JP6251736B2 - 容量性レベルセンサ - Google Patents
容量性レベルセンサ Download PDFInfo
- Publication number
- JP6251736B2 JP6251736B2 JP2015516717A JP2015516717A JP6251736B2 JP 6251736 B2 JP6251736 B2 JP 6251736B2 JP 2015516717 A JP2015516717 A JP 2015516717A JP 2015516717 A JP2015516717 A JP 2015516717A JP 6251736 B2 JP6251736 B2 JP 6251736B2
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- Prior art keywords
- container
- liquid level
- level sensor
- deflector
- liquid
- 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.)
- Expired - Fee Related
Links
- 239000007788 liquid Substances 0.000 claims description 93
- 239000003990 capacitor Substances 0.000 claims description 41
- 239000012530 fluid Substances 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 claims 3
- 235000003642 hunger Nutrition 0.000 claims 1
- 230000037351 starvation Effects 0.000 claims 1
- 239000003153 chemical reaction reagent Substances 0.000 description 6
- 230000005684 electric field Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012886 linear function Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 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
- G01F23/22—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 measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/26—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 measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
- G01F23/263—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 measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors
-
- 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
- G01F23/22—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 measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/26—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 measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
- G01F23/263—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 measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors
- G01F23/266—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 measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors measuring circuits therefor
-
- 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
- G01F23/22—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 measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/26—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 measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
- G01F23/263—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 measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors
- G01F23/268—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 measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors mounting arrangements of probes
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Description
ベース部を有し、液体を受容する容器と、
液体の誘電率および前記容器内の前記液体の高さに基づいて、前記容器内の液体レベルを検出するキャパシタ配置と、
前記容器内で、前記ベース部から上部に延在する偏向器であって、前記容器の高さに垂直な平面は、前記ベース部で最大面積を有し、前記偏向器の上部に向かって面積が減少する偏向器と、
を有する液体レベルセンサが提供される。
いくつかの態様を記載しておく。
