WO2016079832A1 - Système de sondage destiné à un article à sonder, et procédé de sondage - Google Patents

Système de sondage destiné à un article à sonder, et procédé de sondage Download PDF

Info

Publication number
WO2016079832A1
WO2016079832A1 PCT/JP2014/080686 JP2014080686W WO2016079832A1 WO 2016079832 A1 WO2016079832 A1 WO 2016079832A1 JP 2014080686 W JP2014080686 W JP 2014080686W WO 2016079832 A1 WO2016079832 A1 WO 2016079832A1
Authority
WO
WIPO (PCT)
Prior art keywords
exploration
power
probe
information processing
power consumption
Prior art date
Application number
PCT/JP2014/080686
Other languages
English (en)
Japanese (ja)
Inventor
和磨 沖段
勝彦 三戸
大久保　典浩
伸行 河野
昌宏 井町
Original Assignee
中国電力株式会社
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 中国電力株式会社 filed Critical 中国電力株式会社
Priority to PCT/JP2014/080686 priority Critical patent/WO2016079832A1/fr
Priority to JP2015530204A priority patent/JP5872742B1/ja
Publication of WO2016079832A1 publication Critical patent/WO2016079832A1/fr

Links

Images

Classifications

    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V15/00—Tags attached to, or associated with, an object, in order to enable detection of the object
    • 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
    • G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices

