JP5703376B2 - 自動分析装置 - Google Patents
自動分析装置 Download PDFInfo
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- JP5703376B2 JP5703376B2 JP2013519487A JP2013519487A JP5703376B2 JP 5703376 B2 JP5703376 B2 JP 5703376B2 JP 2013519487 A JP2013519487 A JP 2013519487A JP 2013519487 A JP2013519487 A JP 2013519487A JP 5703376 B2 JP5703376 B2 JP 5703376B2
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
- G01N35/1009—Characterised by arrangements for controlling the aspiration or dispense of liquids
- G01N35/1016—Control of the volume dispensed or introduced
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- 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
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- 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
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
- G01N35/1009—Characterised by arrangements for controlling the aspiration or dispense of liquids
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
- G01N35/1065—Multiple transfer devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
- G01N35/1009—Characterised by arrangements for controlling the aspiration or dispense of liquids
- G01N2035/1025—Fluid level sensing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
- G01N2035/1027—General features of the devices
- G01N2035/1048—General features of the devices using the transfer device for another function
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Thermal Sciences (AREA)
- Electromagnetism (AREA)
- Analytical Chemistry (AREA)
- Immunology (AREA)
- Pathology (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Automatic Analysis And Handling Materials Therefor (AREA)
Description
図9において、液面検知判定部214では、記憶した出力信号レベルを比較し、ある閾値以上の変化であった場合に液面211と試薬プローブ205とが接触したことを判定する。この判定に基づき移動機構109、移動機構110がプローブ205の移動停止を行う。プローブ205が単独で動作する場合には、図4に示すように、出力信号電圧波形に大きな脈動は存在せず、プローブ205の試薬液面への接触判定を高精度に行うことができる。説明のためプローブ205のみが動作する例を挙げたが、プローブ205はz方向に動作せず、プローブ301のみがz方向に単独で動作する場合も同様となる。
なお、信号電圧に重畳される信号成分が数Hz程度の低周波数の差である場合、高周波減衰部208で除去することはできない。既存の高周波減衰部208は、数Hz程度の周波数成分を有効に減衰できないからである。この場合は、周波数f1とf2の周波数差成分を除去し、かつ、液面接触信号は除去しない周波減衰部を設ければ、上記と同様の効果を達成することができる。
Claims (2)
- 試料を分析する自動分析装置において、
試料又は試薬を分注する複数の分注プローブと、
上記複数の分注プローブのそれぞれに設けられ、上記複数の分注プローブのそれぞれを上下移動させる複数の上下移動機構と、
上記複数の分注プローブのそれぞれに互いに特定の範囲の周波数の差を有する交流電圧を供給する複数の発振器と、
上記複数の発振器のそれぞれに設けられ、上記分注プローブの交流電圧に由来する前記特定の周波数成分を減衰させる周波減衰部と、
上記複数の分注プローブのそれぞれに設けられ、上記周波減衰部からの出力信号に基づいて、上記分注プローブが液体試料又は液体試薬の液面に接触したか否かを、接触に由来する電圧変化によって判定し、上記分注プローブが上記液面に接触したと判定したときには、上記上下移動機構の移動動作を停止させる液面検知判定部と、
を備えることを特徴とする自動分析装置。 - 請求項1に記載の自動分析装置において、
上記複数の発振器の互いの発振周波数の差は、1kHz以上1000kHz未満であることを特徴とする自動分析装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2013519487A JP5703376B2 (ja) | 2011-06-06 | 2012-06-04 | 自動分析装置 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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JP2011126427 | 2011-06-06 | ||
JP2011126427 | 2011-06-06 | ||
JP2013519487A JP5703376B2 (ja) | 2011-06-06 | 2012-06-04 | 自動分析装置 |
PCT/JP2012/064408 WO2012169469A1 (ja) | 2011-06-06 | 2012-06-04 | 自動分析装置 |
Publications (2)
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JPWO2012169469A1 JPWO2012169469A1 (ja) | 2015-02-23 |
JP5703376B2 true JP5703376B2 (ja) | 2015-04-15 |
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Country Status (5)
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US (1) | US9529009B2 (ja) |
EP (1) | EP2720045B1 (ja) |
JP (1) | JP5703376B2 (ja) |
CN (1) | CN103597359B (ja) |
