter compared to the insulator 212a to greatly improve the lightning inflow area and thereby increase discharge efficiency. That is, the load gap 215 may be formed to be larger than the outer diameter of the first insulator 212a. In this way, if the load cap 215 is formed to be larger than the first insulator 212a, the area for introducing the lightning current increases, thereby allowing the lightning to be discharged quickly.
  • the dipole lightning protection device 210 when a thundercloud approaches, the space charge distributed in the atmosphere by the thundercloud is charged to the charging plate 213 and the charging tube 214, and the charge supplied from the ground has a polarity opposite to that of the space charge. In other words, the ground charge is charged to the load member 211. In this way, as the space charge and the ground charge gradually charge the charging tube 214 and the load member 211, respectively, as the thundercloud approaches, the charging voltage, that is, the charging tube 214 and the load member ( 211) The charging voltage between the lightning increases and a pre-discharge (corona discharge) occurs before lightning strikes.
  • the dipole lightning protection device 210 can measure vibration generated by corona discharge, generate a vibration signal, and convert the vibration signal into a voltage signal.
  • the dipole lightning protection device 210 may acquire a voltage signal as analog data, convert the analog data into digital data, and output the digital data as voltage data.
  • the dipole lightning protection device 210 may transmit voltage data to the communication unit 240, and the communication unit 240 may transmit the voltage data to the management server 300.
  • the smart pole 200 may determine the risk of lightning and transmit the determination result to the management server 300.
  • the smart pole 200 may further include a control unit (not shown).
  • the control unit (not shown), like the analysis module 320 to be described later, can determine the risk of lightning by analyzing voltage data. Additionally, the control unit (not shown) may transmit the analysis results to the communication unit 240, and the communication unit 240 may transmit the analysis results to the management server 300.
  • the lower end or lower side of the pole 220 is fixed by contacting or supporting the floor, and may be arranged in an upright position.
  • the pole 220 may have a dipole lightning protection device 210 installed at the top for lightning protection, and a ground portion 230 may be coupled to the bottom.
  • the pole 220 may further include an arm (not shown) coupled to the upper side and disposed laterally, and may include components that perform various functions and operations, for example, for power supply and network connection.
  • Components may be provided, such as components for smart pole management and environment management, components for alarm or information display, and components for crime prevention management.
  • Figure 4 is a cross-sectional view showing the ground portion of a lightning-protected smart pole according to an embodiment of the present invention
  • Figures 5 and 6 are diagrams for explaining the ground portion of a lightning-protected smart pole according to an embodiment of the present invention. .
  • the ground portion 230 includes a foundation anchor 231, a ground plate 232, a conductive concrete body 233, a conductive concrete ground plate 234 for reinforcement, and a ground connection member ( 235) may be included.
  • the foundation anchor 231 may be composed of a plurality of anchor bolts 231a spaced apart from each other and a plurality of horizontal connection frames 231b connecting the plurality of anchor bolts 231a into a single body. Additionally, the foundation anchor 231 may have a ground plate 232 coupled to the bottom.
  • the ground plate 232 is a square plate and can be coupled to the lower end of the foundation anchor 231.
  • the ground plate 232 may be made of stainless steel to form a ground electrode.
  • the conductive concrete body 233 is a square concrete structure and can be poured using conductive concrete raw materials.
  • the conductive concrete raw materials may include cement, sand, water, admixture, quick setting material, carbon fiber, and pigment.
  • conductive concrete raw materials can be manufactured by combining cement, sand, water, admixture, quick setting material, carbon fiber, and pigment within a preset range.
  • the conductive concrete raw materials are cement: 30 to 70 parts, sand: 50 to 150 parts, admixture: 5 to 15 parts, quick setting material: 3 to 10 parts, carbon fiber: 1 to 6 parts, pigment: 1 to 6 parts.
  • water can be manufactured by mixing according to a preset combination within the range of 20 to 60 parts.
  • the conductive concrete body 233 may be in direct contact with the soil and may serve to transmit current to the soil through the entire surface area.
  • the conductive concrete body 233 is constructed using conductive concrete raw materials mixed with carbon fibers, so that it can perform the role of flowing electric current to the soil through the carbon fibers included in the conductive concrete body.