Definitions

  • the present invention relates to an exploration system and exploration method for an object to be investigated.
  • Patent Document 1 in order to reliably search a cable embedded in a limited range and at a relatively shallow depth, an induction coil arranged so that its axis is in a horizontal direction, Embedded from a transmitter for passing an alternating current, two detection coils arranged in parallel with each other at a predetermined interval, and a detector for detecting the current flowing through the detection coil. It describes that the cable exploration device is configured and the frequency of the AC voltage used for exploration can be set to the resonance frequency of the buried cable.
  • the buried object exploration device includes a portable transceiver, a wireless repeater provided near the surface of the earth, a buried identification sheet, a wireless IC tag attached to an buried object such as an optical cable, and the portable transceiver transmits an exploration signal as an electromagnetic wave.
  • the wireless IC tag transmits a response signal including identification information as an electromagnetic wave, and the wireless repeater displays the identification information and relays the response signal.
  • Patent Document 1 it is necessary to provide a plurality of induction coils in which the direction of the axis is set at the site when searching for the cable, and the frequency of the AC voltage used for the search is set to the resonance frequency of the buried cable. It is necessary to make settings, and complicated setting work and preparation work occur during implementation. In addition, the object of exploration is limited to an induction coil that can pass current by electromagnetic induction, such as an embedded cable.
  • electromagnetic waves (exploration signals and response signals) are transmitted and received between the portable transceiver (mobile phone) and the wireless IC tag.
  • the electromagnetic waves are transmitted between the portable transceiver and the wireless IC tag. If there is a shield between them, it may hinder the exploration. In addition, securing driving power for the wireless IC tag buried in the ground becomes a problem.
  • the present invention has been made in view of such a background, and provides an exploration system and an exploration method for an exploration object that can easily and reliably explore the exploration object with a simple configuration.
  • the purpose is that.
  • an exploration system for an exploration object which includes an exploration device having a power receiving circuit in magnetic resonance type non-contact power supply and provided in the exploration object, and magnetic resonance And a searcher having a power transmission circuit in non-contact power feeding of the system, and the searcher includes a power measurement circuit that measures power consumption of the power transmission circuit.
  • an exploration device is provided in advance in the exploration object, and it is only necessary to move the exploration device along the ground surface during exploration. No preparatory work is required, and the exploration object can be easily and efficiently carried out.
  • Another aspect of the present invention is the exploration system for the object to be probed, wherein the probe includes an information processing device, and the information processing device outputs information on the change in the power consumption. I will do it.
  • the information processing apparatus outputs information on changes in power consumption, so that the user can easily search for the object to be searched based on the output information.
  • Another aspect of the present invention is the exploration system for the exploration object, in which the information processing apparatus stores power consumption when the power transmission circuit is unloaded, and Information on the difference from the power consumption during load is output.
  • the user consumes power when there is no load (impedance Z of the power transmission circuit is minimum) and when power is loaded (when power is supplied from the power transmission circuit of the probe to the power receiver circuit of the probe) ) Can be easily and reliably determined based on the information on the difference from the power consumption.
  • Another one of the present invention is the exploration system for the exploration object, wherein the exploration device operates by the electric power received from the exploration device, and obtains the exploration device ID given to itself.
  • a transmitter for transmitting the information processing apparatus includes a receiver for receiving the probe target ID transmitted from the probe, and the information processor includes a probe target ID stored in advance It is determined whether or not the probe target ID received from the probe is coincident.
  • the probe since the probe determines whether or not the probe ID sent from the probe is a specific one, the user can search for the target probe or probe. Can be done smoothly.
  • Another aspect of the present invention is the exploration system for the exploration object, wherein the information processing apparatus stores correspondence between the power consumption and the distance between the power transmission circuit and the power reception circuit. The distance from the probe to the probed device corresponding to the measured power consumption is acquired and output.
  • the user can know the distance from the probe to the probe, and can smoothly search the probe.
  • FIG. 1 is a diagram illustrating a hardware configuration of an information processing apparatus 14.
  • FIG. 3 is a diagram illustrating functions (software configuration) of the information processing apparatus 14 and data managed by the information processing apparatus 14.
  • FIG. It is an example of no-load power consumption 521. It is an example of to-be-searched object information 522. It is an example of a power consumption / distance correspondence table 523.
  • FIG. 1 is a diagram for explaining an outline of an exploration system 1 described as an embodiment.
  • the exploration system 1 is an exploration device that moves along the ground surface 2 when exploring underground objects such as pipes and cables (hereinafter referred to as the exploration object 5). 10 and one or more to-be-searched objects 20 provided in the predetermined location of the to-be-searched object 5.
  • the probe 10 includes a power transmission circuit 11 in magnetic resonance type non-contact power feeding.
  • the probe 20 includes a power receiving circuit 21 that receives power from the probe 10 by magnetic resonance type non-contact power supply.
  • the exploration device 10 is carried by a user who performs exploration, such as an operator at a construction site.
  • the probe 10 autonomously travels using position information acquired by a positioning device such as GPS (Global Positioning System)
  • the probe 10 autonomously moves within the area to be searched for the object 5 to be searched. Move on.
  • the power transmission circuit 11 of the probe 10 is set to the power transmission state, and the user or the probe 10 monitors (monitors) the power consumption of the power transmission circuit 11.
  • the impedance Z of the power transmission circuit 11 changes and the power consumption of the power transmission circuit 11 changes.
  • the user or the searcher 10 determines the presence / absence of the search object 5 based on the change in power consumption of the power transmission circuit 11 (change in impedance Z).
  • the power consumption of the power transmission circuit 11 changes between when the power transmission circuit 11 is not supplying power to the power reception circuit 21 and when power is being supplied in the magnetic resonance type non-contact power supply for the following reason. . That is, when the power transmission circuit 11 is operated alone (without the power reception circuit 21), the impedance Z of the power transmission circuit 11 is only a DC resistance component (the power transmission circuit 11 is in a resonance state, there is no load, and the impedance Z is Minimal state).
