JP2001506755A - 渦電流測定機構 - Google Patents
渦電流測定機構Info
- Publication number
- JP2001506755A JP2001506755A JP52724498A JP52724498A JP2001506755A JP 2001506755 A JP2001506755 A JP 2001506755A JP 52724498 A JP52724498 A JP 52724498A JP 52724498 A JP52724498 A JP 52724498A JP 2001506755 A JP2001506755 A JP 2001506755A
- Authority
- JP
- Japan
- Prior art keywords
- eddy current
- permanent magnet
- measurement mechanism
- magnetized
- drive shaft
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
- G01P3/49—Devices characterised by the use of electric or magnetic means for measuring angular speed using eddy currents
- G01P3/495—Devices characterised by the use of electric or magnetic means for measuring angular speed using eddy currents where the indicating means responds to forces produced by the eddy currents and the generating magnetic field
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
- G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
- G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
- G01P3/487—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals delivered by rotating magnets
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.特にタコメータ用の渦電流測定機構であって、駆動軸に相対回動不能に固定 されて半径方向に磁化された永久磁石を有しており、該永久磁石に被さって指針 軸上に配置された、導電性の材料から成るベル形状の渦電流部材と、駆動軸の回 転数を測定するためのホール素子とを有している形式のものにおいて、 少なくとももう1つの永久磁石(8)がホール素子(10,11,12)を 励起するために設けられていることを特徴とする渦電流測定機構。 2.ホール素子(10,11,12)のための永久磁石(8)が駆動軸(3)を 環状に取り囲んで構成されている、請求項1記載の渦電流測定機構。 3.ホール素子(10,11,12)のための永久磁石(8)が、渦電流部材( 2)のための永久磁石(4)とは反対側で軸方向に磁化されている、請求項1ま たは2記載の渦電流測定機構。 4.ホール素子(10)のための永久磁石(8)が、渦電流部材(2)のための 永久磁石(4)に接触している、請求項1から3までのいずれか1項記載の渦電 流測定機構。 5.ホール素子(11,12)のための永久磁石(8)が、渦電流部材(2)の ための永久磁石(4)か らわずかな間隔を置いて配置されている、請求項1から4までのいずれか1項記 載の渦電流測定機構。 6.互いに間隔を置いて配置された複数のホール素子(11,12)が、駆動軸 (3)の回転数または回転角を検出するために設けられている、請求項1から5 までのいずれか1項記載の渦電流測定機構。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19652082.7 | 1996-12-14 | ||
DE1996152082 DE19652082A1 (de) | 1996-12-14 | 1996-12-14 | Wirbelstrommesswerk |
PCT/EP1997/006772 WO1998027436A1 (de) | 1996-12-14 | 1997-12-04 | Wirbelstrommesswerk |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2001506755A true JP2001506755A (ja) | 2001-05-22 |
Family
ID=7814726
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP52724498A Pending JP2001506755A (ja) | 1996-12-14 | 1997-12-04 | 渦電流測定機構 |
Country Status (7)
Country | Link |
---|---|
JP (1) | JP2001506755A (ja) |
KR (1) | KR100733162B1 (ja) |
CN (1) | CN1120374C (ja) |
BR (1) | BR9714011A (ja) |
DE (1) | DE19652082A1 (ja) |
MY (1) | MY128316A (ja) |
WO (1) | WO1998027436A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1527350A1 (de) * | 2002-08-01 | 2005-05-04 | Sentron Ag | Magnetfeldsensor und verfahren zum betrieb des magnetfeldsensors |
JP2004219383A (ja) * | 2003-01-17 | 2004-08-05 | Central Japan Railway Co | 車輪速度検知システム |
DE102006047896A1 (de) * | 2006-10-10 | 2008-04-17 | Volkswagen Ag | Anzeigeeinrichtung mit einer bewegbaren Zeigereinrichtung und einem Antrieb für die Zeigereinrichtung |
US20150035517A1 (en) * | 2013-07-30 | 2015-02-05 | Delphi Technologies, Inc. | Vehicle instrument panel with magnet equipped pointer |
WO2016151538A2 (en) * | 2015-03-25 | 2016-09-29 | Krugel Daniel Rudolph | A method and device for detecting a material |
KR20230053391A (ko) | 2021-10-14 | 2023-04-21 | 현대자동차주식회사 | 영구자석 와전류 손실 측정장치 및 방법 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT8053356V0 (it) * | 1980-07-03 | 1980-07-03 | Borletti Spa | Perfezionamento ad un dispositivo tachimetrico pilotato da un motore elettrico |
KR0108468Y1 (en) * | 1993-07-26 | 1995-02-18 | Jung Young Choon | Brushless dc motor |
DE4339599A1 (de) | 1993-11-20 | 1995-06-01 | Vdo Schindling | Wirbelstrom-Meßwerk |
DE4440214C2 (de) * | 1994-11-10 | 1997-08-14 | Itt Ind Gmbh Deutsche | Drehgeber mit Hallsensoren |
-
1996
- 1996-12-14 DE DE1996152082 patent/DE19652082A1/de not_active Withdrawn
-
1997
- 1997-12-04 BR BR9714011-2A patent/BR9714011A/pt not_active IP Right Cessation
- 1997-12-04 KR KR1019997004776A patent/KR100733162B1/ko not_active IP Right Cessation
- 1997-12-04 CN CN 97180620 patent/CN1120374C/zh not_active Expired - Fee Related
- 1997-12-04 JP JP52724498A patent/JP2001506755A/ja active Pending
- 1997-12-04 WO PCT/EP1997/006772 patent/WO1998027436A1/de not_active Application Discontinuation
- 1997-12-11 MY MYPI9705980 patent/MY128316A/en unknown
Also Published As
Publication number | Publication date |
---|---|
MY128316A (en) | 2007-01-31 |
WO1998027436A1 (de) | 1998-06-25 |
CN1240513A (zh) | 2000-01-05 |
BR9714011A (pt) | 2000-05-09 |
DE19652082A1 (de) | 1998-06-18 |
KR100733162B1 (ko) | 2007-06-27 |
KR20000057320A (ko) | 2000-09-15 |
CN1120374C (zh) | 2003-09-03 |
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