  • the conductive concrete body 233 may have a plurality of anchor bolts 231a protruding from the top, and the pole 220 may be fixed to the top of the ground portion 230 by the anchor bolts 231a.
  • the reinforcing conductive concrete ground plate 234 is a rectangular plate and may be installed along the surface of the conductive concrete body 233 and connected to the ground plate 232. In other words, the reinforcing conductive concrete ground plate 234 is additionally installed along the surface of the conductive concrete body 233 (for example, four additional reinforcements are installed along each side), thereby improving grounding performance without securing additional space. It can be raised.
  • the conductive concrete ground plate 234 for reinforcement may be manufactured by mixing super-hard mortar, general Remital, pigment, carbon fiber, and cement.
  • the total weight of the reinforcing conductive concrete ground plate (234) is 14.95 kg, it can be mixed with 5.5 kg of super-hard mortar, 5.5 kg of general Remital, 0.2 kg of pigment, 0.25 kg of carbon fiber, and 3.5 kg of cement.
  • the raw material mixing ratio of the reinforcing conductive concrete ground plate 234 is an example and is not limited to the above example.
  • Figures 7 and 8 are diagrams for explaining a conductive concrete ground plate for reinforcing a lightning protection smart pole according to an embodiment of the present invention.
  • FIG. 7 is a diagram showing a cross section of the conductive concrete ground plate 234 for reinforcement.
  • the conductive concrete ground plate 234 for reinforcement includes carbon fiber, and conductivity can be increased by adding copper wire when mixing.
  • FIG. 8 by disposing a stainless steel plate with a perforated network on one side of the reinforcing conductive concrete ground plate 234, the basic grounding performance of the stainless steel plate can be maintained.
  • the reinforcing conductive concrete ground plate 234 is a ground module 100 (mixed ground module of graphite, pearlite, and vermiculite, patent registration number 10-1524437) created by the present inventor, as shown in FIG. 7(b). ) can also be used.
  • the ground connection member 235 is built into the conductive concrete body 233 and includes a ground lead wire 235a on one side of which extends to the outside of the conductive concrete body 233, a ground connection wire 235c to which ground current is supplied, and It may include a coupling member 235b that couples the ground lead wire 235a and the ground connection wire 235c.
  • the ground connection member 235 may be disposed on the side of the conductive concrete body 233.
  • the ground lead wire 235a may be inserted into the insertion hole of the conductive concrete body 233 and connected to the dipole lightning protection device 210.
  • the coupling member 235b may be formed in an “L” shape.
  • the coupling member 235b Due to this configuration of the coupling member 235b, there is no need to dig the ground wider than the conductive concrete body 233 when burying the grounding portion 230, thereby reducing construction costs. Additionally, by disposing the ground connection member 235 on the side of the conductive concrete body 233, the conductive concrete body 233 can be constructed at once without the need to separately bury a ground rod. The ground connection member 235 may induce electrical conduction between the ground portion 230 and the dipole lightning protection device 210.
  • the communication unit 240 may transmit measurement information generated by the measurement unit 250 to the management server 300. Additionally, the communication unit 240 may transmit sensed data, acquired signals, and information related to components to the management server 300.
  • the smart pole 200 may determine whether an abnormality has occurred in the grounding unit 230 and transmit the determination result to the management server 300.
  • the smart pole 200 may further include a control unit (not shown).
  • the control unit may analyze the measurement information generated by the measurement unit 250 to determine whether an abnormality has occurred in the ground unit 230. Additionally, the control unit may transmit the determination result to the communication unit 240, and the communication unit 240 may transmit the analysis result to the management server 300.
  • the measurement unit 250 may generate measurement information by calculating the ground resistance for the ground unit 230. Specifically, the measuring unit 250 may measure the ground resistance of the grounding unit 230 using a ground electrode of the grounding unit 230 and a test electrode buried in the ground.
  • ground resistance refers to the sum of the self-resistance of the ground wire and the ground electrode, the contact resistance between the surface of the ground electrode and the soil, and the ground resistance around the electrode.
  • the main element of ground resistance is the resistance that appears in the ground surrounding the electrode (ground resistance). am.
  • the ground electrode of the ground portion 230 and the two test electrodes buried in the ground may be lined up at a constant interval, and the two test electrodes may be buried at a certain depth.