  • the power supply circuit 13 is a constant voltage power supply
  • the impedance Z of the power transmitting circuit 11 changes due to a change in the coupling coefficient with the power receiving circuit 21 and the influence of the load 22 ( As a result, the impedance Z increases. As a result, the power consumption of the power transmission circuit 11 changes (the power consumption decreases if the power supply circuit 13 is a constant voltage power supply).
  • the impedance Z changes according to the distance between the power transmission circuit 11 and the power reception circuit 21, if the relationship between the distance and the impedance Z (or power consumption) is known in advance, the power consumption of the power transmission circuit 11 can be used to It is also possible to grasp the distance.
  • FIG. 2A shows the hardware configuration of the probe 10.
  • the probe 10 includes a power transmission circuit 11 that performs magnetic resonance type non-contact power feeding, a power measurement circuit 12 that measures power consumption of the power transmission circuit 11, a power supply circuit 13, and an information processing device 14 (computer). ).
  • the probe 10 is autonomously traveling, the probe 10 further includes a positioning device such as GPS and an autonomous traveling device in addition to the configuration shown in FIG.
  • FIG. 2B shows the hardware configuration of the probe 20.
  • the probe 20 includes a power receiving circuit 21 that performs magnetic resonance type non-contact power feeding, and a load 22 that operates by power received by the power receiving circuit 21.
  • FIG. 3A is a diagram illustrating the configuration around the power transmission circuit 11 of the probe 10.
  • the power transmission circuit 11 includes a power transmission side coil 111, a power transmission side capacitor 112, and a control circuit 113.
  • the power measurement circuit 12 includes a voltmeter 121 and an ammeter 122 for measuring the power supplied from the power supply circuit 13 to the power transmission circuit 11.
  • the power supply circuit 13 is, for example, a switching or linear circuit, and supplies driving power to the power transmission circuit 11 or the information processing device 14.
  • the control circuit 113 includes a driver circuit (a gate driver, a half bridge driver, etc.), and generates a drive current having a predetermined frequency to be supplied to the power transmission circuit 11 based on the power supplied from the power supply circuit 13.
  • FIG. 3B is a diagram illustrating the configuration around the power receiving circuit 21 of the device under investigation 20.
  • the power receiving circuit 21 includes a power receiving side coil 211 and a power receiving side capacitor 212.
  • FIG. 4 shows the hardware configuration of the information processing apparatus 14.
  • the information processing device 14 includes a processor 141, a storage device 142, an input device 143, and an output device 144. These are connected to be communicable via a communication means such as a bus.
  • the processor 141 is configured using, for example, a CPU (Central Processing Unit) and an MPU (Micro Processing Unit).
  • the storage device 142 is a device that stores programs and data, and is, for example, a ROM (Read Only Memory), a RAM (Random Access Memory), an NVRAM (Non Volatile RAM), or the like.
  • the input device 143 is a user interface that receives input of information and instructions from the user, and is, for example, a keyboard, a mouse, a touch panel, or the like.
  • the output device 144 is a user interface that provides information to the user, and is, for example, a liquid crystal panel, an LED (Light Emitting Diode), a speaker, or the like.
  • FIG. 5 shows functions (software configuration) of the information processing apparatus 14 and data managed by the information processing apparatus 14.
  • the information processing apparatus 14 includes functions of a setting reception unit 501, a power consumption monitoring unit 502, and an information output unit 503. These functions are realized by the processor 141 reading and executing a program stored in the storage device 142.
  • the setting reception unit 501 receives input of various information from the user via the input device 143.
  • the power consumption monitoring unit 502 monitors the power consumption of the power transmission circuit 11 as needed.
  • the information output unit 503 outputs various information to the output device 144.
  • the information processing apparatus 14 stores a no-load power consumption 521, a search object information 522, and a power consumption / distance correspondence table 523. These pieces of information are registered in advance by the user, for example.
  • FIG. 6 shows an example of no-load power consumption 521.
  • the no-load power consumption 521 is the power consumption of the power transmission circuit 11 when the power transmission circuit 11 is in a no-load state (the power is not supplied from the power transmission circuit 11 to the power reception circuit 21).
  • FIG. 7 shows an example of the search object information 522.
  • the to-be-searched object information 522 includes an identifier (hereinafter referred to as a to-be-searched object ID 5221) assigned to each to-be-searched object 5 and an identifier of the power receiving device 20 provided in the to-be-searched object 5 (hereinafter referred to as a to-be-searched object ID 5222). It is information indicating the correspondence with the.
  • FIG. 8 shows an example of the power consumption / distance correspondence table 523.
  • the power consumption / distance correspondence table 523 is information indicating correspondence between the power consumption 5231 of the power transmission circuit 11 and the distance 5232 between the power transmission circuit 11 and the power receiving circuit 21 provided on the exploration object 5 from the ground surface. .
  • FIG. 9 illustrates an example of a process (hereinafter referred to as a search process S900) performed by the information processing apparatus 14 of the searcher 10 when searching the object 5 to be searched using the search system 1 having the above configuration. It is a flowchart. Hereinafter, the exploration process S900 will be described with reference to FIG.
  • the information processing apparatus 14 waits for an operation input for starting a search by the user (S911).
  • the information processing apparatus 14 controls the power transmission circuit 11 to start power transmission by magnetic resonance type non-contact power feeding (S912). Further, the information processing apparatus 14 starts monitoring whether or not the power consumption has changed by a predetermined threshold value or more (S913).
  • the user After the start of power transmission, the user starts exploring the exploration object 5 and moves the probe 10 while holding the probe 10 so that the power transmission direction of the power transmission side coil 111 of the power transmission circuit 11 faces the ground.
  • the information processing device 14 When it is detected that the power consumption has changed more than the above threshold during movement (S913: YES), the information processing device 14 outputs information indicating that the exploration object 5 exists to the output device 144 (for example, to a liquid crystal monitor). Display and sound are output) (S914).
  • the threshold value may be provided in stages, and the information processing apparatus 14 may output information indicating which stage the power consumption of the power transmission circuit 11 is currently in.
  • the information processing apparatus 14 may change the height or tone according to the magnitude of the difference between the no-load power consumption 521 and the power consumption. This eliminates the need for the user to look at the liquid crystal monitor or the like all the time, prevents dangers such as a fall or a collision, and allows the search object 5 to be efficiently searched.
