KR20060041152A - 액면검출장치 - Google Patents
액면검출장치 Download PDFInfo
- Publication number
- KR20060041152A KR20060041152A KR1020057009510A KR20057009510A KR20060041152A KR 20060041152 A KR20060041152 A KR 20060041152A KR 1020057009510 A KR1020057009510 A KR 1020057009510A KR 20057009510 A KR20057009510 A KR 20057009510A KR 20060041152 A KR20060041152 A KR 20060041152A
- Authority
- KR
- South Korea
- Prior art keywords
- resistor
- terminal
- liquid level
- contact
- perturbation
- Prior art date
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 33
- WOCIAKWEIIZHES-UHFFFAOYSA-N ruthenium(iv) oxide Chemical compound O=[Ru]=O WOCIAKWEIIZHES-UHFFFAOYSA-N 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 229910052946 acanthite Inorganic materials 0.000 abstract description 13
- 238000001514 detection method Methods 0.000 abstract description 13
- XUARKZBEFFVFRG-UHFFFAOYSA-N silver sulfide Chemical compound [S-2].[Ag+].[Ag+] XUARKZBEFFVFRG-UHFFFAOYSA-N 0.000 abstract description 13
- 229940056910 silver sulfide Drugs 0.000 abstract description 13
- 230000003094 perturbing effect Effects 0.000 abstract description 4
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical group [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000005476 soldering Methods 0.000 description 4
- 239000000446 fuel Substances 0.000 description 3
- 239000002828 fuel tank Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910000416 bismuth oxide Inorganic materials 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- TYIXMATWDRGMPF-UHFFFAOYSA-N dibismuth;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Bi+3].[Bi+3] TYIXMATWDRGMPF-UHFFFAOYSA-N 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229910001925 ruthenium oxide Inorganic materials 0.000 description 2
- 238000007650 screen-printing Methods 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- MOFOBJHOKRNACT-UHFFFAOYSA-N nickel silver Chemical compound [Ni].[Ag] MOFOBJHOKRNACT-UHFFFAOYSA-N 0.000 description 1
- 239000010956 nickel silver Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
- G01F23/32—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using rotatable arms or other pivotable transmission elements
- G01F23/36—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using rotatable arms or other pivotable transmission elements using electrically actuated indicating means
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Level Indicators Using A Float (AREA)
Abstract
Description
Claims (3)
- 액면의 변동에 따라 변위하는 가동접점, 회로기판에 상기 가동접점이 섭동하는 섭동부, 상기 섭동부에 접속되는 저항체, 및 단자가 접촉하는 접속부를 구비하고, 상기 가동접점이 상기 섭동부 상을 섭동함으로써 변화하는 상기 저항체의 저항값을 상기 접속부를 통하여 상기 단자로부터 출력하는 액면검출장치에 있어서,상기 접속부 중 적어도 상기 단자와 접촉되는 부분을 제 2 저항체로 덮은 것을 특징으로 하는 액면검출장치.
- 제 1 항에 있어서,상기 제 2 저항체의 저항값을 상기 저항체의 저항값보다 낮게 한 것을 특징으로 하는 액면검출장치.
- 제 2 항에 있어서,상기 제 2 저항체는 적어도 산화루테늄(RuO2)을 포함하고, 면적 저항율이 1.0 Ω/㎟ 이하인 것을 특징으로 하는 액면검출장치.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002347878A JP2004184097A (ja) | 2002-11-29 | 2002-11-29 | 液面検出装置 |
JPJP-P-2002-00347878 | 2002-11-29 | ||
PCT/JP2003/014687 WO2004051199A1 (ja) | 2002-11-29 | 2003-11-18 | 液面検出装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060041152A true KR20060041152A (ko) | 2006-05-11 |
KR101061625B1 KR101061625B1 (ko) | 2011-09-01 |
Family
ID=32462899
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020057009510A KR101061625B1 (ko) | 2002-11-29 | 2003-11-18 | 액면검출장치 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7111510B2 (ko) |
EP (1) | EP1566615A4 (ko) |
JP (1) | JP2004184097A (ko) |
KR (1) | KR101061625B1 (ko) |
CN (1) | CN1325884C (ko) |
WO (1) | WO2004051199A1 (ko) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7891435B2 (en) * | 1996-01-23 | 2011-02-22 | En-Gauge, Inc. | Remote inspection of emergency equipment stations |