  • the measuring unit 250 may apply power for measurement to the ground electrode and the two test electrodes to measure ground resistance by a power supply unit (not shown).
  • the measuring unit 250 may receive power from the power supply unit, flow a measuring current to the ground electrode, and measure voltage and current through two test electrodes to calculate ground resistance.
  • the magnitude of the potential rise during lightning current is determined.
  • the potential rise is lower, the size of the potential difference affecting the smart pole is reduced, so damage to the smart pole can be reduced.
  • ground resistance can be used as an indicator of whether the grounding state between the lightning protection smart pole and the ground is normal or abnormal.
  • control unit can control when the measuring unit 250 monitors the ground resistance.
  • the control unit may periodically transmit a signal requesting monitoring of ground resistance to the measurement unit 250.
  • the control unit may transmit a signal requesting monitoring of ground resistance to the measurement unit 250 as an event due to the external environment is detected by the smart pole 200. For example, when an event in which lightning enters the dipole lightning protection device 210 and discharges to the ground is detected, the control unit (not shown) may transmit a signal requesting monitoring of ground resistance to the measurement unit 250.
  • control unit may determine whether an abnormality has occurred in the ground unit 230 based on a result of comparing the measured ground resistance value and a preset reference value. For example, if the ground resistance value exceeds the reference value, it may be determined that the ground state is abnormal.
  • control unit may output ground state information indicating the ground state based on the result of determining whether an abnormality has occurred in the ground unit 230.
  • the smart pole 200 may be equipped with an LED and output the grounding status through the LED. Specifically, if the ground state is abnormal, a red LED may be turned on. Additionally, if the ground state is normal, the green LED may be turned on. For another example, if the ground resistance value does not exceed the reference value, but as time passes and the ground resistance value approaches the reference value, a yellow LED may be output.
  • the controller may determine whether to reinforce the ground based on the result of comparing the measured ground resistance value with a preset reference value. If the ground resistance value exceeds the standard value, the ground resistance value does not exceed the standard value, but as time passes, if the ground resistance value approaches the standard value, the control unit (not shown) determines whether ground reinforcement is necessary. It can be decided that Additionally, the control unit (not shown) may determine information on a grounding unit module to be additionally installed based on the difference between the grounding resistance value and the reference value. The information on the grounding unit module may be at least one of the type of the grounding unit module and the number to be installed. The control unit (not shown) may transmit information about the grounding unit module according to whether or not to reinforce the ground and the decision to reinforce the ground to the management server 300 through the communication unit 240.
  • FIG. 9 is a block diagram showing a management server according to an embodiment of the present invention.
  • the management server 300 may include a communication module 310, an analysis module 320, and an information provision module 330.
  • the communication module 310 may receive voltage data from the smart pole 200.
  • the voltage data may be output from the dipole lightning protection device 210, as described in FIG. 3.
  • the analysis module 320 can determine the lightning risk by analyzing the received voltage data. Specifically, the analysis module 320 may determine the risk of lightning according to the generation cycle and voltage magnitude value of the received voltage data. For example, when the analysis module 320 receives voltage data from the communication unit 240 of the smart pole 200, it may determine the lightning warning level. In addition, as the caution phase continues (voltage data is continuously received), the analysis module 320 determines whether the occurrence period of voltage data becomes less than a preset boundary reference value or the voltage magnitude increases above the preset boundary reference value. In this case, it can be judged to be at the lightning warning level.
  • the analysis module 320 may determine the lightning risk level when the alert stage continues and the occurrence cycle of voltage data decreases below the preset risk standard value or the voltage level increases above the preset risk standard value.
  • the preset boundary standard value may have a voltage magnitude of 5 mV and a cycle interval of 20 ⁇ s
  • the preset risk standard value may have a voltage magnitude of 30 mV and a cycle interval of 5 ⁇ s.
  • the analysis module 320 may determine it to be in a normal state.
  • the information provision module 330 may provide the results analyzed by the analysis module 320 to the user through a display unit (not shown).
  • the information providing module 330 may receive voltage data from a plurality of smart poles, respectively, according to the user's selection (first smart pole, second smart pole, ..., Nth smart pole). Analysis results of the received voltage data can be provided.
