WO2022169009A1 - Procédé fondé sur une montre intelligente pour la détection d'un fil sous tension - Google Patents

Procédé fondé sur une montre intelligente pour la détection d'un fil sous tension Download PDF

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Publication number
WO2022169009A1
WO2022169009A1 PCT/KR2021/001623 KR2021001623W WO2022169009A1 WO 2022169009 A1 WO2022169009 A1 WO 2022169009A1 KR 2021001623 W KR2021001623 W KR 2021001623W WO 2022169009 A1 WO2022169009 A1 WO 2022169009A1
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WO
WIPO (PCT)
Prior art keywords
smart watch
magnetic field
value
live wire
earth magnetic
Prior art date
Application number
PCT/KR2021/001623
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English (en)
Korean (ko)
Inventor
심용수
심상우
심지원
Original Assignee
심용수
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 심용수 filed Critical 심용수
Priority to PCT/KR2021/001623 priority Critical patent/WO2022169009A1/fr
Priority to KR1020217005063A priority patent/KR102309946B1/ko
Publication of WO2022169009A1 publication Critical patent/WO2022169009A1/fr

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/145—Indicating the presence of current or voltage
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/08—Measuring electromagnetic field characteristics
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/08—Locating faults in cables, transmission lines, or networks
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13—Receivers
    • G01S19/14—Receivers specially adapted for specific applications
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/40—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for measuring magnetic field characteristics of the earth
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V7/00—Measuring gravitational fields or waves; Gravimetric prospecting or detecting
    • G01V7/02—Details
    • G01V7/04—Electric, photoelectric, or magnetic indicating or recording means
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems; Audible personal calling systems
    • G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
    • G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
    • G08B5/36—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources

Definitions

  • the present invention relates to a method of detecting a live wire through a smart watch, and more particularly, by detecting a live wire in the vicinity without a separate live wire detection device through a live wire detection application using a geomagnetic sensor built into the smart watch, the smart watch It relates to a technology for preventing a safety accident by providing an alarm with a smart watch that can be worn on the user's body by providing a notification.
  • Live line work means work performed while the line is pressurized and work on a line that has not undergone a normal power outage procedure.
  • Distribution live wire work refers to work performed by a distribution live wire major using live wire tools and equipment in accordance with the live wire work method and safety work rules on a line or device to which a voltage higher than high voltage is applied.
  • live wire workers perform dangerous live wire work that is exposed to high voltage wires
  • the device that guarantees safety against the danger is poor. 1
  • a user has to separately install a live wire detection device formed in the shape of a smartphone case in a smart phone that is used in the past. Accordingly, there arises a problem of cost, such as having to purchase such a hassle and a separate live wire detection device.
  • live wire detection device since live wire work cannot be performed, the efficiency of the work is inevitably reduced.
  • the present invention is intended to solve the problems of the prior art, and it is possible to easily detect a live wire through a smart watch without purchasing a separate live wire detection device through a method for detecting a live wire through a smart watch, and the communication function of the smart watch
  • the purpose of this is to prevent an electric shock accident caused by an unrecognized live line in advance by transmitting and receiving messages of sharing and prohibition of access to the dangerous area through the
  • the purpose is to minimize the inconvenience of use by wearing a wearable type smart watch on the wrist without the trouble of attaching the user terminal to the clothes to keep it in the hand or to be located in a visible place in order to properly check the alarm There is this.
  • a method for detecting a live wire through a smart watch includes: (a) collecting the earth magnetic field sensor measurement value through the earth magnetic field sensor of the smart watch, and the collected earth magnetism converting the sensor measurement value into a magnetic force measurement value; (b) providing, by the smart watch, an alarm alarm to the smart watch wirelessly connected to the smart watch when the converted magnetic force measurement value is greater than or equal to a reference value according to a preset algorithm; including, wherein the earth magnetic field sensor can measure electromagnetic force or magnetic force in a three-dimensional space, and the earth magnetic field sensor measurement value measured through the earth magnetic field sensor built in the smart watch is an X-axis earth magnetic field value, Y It may be a 3-axis earth magnetic field value including an axial earth magnetic field value and a Z-axis earth magnetic field value.
  • the magnetic force measurement value can be extracted.
  • step (a) may further include providing numerical information on the live magnetic force of the measurement point through the screen of the smart watch.
  • the method may include providing the live wire magnetic force information and live wire proximity information of the measurement point through the screen of the smart watch.
  • step (b) the preset algorithm sets the reference value based on pre-stored measurement data, and when the magnetic force measurement value is greater than or equal to the reference value, the smart watch may provide an alarm.
  • the reference value may be set differently depending on a distance between the live wire and the smart watch and a voltage of electricity flowing through the live wire.
  • the alarm provided to the smart watch may be a method of emitting light through vibration, a warning sound, or flickering of the screen.
  • the smart watch may transmit the area in which the live line is sensed to another terminal or provide a warning alarm to the terminal when the other terminal approaches the area in which the live line is detected.
  • the server collects the user's GPS information measured by the smart watch or a user terminal connected to the smart watch, and when GPS information of at least one other terminal within a preset range is not collected from the user's GPS information, the A warning alarm may be provided to the user terminal wirelessly connected to the smart watch.
  • a smart watch providing a method for detecting a live wire includes an earth magnetic field sensor, and the smart watch collects the earth magnetic field sensor measurement value through the earth magnetic field sensor, The earth magnetic field sensor measurement value is converted into a magnetic force measurement value, but according to a preset algorithm, when the converted magnetic force measurement value is greater than or equal to the reference value, an alarm alarm is provided, and the earth magnetic field sensor is electromagnetic force or magnetic force for a three-dimensional space can be measured, and the earth magnetic field sensor measurement value measured through the earth magnetic field sensor built into the smart watch is a 3-axis earth magnetic field including an X-axis earth magnetic field value, a Y-axis earth magnetic field value, and a Z-axis earth magnetic field value. can be a value.
  • the present invention is economical because it is possible to detect a live wire without additional accessory equipment, which was required in the prior art, through a method for detecting a live wire through a smart watch, and the risk of a live wire that is not detected around the user through the communication module of the smart watch Because information can be shared, electric shock accidents caused by live wires can be prevented in advance.
  • the wearer's health status can be checked in real time, and real-time observation and tracking are possible to prevent electric shock caused by live wires.
  • FIG. 1 is an image of a live wire detection device according to the prior art.
  • FIG. 2 is a diagram showing the configuration of a smart watch according to an embodiment of the present invention.
  • FIG. 3 is an operation flowchart illustrating the operation of a smart watch-based live wire detection method according to an embodiment of the present invention.
  • FIG. 4 is an image showing measurement values of a high-voltage transmission tower and a magnetic field in a high-voltage transmission tower for explaining a smart watch-based live wire detection method according to an embodiment of the present invention.
  • FIG. 5 is an operation flowchart of a method of collecting health information of a user through a smart watch according to an embodiment of the present invention.
  • a "part” includes a unit realized by hardware, a unit realized by software, and a unit realized using both.
  • one unit may be implemented using two or more hardware, and two or more units may be implemented by one hardware.
  • ' ⁇ unit' is not limited to software or hardware, and ' ⁇ unit' may be configured to be in an addressable storage medium or may be configured to reproduce one or more processors.
  • ' ⁇ ' denotes components such as software components, object-oriented software components, class components, and task components, and processes, functions, properties, and procedures. , subroutines, segments of program code, drivers, firmware, microcode, circuitry, data, databases, data structures, tables, arrays and variables.
  • components and ' ⁇ units' may be combined into a smaller number of components and ' ⁇ units' or further separated into additional components and ' ⁇ units'.
  • components and ' ⁇ units' may be implemented to play one or more CPUs in a device or secure multimedia card.
  • the "user terminal” referred to below may be implemented as a computer or portable terminal that can access a server or other terminal through a network.