  • the information processing device 14 indicates information indicating a difference between the current power consumption of the power transmission circuit 11 and the no-load power consumption 521 of the power transmission circuit 11 together with or in place of the information indicating that the exploration object 5 exists. May be output. By confirming this difference, the user can acquire information effective for smoothly performing the search, such as whether the object 5 is currently approaching.
  • the information processing apparatus 14 determines from time to time whether or not the user has performed an end operation on the input apparatus 143 (S915). When the ending operation is performed (S915: YES), the information processing apparatus 14 resumes the process from S911.
  • the user can explore the exploration object 5 easily and reliably.
  • the information processing apparatus 14 collates the power consumption with the power consumption / distance correspondence table 523 shown in FIG.
  • the distance from 10 to the object 5 can be grasped, and the exploration can proceed smoothly.
  • FIG. 10 is a flowchart for explaining another example of the process performed by the information processing device 14 of the probe 10 (hereinafter referred to as a search process S1000) when searching for a search object using the search system 1.
  • the exploration process S1000 is performed on the assumption that a plurality of exploration devices 20 are provided at different positions of the exploration object 5.
  • FIG. 11 shows an aspect of the search object 5 and the probe 20 when the search process S1000 is performed.
  • the exploration object 5 is, for example, an underground conduit or a cable.
  • a plurality of probes 20 are provided at predetermined intervals along the longitudinal direction of the search object 5.
  • the exploration process S1000 will be described with reference to FIG.
  • the information processing apparatus 14 waits for an operation input for starting a search by the user (S1011).
  • the information processing apparatus 14 receives a probe target ID provided in the search target object 5 to be searched from the user (S1012).
  • the information processing apparatus 14 waits for an operation input for starting power transmission by the user (S1013).
  • the information processing device 14 controls the power transmission circuit 11 to start power transmission by magnetic resonance type non-contact power feeding (S1014).
  • the information processing apparatus 14 starts monitoring whether or not the power consumption of the power transmission circuit 11 has changed by a predetermined threshold or more (S1015).
  • the user After the start of power transmission, the user starts exploring the exploration object 5 and moves the probe 10 while holding the probe 10 so that the power transmission direction of the power transmission side coil 111 of the power transmission circuit 11 faces the ground.
  • the information processing device 14 When it is detected that the power consumption has changed more than the above threshold during movement (S1015: YES), the information processing device 14 outputs information indicating that the exploration object 5 exists to the output device 144 (for example, to the liquid crystal monitor). Display and sound are output) (S1016).
  • the threshold value may be provided in stages, and the information processing apparatus 14 may output information indicating which stage the power consumption of the power transmission circuit 11 is currently in.
  • the information processing apparatus 14 may change the height or tone according to the magnitude of the difference between the no-load power consumption 521 and the power consumption. This eliminates the need for the user to look at the liquid crystal monitor or the like all the time, prevents dangers such as a fall or a collision, and allows the search object 5 to be efficiently searched.
  • the information processing device 14 indicates information indicating a difference between the current power consumption of the power transmission circuit 11 and the no-load power consumption 521 of the power transmission circuit 11 together with or in place of the information indicating that the exploration object 5 exists. May be output. By confirming this difference, the user can acquire information effective for smoothly performing the search, such as whether the object 5 is currently approaching.
  • the probe 20 is provided with a transmitter that operates with the power received from the probe 10 and automatically transmits the probe ID assigned to itself, while the probe 10 is transmitted from the probe 20. And the information processing apparatus 14 determines whether or not the probe ID received from the probe 20 matches the probe ID received in S1012. Only when both coincide, information indicating that the exploration object 5 exists may be output to the output device 144. As a result, the user can smoothly search the target exploration object 5 and the probe 20.
  • the information processing apparatus 14 waits for a confirmation operation by the user (operation indicating that the probe 20 with the probe ID received in S1012 has been found) at any time (S1017), and when the confirmation operation is performed (S1017: NO) ) The process of S1018 is performed.
  • the information processing apparatus 14 waits for an input of either an end operation or a continuation operation by the user.
  • the continuation operation is performed (S1018: continuation)
  • the process returns to S1012, and the information processing apparatus 14 performs the same process as described above for the probe 20 having another probe target ID.
  • the search object ID is received from the user instead of the search object ID, and the information processing apparatus 14 is automatically provided in the search object 5 to be searched by referring to the search object information 522. It is also possible to acquire the probe ID of the probe 20 to be searched, and the information processing apparatus 14 automatically repeats the processing of S1012 to S1017 for each probe ID of the plurality of probe 20.
  • a plurality of exploration devices 20 provided at different positions of the exploration object 5 can be efficiently explored in order. Then, the user uses the exploration result to determine in what state the exploration object 5 is buried in the ground, for example, in which direction the underground pipe or cable extends. Such information can be easily acquired.
  • the exploration target 20 (power receiving circuit 21) is provided in advance on the exploration object 5, and the exploration device 10 (power transmission circuit 11) is provided during exploration. It is only necessary to move along the ground surface, and no complicated setting work or preparation work is required for exploration, and exploration of the exploration object 5 can be performed easily and efficiently.
  • the exploration system 1 can be applied to exploration of various exploration objects 5 without selecting the exploration object 5.
  • the position of the probe 5 can be reliably specified even if the position of the probe 5 changes due to vibrations such as road construction.
  • the power receiving circuit 21 of the probe 20 does not require a power supply circuit and has a simple configuration including a coil and a capacitor, so that it can be implemented at low cost and maintenance-free.
  • the magnetic resonance type non-contact power feeding it is known that even if an object such as a metal object, asphalt or concrete exists between the power transmission circuit 11 and the power receiving circuit 21, the power feeding is hardly affected. Even when there is an object between the object 10 and the object 5 to be searched, the object 5 can be searched. For this reason, unlike the prior art, it is not necessary to remove an object such as asphalt in advance, and the exploration of the exploration object 5 can be easily performed.
  • the present invention can be applied to, for example, a search for an object existing on the other side of a wall surface when the search target object 5 is an object other than an embedded object.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • Electromagnetism (AREA)
  • Geophysics And Detection Of Objects (AREA)