  • the analysis results can display lightning detection time and electric field value according to voltage data, and can display the lightning risk level (normal, caution, warning, dangerous) of each smart pole. Accordingly, using voltage data received from multiple smart poles, lightning detection and lightning occurrence can be monitored, and the risk of lightning according to the size of the thundercloud can be determined to analyze the risk area and notify the area.
  • the communication module 310 may receive measurement information from the smart pole 200.
  • the measurement information may be information that measures ground resistance.
  • the analysis module 320 may determine whether an abnormality has occurred in the ground unit 230 based on the received measurement information. Specifically, the analysis module 320 compares the ground resistance value included in the measurement information with a preset reference value to determine whether it is an abnormal value greater than the reference value. If it is confirmed to be an abnormal value, it is determined that an abnormality has occurred in the ground unit 230. You can judge.
  • the analysis module 320 may determine whether to reinforce the ground based on the result of analyzing the ground resistance value. For example, if the ground resistance value does not exceed the reference value, but as time passes and the ground resistance value approaches the reference value, the analysis module 320 may determine that ground reinforcement is necessary. Additionally, when the ground resistance value exceeds the reference value, the analysis module 320 may determine that ground reinforcement is necessary. The analysis module 320 may determine the number of grounding unit modules to be additionally installed based on the difference between the grounding resistance value and the reference value.
  • the information providing module 330 may provide the measurement information received from the communication module 310 and the decision result from the analysis module 320 to the user through a display unit (not shown). For example, the information providing module 330 may display data by date and time to determine the status of the grounding unit 230 in real time. The information providing module 330 may display abnormality occurrence history and resistance change trends through a time vs. resistance graph. Additionally, the information providing module 330 may generate an alarm signal according to the determination result. The information provision module 330 may display the ground resistance value that exceeds the preset reference value to be highlighted according to the determination result. Accordingly, the grounding unit 230 can be remotely monitored in real time and the manager can determine its current status.
  • the management server 300 receives operation data from a surge protective device (SPD) (not shown) through the communication module 310, and analyzes the received operation data to determine whether the surge protector is broken. You can. Additionally, the management server 300 may provide the decision result to the user.
  • SPD surge protective device
  • Figure 10 is a flowchart for explaining a method of grounding monitoring of a lightning-protected smart pole according to an embodiment of the present invention.
  • the method shown in FIG. 8 can be performed, for example, by the ground monitoring system of the lightning protection smart pole described above.
  • the method is divided into a plurality of steps, but at least some of the steps are performed in a different order, combined with other steps, omitted, divided into detailed steps, or not shown. One or more steps may be added and performed.
  • the management server 300 receives measurement information from the smart pole 200 (S1010).
  • the management server 300 determines whether an abnormality has occurred in the ground unit 230 based on the received measurement information (S1020). Specifically, the management server 300 compares the ground resistance value included in the measurement information with a preset reference value to check whether it is an abnormal value greater than the reference value, and if it is confirmed to be an abnormal value, it is determined that an abnormality has occurred in the grounding unit 230. You can judge.
  • the management server 300 provides the measurement information received from the communication module 310 and the decision result from the analysis module 320 to the user through the display unit (S1030). For example, the management server 300 may display data by date and time to determine the status of the grounding unit 230 in real time. The management server 300 may display abnormality occurrence history and resistance change trends through a resistance versus time graph. Additionally, the management server 300 may generate an alarm signal according to the determination result. The management server 300 may display the ground resistance value that exceeds the preset reference value to be highlighted according to the determination result.
  • FIG. 11 is a block diagram illustrating and illustrating a computing environment including a computing device suitable for use in example embodiments.
  • each component may have different functions and capabilities in addition to those described below, and may include additional components in addition to those described below.
  • the illustrated computing environment 10 includes a computing device 12 .
  • computing device 12 may be management server 300.
  • Computing device 12 includes at least one processor 14, a computer-readable storage medium 16, and a communication bus 18.
  • Processor 14 may cause computing device 12 to operate in accordance with the example embodiments noted above.
  • processor 14 may execute one or more programs stored on computer-readable storage medium 16.
  • the one or more programs may include one or more computer-executable instructions, which, when executed by the processor 14, cause computing device 12 to perform operations according to example embodiments. It can be.
  • Computer-readable storage medium 16 is configured to store computer-executable instructions or program code, program data, and/or other suitable form of information.