  • the computer is, for example, a laptop, desktop, laptop, VR HMD (eg, HTC VIVE, Oculus Rift, GearVR, DayDream, PSVR, etc.) equipped with a web browser (WEB Browser), etc.
  • VR HMD is for PC (e.g., HTC VIVE, Oculus Rift, FOVE, Deepon, etc.), mobile (e.g., GearVR, DayDream, Storm Horse, Google Cardboard, etc.) Independently implemented Stand Alone models (eg Deepon, PICO, etc.) are included.
  • a portable terminal is, for example, a wireless communication device that guarantees portability and mobility, and includes not only a smart phone, a tablet PC, a wearable device, but also Bluetooth (BLE, Bluetooth Low Energy), NFC, RFID, and ultrasound (Ultrasonic). , infrared, Wi-Fi, Li-Fi, etc. may include various devices equipped with a communication module.
  • “network” refers to a connection structure capable of exchanging information between each node, such as terminals and servers, and includes a local area network (LAN), a wide area network (WAN), and the Internet. (WWW: World Wide Web), wired and wireless data networks, telephone networks, wired and wireless television networks, and the like.
  • wireless data communication networks examples include 3G, 4G, 5G, 3rd Generation Partnership Project (3GPP), Long Term Evolution (LTE), World Interoperability for Microwave Access (WIMAX), Wi-Fi, Bluetooth communication, infrared communication, ultrasound Communication, Visible Light Communication (VLC), LiFi, etc. are included, but are not limited thereto.
  • 3GPP 3rd Generation Partnership Project
  • LTE Long Term Evolution
  • WIMAX World Interoperability for Microwave Access
  • Wi-Fi Bluetooth communication
  • infrared communication ultrasound Communication
  • VLC Visible Light Communication
  • LiFi etc.
  • FIG. 2 A configuration of a smart watch according to an embodiment of the present invention will be described.
  • a smart watch refers to an electronic device capable of wireless connection with a user terminal, worn on a body such as a user's wrist or wrist, and also serving as a watch.
  • a smart watch can transmit and receive data based on short-distance wireless communication with a user terminal, and when the smart watch communicates with an external object, it can directly communicate with an external object, but can also communicate with an external object via the user terminal.
  • the smart watch 100 includes a communication module 110 , a memory 120 , a processor 130 and a magnetic field sensor 140 , and a display unit 150 .
  • the communication module 110 may be connected to a user terminal (eg, a smart phone) through a local area network. Furthermore, the communication module 110 may serve to receive a data request from at least one terminal and transmit data in response thereto.
  • a user terminal eg, a smart phone
  • the communication module 110 may serve to receive a data request from at least one terminal and transmit data in response thereto.
  • the communication module 110 may be a device including hardware and software necessary for transmitting and receiving signals such as control signals or data signals through wired/wireless connection with other network devices.
  • the memory 120 a program for performing a smart watch-based live wire detection method is recorded.
  • the processor 130 performs a function of temporarily or permanently storing the processed data.
  • the memory 120 may include magnetic storage media or flash storage media, but the scope of the present invention is not limited thereto.
  • the processor 130 controls the entire process of providing a smart watch-based live wire detection method as a kind of central processing unit. Each step performed by the processor 130 will be described later with reference to FIG. 3 .
  • the processor 130 may include all kinds of devices capable of processing data, such as a processor.
  • the 'processor' may refer to a data processing device embedded in hardware, for example, having a physically structured circuit to perform a function expressed as a code or an instruction included in a program.
  • a microprocessor a central processing unit (CPU), a processor core, a multiprocessor, an application-specific integrated (ASIC) circuit
  • ASIC application-specific integrated
  • FPGA field programmable gate array
  • the geo-magnetic sensor 140 measures an azimuth using the earth's magnetic field, and may measure geomagnetism with respect to three axes of the X-axis, Y-axis, and Z-axis in uT (microtesla) units.
  • the earth magnetic field sensor 140 is a sensor that uses the magnetoresistance effect or the Hall effect, and infers the geomagnetism from the relationship between the magnetic field and the resistance through a phenomenon in which the resistance of a semiconductor or metal material changes according to the magnetic field, or is perpendicular to the magnetic field in the semiconductor material.
  • the voltage in the direction perpendicular to the direction of the magnetic field and the current is called a Hall voltage, and the magnetic field can be inferred inversely by measuring it.
  • the geomagnetic sensor 140 built into the smart watch 100 can measure electric and magnetic force to measure the three-dimensional direction, and using this, it is possible to measure the change in the surrounding magnetic field, and the effect of the high-voltage wire The presence or absence of high-voltage lines can be checked by measuring the changing magnetic field.
  • the display unit 150 is an element constituting the smart watch 100, and is composed of a display module including an LED or LCD.
  • the screen When receiving a warning alarm signal of a user alarm from the communication unit 210, the screen may blink.
  • the current situation or live wire magnetic force information and live wire proximity information provided from the smart watch 100 may be provided to the user through the display.
  • biometric sensors for measuring user's biometric data such as heart rate measurement or blood pressure measurement may be included.
  • An application for live wire detection may be pre-installed in the smart watch.
  • the geomagnetic sensor 140 may measure an electromagnetic force or a magnetic force in a three-dimensional space.
  • the collected earth magnetic field sensor 140 value may be a 3-axis earth magnetic field sensor 140 value including an X-axis earth magnetic field value, a Y-axis earth magnetic field value, and a Z-axis earth magnetic field value.
  • the earth magnetic field sensor 140 measured and collected through the earth magnetic field sensor 140 of the smart watch 100 may be substituted into a preset magnetic force measurement conversion formula to be converted into a magnetic force measurement value.
  • Z may be a Z-axis earth magnetic field value.
  • the converted magnetic force measurement value may provide the live wire magnetic force information of the measurement point as a numerical value to the screen of the smart watch 100 .
  • live wire magnetic force information and live wire proximity information of the measurement point may be provided on the screen of the smart watch 100 .
  • the live wire magnetic force information may be information on the degree of magnetic force of the live wire at the measurement point, and the live wire proximity information may be distance information from the measurement point to the live wire.
  • the smart watch 100 when providing live magnetic force information of a measurement point through the screen of the smart watch 100, it may be provided through a graph or an image that can intuitively identify a danger signal or a safety signal.
  • the smart watch 100 may provide an alarm when the converted magnetic force measurement value is equal to or greater than the reference value according to a preset algorithm. (S530)
  • the preset algorithm sets a reference value based on pre-stored measurement data and compares the magnetic force measurement value with the reference value
  • the pre-stored measurement data is data obtained by measuring the magnetic field of a transmission tower of a high-voltage line and a transmission tower of a high-voltage line
  • 4 is an exemplary view showing the measurement of a magnetic field of a transmission tower of a high-voltage wire and a transmission tower of a high-voltage wire.