〔態様1〕
液体レベルセンサであって、
ベース部を有し、液体を受容する容器と、
前記液体の誘電率および前記容器内の前記液体の高さに基づいて、前記容器内の液体レベルを検出するキャパシタ配置と、
前記容器内で、前記ベース部から上部に延在する偏向器であって、前記容器の高さに垂直な平面は、前記ベース部で最大面積を有し、前記偏向器の上部に向かって面積が減少する偏向器と、
を有する液体レベルセンサ。
〔態様2〕
前記偏向器は、円錐またはフラストコニカルな外形状を有する、態様1に記載の液体レベルセンサ。
〔態様3〕
前記偏向器のベース面積は、前記容器のベース面積の少なくとも1/2である、態様1に記載の液体レベルセンサ。
〔態様4〕
前記偏向器は、前記容器の少なくとも1/2の高さ位置に延伸する、態様1に記載の液体レベルセンサ。
〔態様5〕
前記偏向器は、前記容器の全ての高さ位置に延伸する、態様1に記載の液体レベルセンサ。
〔態様6〕
前記偏向器の上部における面積は、前記偏向器のベース面積の1/2以下である、態様1に記載の液体レベルセンサ。
〔態様7〕
前記キャパシタ配置は、前記容器の周囲に一連の並列キャパシタ電極を有し、各電極は、前記容器の高さ方向に延伸し、電極の組は、2つのキャパシタ端子が存在するように相互に接続される、態様1に記載の液体レベルセンサ。
〔態様8〕
前記一連の並列キャパシタ電極は、前記容器の周囲に覆われた可撓性プリント回路基盤の上に形成された銅のトラックである、態様7に記載の液体レベルセンサ。
〔態様9〕
さらに、前記液体の誘電率を検出するため、前記容器に流体連通された第2の容器を有する、態様1に記載の液体レベルセンサ。
〔態様10〕
前記第2の容器は、前記容器の下側に配置されたシリンダを有する、態様9に記載の液体レベルセンサ。
〔態様11〕
前記第2の容器のシリンダは、1mmから5mmの範囲の内径を有する、態様10に記載の液体レベルセンサ。
〔態様12〕
前記第2の容器の周囲にキャパシタ電極配置を有する、態様9に記載の液体レベルセンサ。
〔態様13〕
前記容器は、10mmから20mmの範囲の内径、および10mmから40mmの範囲の高さを有するシリンダを有し、
前記偏向器は、
ベース直径が内部シリンダ径の75%から100%の範囲の円錐形状を有し、または
ベース直径が前記内部シリンダ直径の75%から100%であり、上部直径が前記内部シリンダ直径の60%未満であるフラストコニカルな形状を有する、態様1に記載の液体レベルセンサ。
〔態様14〕
前記偏向器は、フラストコニカルな形状を有し、
上部直径は、前記内部シリンダ直径の30%から60%の範囲である、態様13に記載の液体レベルセンサ。
Claims (14)
- 液体レベルセンサであって、
ベース部を有し、液体を受容する容器と、
前記液体の誘電率および前記容器内の前記液体の高さに基づいて、前記容器内の液体レベルを検出するキャパシタ配置であって、前記キャパシタ配置は前記容器の周囲に配される、キャパシタ配置と、
前記容器内で、前記ベース部から上部に延在する偏向器であって、前記容器の高さに垂直な平面は、前記ベース部で最大面積を有し、前記偏向器の上部に向かって面積が減少する偏向器と、
を有する液体レベルセンサ。 - 前記偏向器は、円錐またはフラストコニカルな外形状を有する、請求項1に記載の液体レベルセンサ。
- 前記偏向器のベース面積は、前記容器のベース面積の少なくとも1/2である、請求項1に記載の液体レベルセンサ。
- 前記偏向器は、前記容器の少なくとも1/2の高さ位置に延伸する、請求項1に記載の液体レベルセンサ。
- 前記偏向器は、前記容器の全ての高さ位置に延伸する、請求項1に記載の液体レベルセンサ。
- 前記偏向器の上部における面積は、前記偏向器のベース面積の1/2以下である、請求項1に記載の液体レベルセンサ。
- 前記キャパシタ配置は、前記容器の周囲に一連の並列キャパシタ電極を有し、各電極は、前記容器の高さ方向に延伸し、電極の組は、2つのキャパシタ端子が存在するように相互に接続される、請求項1に記載の液体レベルセンサ。
- 前記一連の並列キャパシタ電極は、前記容器の周囲に覆われた可撓性プリント回路基盤の上に形成された銅のトラックである、請求項7に記載の液体レベルセンサ。
- さらに、前記液体の誘電率を検出するため、前記容器に流体連通された第2の容器を有する、請求項1に記載の液体レベルセンサ。
- 前記第2の容器は、前記容器の下側に配置されたシリンダを有する、請求項9に記載の液体レベルセンサ。
- 前記第2の容器のシリンダは、1mmから5mmの範囲の内径を有する、請求項10に記載の液体レベルセンサ。
- 前記第2の容器の周囲にキャパシタ電極配置を有する、請求項9に記載の液体レベルセンサ。
- 前記容器は、10mmから20mmの範囲の内径、および10mmから40mmの範囲の高さを有するシリンダを有し、
前記偏向器は、
ベース直径がシリンダ内径の75%から100%の範囲の円錐形状を有し、または
ベース直径が前記シリンダ内径の75%から100%であり、上部直径が前記シリンダ内径の60%未満であるフラストコニカルな形状を有する、請求項1に記載の液体レベルセンサ。 - 前記偏向器は、フラストコニカルな形状を有し、
上部直径は、前記シリンダ内径の30%から60%の範囲である、請求項13に記載の液体レベルセンサ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201261659470P | 2012-06-14 | 2012-06-14 | |
US61/659,470 | 2012-06-14 | ||
PCT/IB2013/054742 WO2013186688A1 (en) | 2012-06-14 | 2013-06-10 | Capacitive level sensor |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015523565A JP2015523565A (ja) | 2015-08-13 |
JP6251736B2 true JP6251736B2 (ja) | 2017-12-20 |
Family
ID=48875106
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015516717A Expired - Fee Related JP6251736B2 (ja) | 2012-06-14 | 2013-06-10 | 容量性レベルセンサ |
Country Status (7)
Country | Link |
---|---|
US (1) | US20150122015A1 (ja) |
EP (1) | EP2861945A1 (ja) |