  • the program 20 stored in the computer-readable storage medium 16 includes a set of instructions executable by the processor 14.
  • computer-readable storage medium 16 includes memory (volatile memory, such as random access memory, non-volatile memory, or an appropriate combination thereof), one or more magnetic disk storage devices, optical disk storage devices, flash It may be memory devices, another form of storage medium that can be accessed by computing device 12 and store desired information, or a suitable combination thereof.
  • Communication bus 18 interconnects various other components of computing device 12, including processor 14 and computer-readable storage medium 16.
  • Computing device 12 may also include one or more input/output interfaces 22 and one or more network communication interfaces 26 that provide an interface for one or more input/output devices 24.
  • the input/output interface 22 and the network communication interface 26 are connected to the communication bus 18.
  • Input/output device 24 may be coupled to other components of computing device 12 through input/output interface 22.
  • Exemplary input/output devices 24 include, but are not limited to, a pointing device (such as a mouse or trackpad), a keyboard, a touch input device (such as a touchpad or touch screen), a voice or sound input device, various types of sensor devices, and/or imaging devices. It may include input devices and/or output devices such as display devices, printers, speakers, and/or network cards.
  • the exemplary input/output device 24 may be included within the computing device 12 as a component constituting the computing device 12, or may be connected to the computing device 12 as a separate device distinct from the computing device 12. It may be possible.

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Abstract

L'invention concerne un poteau intelligent de type à protection contre la foudre et un procédé de surveillance de mise à la terre associé. Le poteau intelligent de type à protection contre la foudre, selon un mode de réalisation de la présente invention, comprend : un poteau; un parafoudre dipôle qui est installé sur le poteau afin de protéger celui-ci d'une frappe de foudre; et une partie de mise à la terre. Le poteau intelligent de type à protection contre la foudre comprend en outre : une partie de mesure qui génère des informations de mesure par mesure de la résistance de mise à la terre de la partie de mise à la terre à l'aide d'une électrode de mise à la terre de la partie de mise à la terre et d'une ou plusieurs électrodes de test enfouies dans la terre; et une partie de communication qui transmet les informations de mesure générées à l'extérieur.
PCT/KR2023/010411 2022-07-20 2023-07-19 Poteau intelligent de type à protection contre la foudre et procédé de surveillance de mise à la terre associé WO2024019526A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2022-0089839 2022-07-20
KR20220089839 2022-07-20
KR1020230090918A KR102711830B1 (ko) 2022-07-20 2023-07-13 낙뢰보호형 스마트 폴 및 이의 접지 모니터링 방법
KR10-2023-0090918 2023-07-13

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WO2024019526A1 true WO2024019526A1 (fr) 2024-01-25

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200339609Y1 (ko) * 2003-10-14 2004-01-24 한국전력공사 콘크리트 전주
KR101491414B1 (ko) * 2014-06-13 2015-02-06 정용기 능동형 낙뢰 수뢰장치
KR101606925B1 (ko) * 2014-11-24 2016-03-31 한국해양대학교 산학협력단 대지전계 고정도 측정 및 낙뢰경보 시스템
KR101785024B1 (ko) * 2016-07-18 2017-10-13 (주)옴니엘피에스 쌍극자피뢰침(BCAT: Bipolar Conventional Air Terminal)를 이용한 낙뢰경보시스템
KR20210047657A (ko) * 2019-10-22 2021-04-30 화인시스템(주) 접지선 도난방지 및 이상유무 감시 시스템

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200339609Y1 (ko) * 2003-10-14 2004-01-24 한국전력공사 콘크리트 전주
KR101491414B1 (ko) * 2014-06-13 2015-02-06 정용기 능동형 낙뢰 수뢰장치
KR101606925B1 (ko) * 2014-11-24 2016-03-31 한국해양대학교 산학협력단 대지전계 고정도 측정 및 낙뢰경보 시스템
KR101785024B1 (ko) * 2016-07-18 2017-10-13 (주)옴니엘피에스 쌍극자피뢰침(BCAT: Bipolar Conventional Air Terminal)를 이용한 낙뢰경보시스템
KR20210047657A (ko) * 2019-10-22 2021-04-30 화인시스템(주) 접지선 도난방지 및 이상유무 감시 시스템

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