  • the data obtained by measuring the magnetic field of high-voltage power transmission towers and high-voltage transmission towers can be set based on the average value of field measurements for the effect of electromagnetic waves according to the transmission line distance and the year-round average estimated value of the influence of electromagnetic waves according to the transmission line distance. .
  • the average value of field measurements on the effect of electromagnetic waves according to the distance of the transmission line is shown in [Table 1] below.
  • the horizontal axis means the distance between the smart watch 100 and the live wire
  • the vertical axis is the voltage of the current flowing in the live wire.
  • the annual average estimated value of the effect of electromagnetic waves according to the transmission line distance is shown in [Table 2] below.
  • the horizontal axis means the distance between the smart watch 100 and the live wire
  • the vertical axis is the voltage of the current flowing in the live wire.
  • the reference value may be set differently depending on the distance between the live line and the smart watch 100 and the voltage of electricity flowing through the live line.
  • the smart watch 100 may provide a notification.
  • the alarm provided by the smart watch 100 may be at least one method including a vibration, a warning sound, or a method of emitting light through a flash of a camera built in the smart watch 100 .
  • the smart watch 100 may perform an additional function of collecting health information of the user.
  • the user's health information may be collected through a sensor built into the smart watch 100 . (S710)
  • the user's health information collected by the smart watch 100 may include various other biometric information such as the user's electrocardiogram and blood pressure.
  • the smart watch 100 may transmit the collected user's health information to the server. (S720)
  • the smart watch 100 transmits the collected health information of the user to the server, and the real-time health information of the user may be provided to the user through the screen of the smart watch 100 according to the user's request.
  • the smart watch 100 When receiving an abnormal signal of the health information of the smart watch 100 user from the server, the smart watch 100 may operate a warning alarm. (S730)
  • the smart watch 100 may provide a warning alarm to the user through vibration, a warning sound, or a screen flickering.
  • the server may manage the user's health information by dividing it into grades.
  • the server classifies the user's health information into risk, caution, normal, and safe, and, in the event of a serious problem with the user's health, such as myocardial infarction or electric shock, automatically responds to the risk level.
  • a serious problem with the user's health such as myocardial infarction or electric shock
  • automatically responds to the risk level can be called, or an alarm can be provided to a nearby smart watch or a nearby user terminal, and a treatment method suitable for the current emergency can be provided along with the alarm.
  • the user's health information can be used by dividing the user's health status into grades that are higher than usual or higher than the reference value, usually no different than usual, and the user's condition is good for relief. .
  • the smart watch 100 shares information on the area where the live line is detected with other objects (user terminal, other smart watch, or server, etc.) or when another object approaches the area where the live line is detected, A warning alarm can be provided to the terminal of the corresponding object.
  • the magnetic force measurement value sensed by the smart watch 100 may be divided into magnetic force classes based on a predetermined value, and the alarm for the smart watch 100 to operate may be different according to the magnetic force class. For example, when the magnetic force rating is high, the smart watch 100 may operate the alarm sound to the maximum including the alarm unit, or may operate the warning alarm differently depending on the rating in a way that vibrates and sounds the alarm at the same time.
  • the server collects the GPS signal of the smart watch 100 (GPS signal of the smart watch when the GPS module is mounted inside the smart watch) or the GPS signal of the user terminal, and a plurality of signals are collected at a nearby location If not, an alarm may be provided to the terminal or an alarm may be provided to another object (eg, other user terminal, other smart watch, server, etc.) located in an adjacent location.
  • a live line operation is a task in which at least two or more persons perform work, and when at least two persons are not in close proximity when a live line is detected, an alarm is provided to another object so that a plurality of persons can perform the work. can do.
  • the server collects the magnetic force measurement value of the live wire sensed from the smart watch 100, stores the time the user is exposed to the magnetic force and the magnetic force value of the exposure time, and updates the user's health information through this can do.
  • the server updates the user's health information and updates the user's health information to prevent industrial accidents caused by disease induction by tracking disease-causing factors, including the time exposed to the magnetic field and the magnitude of the exposed magnetic field.
  • An alarm may be provided to an operator or a status of a user whose health information is at a dangerous level may be provided to an administrator.
  • the reference value for the magnetic force in daily life can be checked.
  • the start and end of the worker's work can be identified through the change in the measured magnetic force.
  • the worker can grasp the change in the magnetic force value exposed to the worker during work hours in time series, and it can be transmitted and stored to the server, and the user's health information from the smart watch 100 can be collected through handwriting input or automatic extraction, and the user's health status according to the magnetic force exposure value and magnetic force exposure time can be recorded and stored for each user.
  • a user When a user has a disease based on these values, it can be used as a basis for determining the industrial accident impact information by comparing it with the values of other users.
  • the analysis can be completed as a change in heart rate or a disease such as high blood pressure.
  • a user if a user develops leukemia after being exposed to a live magnetic force of 250uT 5 times a week for 6 years, big data collected from other users can be used as evidence.
  • the server may provide the data of these other users to a smart watch or a user terminal (smartphone).
  • the magnetic force value measured by the smart watch 100 may be stored, and the type of work performed by the smart watch 100 may be received and stored. Through this, the average magnetic force value for each task may be collected. After that, when a magnetic force value much higher than the average magnetic force value is received despite performing the same task, there is a risk of exposure to excessive electromagnetic waves, so that a notification or warning can be sent to another object to request a work interruption.
  • transmission/reception between the smart watch 100 and the server may be performed directly, but data may also be transmitted/received by a user terminal (ie, a smart phone) interposed between the smart watch 100 and the server.
  • a user terminal ie, a smart phone
  • An embodiment of the present invention may also be implemented in the form of a recording medium including instructions executable by a computer, such as a program module executed by a computer.
  • Computer-readable media can be any available media that can be accessed by a computer and includes both volatile and nonvolatile media, removable and non-removable media. Also, computer-readable media may include all computer storage media. Computer storage media includes both volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data.