US7174769B2 (en) * | 1996-01-23 | 2007-02-13 | Mija Industries, Inc. | Monitoring contents of fluid containers |
US8210047B2 (en) | 1996-01-23 | 2012-07-03 | En-Gauge, Inc. | Remote fire extinguisher station inspection |
JP5213343B2 (ja) * | 2007-03-22 | 2013-06-19 | 矢崎総業株式会社 | 抵抗板、および該抵抗板を備えた液面レベル検出装置 |
JP4959419B2 (ja) * | 2007-05-23 | 2012-06-20 | 矢崎総業株式会社 | 液面レベル検出装置 |
JP5078461B2 (ja) * | 2007-06-28 | 2012-11-21 | 矢崎総業株式会社 | 液面レベル検出装置 |
US8196656B2 (en) * | 2007-09-19 | 2012-06-12 | Welldynamics, Inc. | Position sensor for well tools |
US8981927B2 (en) | 2008-02-13 | 2015-03-17 | En-Gauge, Inc. | Object Tracking with emergency equipment |
US8749373B2 (en) | 2008-02-13 | 2014-06-10 | En-Gauge, Inc. | Emergency equipment power sources |
JP5230284B2 (ja) * | 2008-06-19 | 2013-07-10 | 矢崎総業株式会社 | 液面レベル検出装置 |
CN101738236B (zh) * | 2008-11-17 | 2011-09-28 | 张家港韩中深冷科技有限公司 | 低温槽车中液位计液相管路结构 |
JP5241020B2 (ja) * | 2009-03-17 | 2013-07-17 | 矢崎総業株式会社 | 液面レベル検出装置 |
JP5711599B2 (ja) * | 2010-10-22 | 2015-05-07 | 矢崎総業株式会社 | 液面レベル検出装置 |
JP5647021B2 (ja) * | 2011-01-24 | 2014-12-24 | 矢崎総業株式会社 | 液面レベル検出装置 |
JP5711598B2 (ja) * | 2011-01-24 | 2015-05-07 | 矢崎総業株式会社 | 液面レベル検出装置 |
US9041534B2 (en) | 2011-01-26 | 2015-05-26 | En-Gauge, Inc. | Fluid container resource management |
JP6119644B2 (ja) * | 2014-03-07 | 2017-04-26 | 株式会社デンソー | 液面検出装置用の可変抵抗器板、可変抵抗器板の製造方法、液面検出装置 |
US10405497B1 (en) | 2015-11-17 | 2019-09-10 | Cell Sign Technologies | Silo grain level sensor system |
DE102016213514A1 (de) * | 2016-07-22 | 2018-01-25 | Continental Automotive Gmbh | Passiver magnetischer Positionssensor |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2767264A (en) * | 1955-05-25 | 1956-10-16 | Ite Circuit Breaker Ltd | Contact arrangement for asymmetrical resistance |
IT8021649V0 (it) * | 1979-04-26 | 1980-04-24 | Plessey Handel Investment Ag | Perfezionamenti relativi a resistori variabili |
GB2083710B (en) * | 1980-09-09 | 1984-02-08 | Smiths Industries Ltd | Variable resistors for use in the sender units of vehicle liquid fuel gauges |
JPS59160718A (ja) | 1983-03-03 | 1984-09-11 | Nissan Motor Co Ltd | デイスプレイユニツト |
JPS6039201A (ja) | 1983-08-10 | 1985-03-01 | Mitsubishi Electric Corp | マニユアル操作装置 |
JP3129093B2 (ja) | 1994-08-05 | 2001-01-29 | トヨタ自動車株式会社 | フューエルセンダ用レジスタ基板の接続構造 |
IT1281356B1 (it) * | 1995-09-25 | 1998-02-18 | Magneti Marelli Spa | Circuito elettrico serigrafato, in particolare per uno strumento di misura |
JP2000136956A (ja) | 1998-10-30 | 2000-05-16 | Nippon Seiki Co Ltd | 液面検出装置及びそれに用いられる導体電極の製造方法 |
JP3555136B2 (ja) * | 2000-07-31 | 2004-08-18 | 日本精機株式会社 | 抵抗式液位計測装置 |
JP4240844B2 (ja) * | 2000-10-24 | 2009-03-18 | 株式会社デンソー | 摺動式検出器 |
CN100460835C (zh) * | 2001-11-12 | 2009-02-11 | 日本精机株式会社 | 液面检测装置 |
-
2002
- 2002-11-29 JP JP2002347878A patent/JP2004184097A/ja active Pending
-
2003
- 2003-11-18 KR KR1020057009510A patent/KR101061625B1/ko not_active IP Right Cessation
- 2003-11-18 CN CNB2003801039259A patent/CN1325884C/zh not_active Expired - Fee Related
- 2003-11-18 WO PCT/JP2003/014687 patent/WO2004051199A1/ja active Application Filing
- 2003-11-18 US US10/533,900 patent/US7111510B2/en not_active Expired - Lifetime
- 2003-11-18 EP EP03772887A patent/EP1566615A4/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
EP1566615A1 (en) | 2005-08-24 |
EP1566615A4 (en) | 2007-12-26 |
CN1325884C (zh) | 2007-07-11 |
JP2004184097A (ja) | 2004-07-02 |
CN1714281A (zh) | 2005-12-28 |
US20060042377A1 (en) | 2006-03-02 |
KR101061625B1 (ko) | 2011-09-01 |
US7111510B2 (en) | 2006-09-26 |
WO2004051199A1 (ja) | 2004-06-17 |
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