JP2004251901A - 誘導的に動作するセンサの回路配置と該回路配置の操作方法 - Google Patents
誘導的に動作するセンサの回路配置と該回路配置の操作方法 Download PDFInfo
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- JP2004251901A JP2004251901A JP2004026207A JP2004026207A JP2004251901A JP 2004251901 A JP2004251901 A JP 2004251901A JP 2004026207 A JP2004026207 A JP 2004026207A JP 2004026207 A JP2004026207 A JP 2004026207A JP 2004251901 A JP2004251901 A JP 2004251901A
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- sensor
- sensors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
- G01D5/20—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
- G01D5/2006—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the self-induction of one or more coils
- G01D5/2013—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the self-induction of one or more coils by a movable ferromagnetic element, e.g. a core
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
- G01D5/20—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
- G01D5/2006—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the self-induction of one or more coils
- G01D5/202—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the self-induction of one or more coils by movable a non-ferromagnetic conductive element
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electronic Switches (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Induction Heating Cooking Devices (AREA)
- Electric Stoves And Ranges (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
【解決手段】 複数の誘導性ポットまたはソースパン検出コイル用の回路の場合に、制御および評価回路を提供する。金属酸化物半導体電界効果トランジスタの形態をとるスイッチを用いて、前記制御または評価回路は、いずれの場合も多重化操作において1個のコイルに接続される。金属酸化物半導体電界効果トランジスタは、低いドレーン−ソース抵抗を有して、コイルへの複数のリード線の過結合による共振回路周波数の偏移を防ぐ。
【選択図】図1
Description
12 接合部
13 基本発振回路
C1 第1の共振回路コンデンサ
C2 第2の共振回路コンデンサ
L1〜L4 コイル
S1〜S4 コイルのスイッチ
S5 第2の共振回路コンデンサのスイッチ
Claims (10)
- 複数の誘導的に動作するセンサを有する回路配置であって、切り換え手段と、前記センサの制御手段と、前記制御手段への応答として前記センサにより生成される信号を評価する手段とを有し、前記切り換え手段によって、前記制御手段と前記評価手段とが、いずれの場合も1個のセンサに電気的に接続される回路配置において、前記切り換え手段は、低いドレーン−ソース抵抗を有する金属酸化物半導体電界効果トランジスタによって構成される回路配置。
- センサ毎に正確に1個の切り換え手段が設けられる請求項1に記載の回路配置。
- 共振回路コンデンサを有しており、単一の共振回路コンデンサは、前記切り換え手段により、いずれの場合も全てのセンサに並列に接続されて測定周波数を生成しうる請求項1に記載の回路配置。
- 前記第1の共振回路コンデンサに並列な第2の共振回路コンデンサが設けられ、スイッチが配設されて、前記異なる共振回路コンデンサのスイッチ入れおよび切りを行なう請求項3に記載の回路配置。
- 前記共振回路コンデンサの前記スイッチ入れおよび切りは、測定周波数間において少なくとも8%の差を生成する請求項4に記載の回路配置。
- 前記センサは、調理区画におけるポットまたはソースパン検出センサであり、1個のセンサは、数回にわたって巻かれた環状ワイヤである請求項1に記載の回路配置。
- 複数の誘導的に動作するセンサを有する回路配置であって、切り換え手段と、前記センサの制御手段と、前記制御手段への応答として前記センサにより生成される信号を評価する手段とを有し、前記切り換え手段によって、前記制御手段と評価手段とが、いずれの場合も1個のセンサに電気的に接続され、前記切り換え手段は、低いドレーン−ソース抵抗を有する金属酸化物半導体電界効果トランジスタである回路配置の操作方法において、前記金属酸化物半導体電界効果トランジスタにおけるゲート制御電圧は、温度変動全体にわたって一定な周波数が得られるように再調節される方法。
- 測定は、2つの測定周波数を用いて行なわれる請求項7に記載の方法。
- 多数の測定値の平均をとることにより、確率が計算されるとともに、前記確率によって、ソースパンが存在するか否かが確証される請求項8に記載の方法。
- 2個の異なるコンデンサが、1個のセンサに並列に共振回路コンデンサとして接続されるとともに、異なる測定周波数を用いて操作される請求項9に記載の方法。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10305788A DE10305788A1 (de) | 2003-02-06 | 2003-02-06 | Schaltungsanordnung für induktiv arbeitende Sensoren und Verfahren zum Betrieb derselben |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2004251901A true JP2004251901A (ja) | 2004-09-09 |
Family
ID=32797355
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004026207A Pending JP2004251901A (ja) | 2003-02-06 | 2004-02-03 | 誘導的に動作するセンサの回路配置と該回路配置の操作方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US20040182852A1 (ja) |
EP (1) | EP1460386B1 (ja) |
JP (1) | JP2004251901A (ja) |
DE (1) | DE10305788A1 (ja) |
DK (1) | DK1460386T3 (ja) |
ES (1) | ES2401659T3 (ja) |
SI (1) | SI1460386T1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007017326A (ja) * | 2005-07-08 | 2007-01-25 | Siemens Kk | 自走移動体の高精度位置決めのための位置検出方法とそのための機構 |
JPWO2020026079A1 (ja) * | 2018-08-03 | 2020-02-06 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011018430B4 (de) * | 2011-04-21 | 2019-03-21 | Wenglor Sensoric Gmbh | Induktiver Näherungsschalter |
EP3713088A1 (en) | 2019-03-18 | 2020-09-23 | Koninklijke Philips N.V. | Inductive sensing arrangement |
DE102019219808A1 (de) | 2019-12-17 | 2021-06-17 | E.G.O. Elektro-Gerätebau GmbH | Verfahren zum Betrieb eines Kochgeräts und Kochgerät |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3943339A (en) * | 1974-04-29 | 1976-03-09 | Canoga Controls Corporation | Inductive loop detector system |