Abstract

L'invention concerne un dispositif à sonder 20 comportant un circuit de réception de puissance 21 destiné à une alimentation du type à résonance de champ magnétique sans contact, le dispositif étant prévu sur un article à sonder 5, et comportant en outre un dispositif de sonde 10, qui est pourvu d'un circuit de transmission de puissance 11 destiné à une alimentation du type à résonance de champ magnétique sans contact et d'un circuit de mesure de puissance 12 permettant de mesurer la puissance consommée par le circuit de transmission de puissance, qui est déplacé le long de la surface au sol pour sonder l'article à sonder 5 sur la base d'un changement de puissance consommée par le circuit de transmission de puissance 11. Le dispositif de sonde 10 est doté d'un dispositif de traitement d'informations 14, et le dispositif de traitement d'informations 14 délivre en sortie des informations indiquant le changement de consommation de puissance. Le dispositif de traitement d'informations 14 mémorise la puissance consommée par le circuit de transmission de puissance 11 en l'absence de charge et délivre en sortie des informations indiquant la différence entre la puissance consommée et la puissance consommée en l'absence de charge. Le dispositif de traitement d'informations 14 mémorise la corrélation entre la consommation de puissance du circuit de transmission de puissance 11 et la distance entre le circuit de transmission de puissance 11 et le circuit de réception de puissance, et obtient et délivre en sortie la distance qui va de la sonde 10 au dispositif à sonder 20 et correspond à la consommation de puissance mesurée.
PCT/JP2014/080686 2014-11-19 2014-11-19 Système de sondage destiné à un article à sonder, et procédé de sondage WO2016079832A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/JP2014/080686 WO2016079832A1 (fr) 2014-11-19 2014-11-19 Système de sondage destiné à un article à sonder, et procédé de sondage
JP2015530204A JP5872742B1 (ja) 2014-11-19 2014-11-19 被探査物の探査システム、及び探査方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2014/080686 WO2016079832A1 (fr) 2014-11-19 2014-11-19 Système de sondage destiné à un article à sonder, et procédé de sondage