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Abstract

Un procédé de détection d'un fil sous tension par l'intermédiaire d'une montre intelligente, mis en œuvre par une montre intelligente, selon un mode de réalisation de la présente invention peut consister : (a) à collecter une valeur de mesure de capteur de champ géomagnétique par l'intermédiaire d'un capteur de champ géomagnétique d'une montre intelligente et à convertir la valeur de mesure de capteur de champ géomagnétique collectée en une valeur de mesure de force magnétique ; et (b) si la valeur de mesure de force magnétique convertie est supérieure ou égale à une valeur de référence, à fournir, par la montre intelligente, une alarme à la montre intelligente connectée sans fil à la montre intelligente en fonction d'un algorithme configuré, le capteur de champ géomagnétique pouvant mesurer une force électromagnétique ou une force magnétique par rapport à un espace tridimensionnel, et la valeur de mesure de capteur de champ géomagnétique, mesurée par l'intermédiaire d'un capteur géomagnétique intégré dans la montre intelligente, pouvant être une valeur de champ géomagnétique à trois axes comprenant une valeur de champ géomagnétique d'axe x, une valeur de champ géomagnétique d'axe y, et une valeur de champ géomagnétique d'axe z.
PCT/KR2021/001623 2021-02-08 2021-02-08 Procédé fondé sur une montre intelligente pour la détection d'un fil sous tension WO2022169009A1 (fr)

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PCT/KR2021/001623 WO2022169009A1 (fr) 2021-02-08 2021-02-08 Procédé fondé sur une montre intelligente pour la détection d'un fil sous tension
KR1020217005063A KR102309946B1 (ko) 2021-02-08 2021-02-08 스마트 워치 기반의 활선 감지 방법

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KR102549306B1 (ko) * 2022-04-01 2023-06-29 우기찬 스마트 워치를 이용한 감전사고 안전관리 시스템
KR102653742B1 (ko) * 2023-11-10 2024-04-02 유광호 활선 근접 알람 스마트워치

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