JP (1) | JP6251736B2 (ja) |
CN (1) | CN104364621A (ja) |
BR (1) | BR112014030876A2 (ja) |
RU (1) | RU2629540C2 (ja) |
WO (1) | WO2013186688A1 (ja) |
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US11020529B2 (en) * | 2015-07-31 | 2021-06-01 | Sanofi-Aventis Deutschland Gmbh | Sensor for a drug delivery device |
US11678812B1 (en) | 2015-08-17 | 2023-06-20 | Board Of Trustees Of The University Of Alabama, For And On Behalf Of The University Of Alabama In Huntsville | Systems and methods for monitoring hydration |
US11622717B1 (en) | 2015-08-17 | 2023-04-11 | Board Of Trustees Of The University Of Alabama, For And On Behalf Of The University Of Alabama In Huntsville | Systems and methods for monitoring physiological parameters with capacitive sensing |
US10433666B1 (en) | 2015-08-17 | 2019-10-08 | Board Of Trustees Of The University Of Alabama, For And On Behalf Of The University Of Alabama In Huntsville | Liquid container systems and methods for monitoring user hydration |
US11602019B2 (en) | 2015-09-16 | 2023-03-07 | Altria Client Services Llc | Cartridge with a capacity sensor |
JP6847928B2 (ja) * | 2015-09-16 | 2021-03-24 | フィリップ・モーリス・プロダクツ・ソシエテ・アノニム | 静電容量センサを有するカートリッジ |
US11291252B2 (en) * | 2015-12-18 | 2022-04-05 | Rai Strategic Holdings, Inc. | Proximity sensing for an aerosol delivery device |
CN108471812B (zh) * | 2016-02-12 | 2021-10-29 | 菲利普莫里斯生产公司 | 具有液体气溶胶形成基质识别的气溶胶生成系统 |
US11006668B2 (en) | 2016-02-12 | 2021-05-18 | Altria Client Services Llc | Aerosol-generating system with electrodes |
WO2018114849A1 (en) * | 2016-12-22 | 2018-06-28 | Philip Morris Products S.A. | Aerosol-generating system with pairs of electrodes |
US10952473B2 (en) | 2016-12-22 | 2021-03-23 | Altria Client Services Llc | Aerosol-generating system with pairs of electrodes |
US11013268B2 (en) | 2017-02-28 | 2021-05-25 | Altria Client Services Llc | Aerosol-generating system with electrodes and sensors |
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2013
- 2013-06-10 BR BR112014030876A patent/BR112014030876A2/pt not_active Application Discontinuation
- 2013-06-10 CN CN201380031105.7A patent/CN104364621A/zh active Pending
- 2013-06-10 US US14/403,688 patent/US20150122015A1/en not_active Abandoned
- 2013-06-10 WO PCT/IB2013/054742 patent/WO2013186688A1/en active Application Filing
- 2013-06-10 JP JP2015516717A patent/JP6251736B2/ja not_active Expired - Fee Related
- 2013-06-10 RU RU2014153011A patent/RU2629540C2/ru not_active IP Right Cessation
- 2013-06-10 EP EP13741850.5A patent/EP2861945A1/en not_active Withdrawn
Also Published As
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BR112014030876A2 (pt) | 2017-06-27 |
US20150122015A1 (en) | 2015-05-07 |
JP2015523565A (ja) | 2015-08-13 |
WO2013186688A1 (en) | 2013-12-19 |
CN104364621A (zh) | 2015-02-18 |
EP2861945A1 (en) | 2015-04-22 |
RU2629540C2 (ru) | 2017-08-29 |
RU2014153011A (ru) | 2016-08-10 |
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