JP6291635B2 - 金属材料判別装置 - Google Patents
金属材料判別装置 Download PDFInfo
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- JP6291635B2 JP6291635B2 JP2014022938A JP2014022938A JP6291635B2 JP 6291635 B2 JP6291635 B2 JP 6291635B2 JP 2014022938 A JP2014022938 A JP 2014022938A JP 2014022938 A JP2014022938 A JP 2014022938A JP 6291635 B2 JP6291635 B2 JP 6291635B2
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Description
2.........発振部
3.........振幅計測部
4.........周波数計測部
5.........計測データ処理部
6.........表示部
10.........LC共振回路
11.........検出コイル
12.........コンデンサ
Claims (2)
- 金属材料の違いを判別する金属材料判別装置であって、
検出コイルとコンデンサで構成するLC共振回路を有し、発振信号を出力する発振部と、
前記発振信号の振幅を計測する振幅計測部と、
前記発振信号の周波数を計測する周波数計測部と、
前記振幅計測部によって計測される振幅の変化量と、前記周波数計測部によって計測される周波数の変化量との比を、前記金属材料と前記検出コイルとの距離とは無関係に前記金属材料の違いに応じた値として算出し、前記金属材料の違いを判別する計測データ処理部と、
を備えることを特徴とする金属材料判別装置。 - 前記計測データ処理部は、前記金属材料と前記検出コイルとを接近させるときの複数点の前記周波数及び前記振幅の計測データから回帰直線を算出し、前記回帰直線の傾きを、前記金属材料の違いを判別する判別値とする
ことを特徴とする請求項1に記載の金属材料判別装置。
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JP2014022938A JP6291635B2 (ja) | 2014-02-10 | 2014-02-10 | 金属材料判別装置 |
Publications (2)
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JP2015148574A JP2015148574A (ja) | 2015-08-20 |
JP6291635B2 true JP6291635B2 (ja) | 2018-03-14 |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106645941A (zh) * | 2017-02-28 | 2017-05-10 | 上海嘉奕医学科技有限公司 | 一种模拟除颤仪贴片位置识别系统 |
CN106841378A (zh) * | 2017-03-07 | 2017-06-13 | 广西电网有限责任公司电力科学研究院 | 一种在役电力变压器导线材质原位无损鉴别方法 |
CN109917468A (zh) * | 2017-12-13 | 2019-06-21 | 中惠创智(深圳)无线供电技术有限公司 | 检测金属异物的系统、无线发射机及无线供电系统 |
CN112179436A (zh) * | 2020-09-28 | 2021-01-05 | 济南瑞泉电子有限公司 | 一种物联网水表机电分离检测方法 |
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GB8510732D0 (en) * | 1985-04-26 | 1985-06-05 | Univ Edinburgh | Oil debris monitor |
JPH0613876A (ja) * | 1992-06-26 | 1994-01-21 | Omron Corp | 近接スイッチ |
CA2342023C (en) * | 2000-04-10 | 2007-07-03 | Randox Laboratories Ltd. | Paramagnetic particle detection |
DE60236875D1 (de) * | 2001-08-27 | 2010-08-12 | Takamisawa Cybernetics | Einrichtung und verfahren zum identifizieren eines metallkörpers |
JP2012112751A (ja) * | 2010-11-24 | 2012-06-14 | Mitsubishi Electric Corp | 対象物の構成金属および対象物までの距離を検知するセンサおよび方法 |
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