Publications (1)

Publication Number Publication Date
WO2016079832A1 true WO2016079832A1 (fr) 2016-05-26

Family

ID=55362194

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2014/080686 WO2016079832A1 (fr) 2014-11-19 2014-11-19 Système de sondage destiné à un article à sonder, et procédé de sondage

Country Status (2)

Country Link
JP (1) JP5872742B1 (fr)
WO (1) WO2016079832A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010249567A (ja) * 2009-04-13 2010-11-04 Kurimoto Ltd 鋳造管竣工図作成システム
JP2012516132A (ja) * 2009-01-22 2012-07-12 クアルコム，インコーポレイテッド 無線送電におけるインピーダンス変化の検出
JP2013062895A (ja) * 2011-09-12 2013-04-04 Sony Corp 給電装置および給電システム
JP2014014218A (ja) * 2012-07-04 2014-01-23 Nakayo Telecommun Inc ワイヤレス給電型無線タグシステム

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012516132A (ja) * 2009-01-22 2012-07-12 クアルコム，インコーポレイテッド 無線送電におけるインピーダンス変化の検出
JP2010249567A (ja) * 2009-04-13 2010-11-04 Kurimoto Ltd 鋳造管竣工図作成システム
JP2013062895A (ja) * 2011-09-12 2013-04-04 Sony Corp 給電装置および給電システム
JP2014014218A (ja) * 2012-07-04 2014-01-23 Nakayo Telecommun Inc ワイヤレス給電型無線タグシステム

Also Published As

Publication number Publication date
JPWO2016079832A1 (ja) 2017-04-27
JP5872742B1 (ja) 2016-03-01

Similar Documents

Publication Publication Date Title
EP2096465B1 (fr) Système et procédé de détection de conducteur enterré
US9746572B2 (en) Electronic marker devices and systems
EP2096464B1 (fr) Système et procédé de détection de conducteur enterré
EP2096466B1 (fr) Détecteur pour la détection d'un conducteur transportant du courant et procédé de validation du fonctionnement du détecteur
KR102295246B1 (ko) 매설금속의 탐지 방법 및 그 탐지 장치
KR101014967B1 (ko) 차량의 주차 위치 안내 시스템 및 방법
JP6083965B2 (ja) 埋設物探査システム
JP5872742B1 (ja) 被探査物の探査システム、及び探査方法
JP6512799B2 (ja) 給電装置、制御方法及びプログラム
CN101446616B (zh) 查找电缆或管线故障点的方法及装置
JP2007279031A (ja) 地絡事故点探査装置及びそれを用いた地絡事故点探査方法
WO2005085902A1 (fr) Appareil et procede de detection d'un objet enterre au moyen d'une onde solitaire
KR101675140B1 (ko) 근거리 통신을 이용한 차량 위치 감지 장치 및 방법
CN212845973U (zh) 改进型线缆探测仪
JP2005522702A (ja) パラメトリック変換を用いて物体の位置を特定するための方法および装置
CN111045093A (zh) 一种具有演算分析功能的超深管线探测系统
JP3211547U (ja) 埋設物位置探査装置
CN111880230A (zh) 改进型线缆探测仪
JP2018524615A (ja) 磁気誘導を利用した地下環境変化感知方法、感知センサ、及び感知システム
US11300673B2 (en) Information processing apparatus and non-transitory computer readable medium
CN213023600U (zh) 一种地埋金属导体精确定位探测器
CN212905514U (zh) 一种深埋管线的探测装置
JP3207116U (ja) 埋設金属物体探査装置
JP2002048875A (ja) 埋設位置検出システムおよびそのための受信装置
JP6304119B2 (ja) 非接触給電システム

Legal Events

Date Code Title Description
ENP Entry into the national phase

Ref document number: 2015530204

Country of ref document: JP

Kind code of ref document: A

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 14906421

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 14906421

Country of ref document: EP

Kind code of ref document: A1