WO (1) | WO2012169469A1 (ja) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2501056B (en) * | 2012-02-06 | 2016-11-02 | Stratec Biomedical Ag | Liquid level monitoring |
CH709489B1 (de) * | 2014-04-14 | 2021-04-30 | Tecan Trading Ag | Verfahren zur Durchführung einer kapazitiven Flüssigniveaumessung. |
WO2016130964A1 (en) | 2015-02-13 | 2016-08-18 | Abbott Laboratories | Decapping and capping apparatus, systems and methods for use in diagnostic analyzers |
CH711665B1 (de) | 2015-10-20 | 2020-01-15 | Tecan Trading Ag | Verfahren und Vorrichtung zum Detektieren einer Flüssigkeitskontaktierung. |
JP6589613B2 (ja) | 2015-12-10 | 2019-10-16 | いすゞ自動車株式会社 | リアクタンス測定装置 |
CN105700572A (zh) * | 2016-02-25 | 2016-06-22 | 武汉明德生物科技股份有限公司 | 一种高性能液面探测控制装置及*** |
CH712735A1 (de) * | 2016-07-22 | 2018-01-31 | Tecan Trading Ag | Pipettiervorrichtung mit einem Flüssigkeitsvolumensensor und Flüssigkeitsbearbeitungssystem. |
CN108931283B (zh) * | 2017-05-22 | 2021-01-08 | 九阳股份有限公司 | 一种水槽的水位检测方法和装置 |
CN112869556B (zh) * | 2021-01-12 | 2022-05-17 | 珠海格力电器股份有限公司 | 一种液位检测方法、装置、存储介质及水壶 |
CN112944734B (zh) * | 2021-03-01 | 2023-08-15 | 青岛海尔空调电子有限公司 | 空调压缩机油位确定方法和空调回油控制方法 |
US11988540B2 (en) * | 2022-08-15 | 2024-05-21 | Instrumentation Laboratory Co. | Liquid level detection based on tunable inductive-capacitive tank circuit |
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JPH0749984B2 (ja) * | 1989-04-18 | 1995-05-31 | シャープ株式会社 | 液体レベル検出装置 |
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JPH0815277A (ja) * | 1994-06-27 | 1996-01-19 | Toa Medical Electronics Co Ltd | 液定量採取装置 |
JPH08122126A (ja) | 1994-10-20 | 1996-05-17 | Toshiba Corp | 液面検知装置 |
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JP3914837B2 (ja) | 2002-07-10 | 2007-05-16 | 株式会社日立ハイテクノロジーズ | 自動分析装置 |
US7191647B2 (en) | 2003-10-30 | 2007-03-20 | Perkinelmer Las, Inc. | Method and apparatus to reject electrical interference in a capacitive liquid level sensor system |
JP2007114192A (ja) * | 2005-09-26 | 2007-05-10 | Fujifilm Corp | 液面検知装置 |
JP3873079B2 (ja) | 2006-01-27 | 2007-01-24 | 株式会社東芝 | 自動分析装置 |
JP5069867B2 (ja) * | 2006-04-11 | 2012-11-07 | 矢崎総業株式会社 | 液面レベル検出装置 |
JP2007322286A (ja) * | 2006-06-01 | 2007-12-13 | Olympus Corp | 分注装置 |
JP2007322394A (ja) * | 2006-06-05 | 2007-12-13 | Olympus Corp | 分注装置および自動分析装置 |
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US8225654B2 (en) * | 2009-07-01 | 2012-07-24 | Tecan Trading Ag | Self-compensating capacitive liquid level detector |
CN101881706B (zh) * | 2010-07-05 | 2014-04-02 | 深圳迈瑞生物医疗电子股份有限公司 | 一种采样设备及方法 |
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2012
- 2012-06-04 US US14/124,005 patent/US9529009B2/en active Active
- 2012-06-04 CN CN201280027708.5A patent/CN103597359B/zh active Active
- 2012-06-04 WO PCT/JP2012/064408 patent/WO2012169469A1/ja active Application Filing
- 2012-06-04 EP EP12796653.9A patent/EP2720045B1/en active Active
- 2012-06-04 JP JP2013519487A patent/JP5703376B2/ja active Active
Also Published As
Publication number | Publication date |
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CN103597359A (zh) | 2014-02-19 |
CN103597359B (zh) | 2016-01-20 |
JPWO2012169469A1 (ja) | 2015-02-23 |
WO2012169469A1 (ja) | 2012-12-13 |
EP2720045A1 (en) | 2014-04-16 |
EP2720045A4 (en) | 2014-11-12 |
US9529009B2 (en) | 2016-12-27 |
US20140123774A1 (en) | 2014-05-08 |
EP2720045B1 (en) | 2019-12-11 |
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