JPS61114488A (ja) * | 1984-11-09 | 1986-06-02 | 株式会社東芝 | 誘導加熱調理器 |
DE3543935A1 (de) * | 1985-12-12 | 1987-06-19 | Siemens Ag | Induktiver naeherungsschalter |
DE4004129A1 (de) * | 1990-02-10 | 1991-08-14 | Ego Elektro Blanc & Fischer | Einrichtung zum erkennen eines in einer heizzone eines koch- oder waermegeraetes aufgestellten kochgefaesses |
DK0469189T3 (da) | 1990-08-02 | 1996-01-29 | Oskar Locher Ag | Fremgangsmåde og indretning til styring af varmeelementer i et komfur |
US5179512A (en) * | 1991-09-18 | 1993-01-12 | General Electric Company | Gate drive for synchronous rectifiers in resonant converters |
JPH0653801A (ja) | 1992-07-31 | 1994-02-25 | Astecs Kk | 多重連結センサ回路 |
DE19603845B4 (de) * | 1996-02-05 | 2010-07-22 | E.G.O. Elektro-Gerätebau GmbH | Elektrischer Strahlungsheizkörper mit einem aktiven Sensor zur Kochgefäßerkennung |
FR2763116B1 (fr) * | 1997-05-07 | 1999-07-30 | Europ Equip Menager | Foyer de cuisson a detection de la presence d'un recipient |
TW526327B (en) * | 1998-02-19 | 2003-04-01 | Sumitomo Metal Ind | Detection apparatus and method of physical variable |
WO2000028337A2 (en) * | 1998-11-06 | 2000-05-18 | Onguard Systems, Inc. | Electronic circuit with a non-continuous discharge path |
US6512370B1 (en) * | 1999-02-12 | 2003-01-28 | Elf Engineering, Ltd. | Low power, frequency-mode magnetometer |
GB2349471B (en) | 1999-04-27 | 2003-08-06 | Ceramaspeed Ltd | Electric heater assembly |
US6529007B2 (en) * | 1999-08-04 | 2003-03-04 | Ellen Ott | Temperature compensation for ground piercing metal detector |
JP2001095247A (ja) * | 1999-09-21 | 2001-04-06 | Sony Corp | スイッチング電源回路 |
DE19947380A1 (de) * | 1999-10-01 | 2001-04-05 | Abb Research Ltd | Näherungssensor und Verfahren zu seinem Betrieb |
JP2003519849A (ja) * | 2000-01-05 | 2003-06-24 | インダクティブ シグナチュアー テクノロジーズ、 インコーポレイテッド | 誘導性ループ検出器における能動分離のための方法と装置 |
US6456067B1 (en) * | 2000-06-05 | 2002-09-24 | Eroomsystem Technologies, Inc. | Inductive product sensor for a refreshment center |
US6350971B1 (en) * | 2000-12-04 | 2002-02-26 | General Electric Company | Apparatus and method for detecting vessel movement on a cooktop surface |
US6724198B2 (en) * | 2000-12-21 | 2004-04-20 | G. Burnell Hohl | Inductive sensory apparatus |
US6642711B2 (en) * | 2001-01-24 | 2003-11-04 | Texas Instruments Incorporated | Digital inductive position sensor |
US6700389B2 (en) * | 2001-08-17 | 2004-03-02 | Delphi Technologies, Inc. | Temperature compensation of an inductive sensor |
US6653831B2 (en) * | 2001-11-20 | 2003-11-25 | Gentex Corporation | Magnetometer having a dynamically adjustable bias setting and electronic vehicle compass incorporating the same |
EP1338900A2 (en) * | 2002-02-21 | 2003-08-27 | National University of Ireland, Galway | An excitation circuit for a fluxgate sensor |
-
2003
- 2003-02-06 DE DE10305788A patent/DE10305788A1/de not_active Withdrawn
-
2004
- 2004-01-15 DK DK04000683.5T patent/DK1460386T3/da active
- 2004-01-15 EP EP04000683A patent/EP1460386B1/de not_active Expired - Lifetime
- 2004-01-15 SI SI200431997T patent/SI1460386T1/sl unknown
- 2004-01-15 ES ES04000683T patent/ES2401659T3/es not_active Expired - Lifetime
- 2004-01-29 US US10/767,562 patent/US20040182852A1/en not_active Abandoned
- 2004-02-03 JP JP2004026207A patent/JP2004251901A/ja active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007017326A (ja) * | 2005-07-08 | 2007-01-25 | Siemens Kk | 自走移動体の高精度位置決めのための位置検出方法とそのための機構 |
JPWO2020026079A1 (ja) * | 2018-08-03 | 2020-02-06 | ||
WO2020026079A1 (ja) * | 2018-08-03 | 2020-02-06 | 株式会社半導体エネルギー研究所 | 二次電池の異常検知システム |
JP7309717B2 (ja) | 2018-08-03 | 2023-07-18 | 株式会社半導体エネルギー研究所 | 二次電池の異常検知システム |
US11867503B2 (en) | 2018-08-03 | 2024-01-09 | Semiconductor Energy Laboratory Co., Ltd. | Anomaly detection system for secondary battery |
Also Published As
Publication number | Publication date |
---|---|
EP1460386A2 (de) | 2004-09-22 |
EP1460386B1 (de) | 2013-01-02 |
SI1460386T1 (sl) | 2013-03-29 |
US20040182852A1 (en) | 2004-09-23 |
DK1460386T3 (da) | 2013-04-08 |
DE10305788A1 (de) | 2004-09-02 |
ES2401659T3 (es) | 2013-04-23 |
EP1460386A3 (de) | 2006-03-29 |
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