JP6881705B2 - 液面検出機能付き計測プローブのクイック接続構造 - Google Patents
液面検出機能付き計測プローブのクイック接続構造 Download PDFInfo
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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
- 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
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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
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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
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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
- G01F23/265—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 for discrete levels
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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
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Description
本願は、2016年5月11日出願の米国仮出願62/334,776の優先権を主張する。この仮出願の全内容は本明細書に援用される。
さらに本願は、2016年2月19日出願の米国仮出願62/297,264、発明の名称“Single-Piece Transfer Arm Structure for Analytical Instrumentation”、及び、2016年5月12日出願の米国仮出願62/335,349、発明の名称“Clinical Analyzer Probe Crash Detection Mechanism and Process”にも関連し、これら仮出願の全内容も本明細書に援用される。
110 移送アーム
120 希釈ターンテーブル
130 反応ターンテーブル
140 試薬保管領域
210 プローブ
220 主管
225 電気絶縁ギャップ
230 副管
240 主管接触リング
250 副管接触リング
260 流体通路
270 流体配管封止面
305 モータコントローラ
310 架台
315 シャフト
320 結合具
325 容量性液面検出器
330 プローブガイド
332 内腔
335 プローブホルダ
340 固定具
345 圧縮バネ
347 バネポスト
350 配管
355 バネ付勢ピン
360 容量性液面検出印刷回路組立体(PCA)
365 磁石
Claims (17)
- 体外診断用医薬品環境の臨床分析装置の移送アームに使用する容量性液面検出器であって、
副管内に収められた主管を備え、該主管及び副管が、一組の電気絶縁面を形成する頭部を上端部位にそれぞれ有する、プローブと、
バネ付勢ピン形の複数の電気接触子及び該電気接触子を通して前記電気絶縁面と電気的に接続される容量性液面検出回路網を備えた容量性液面検出印刷回路組立体と、
前記移送アームにおいて前記プローブの上端部位を保持し、前記電気接触子と前記電気絶縁面との接触を許容するように構成されたプローブホルダと、
該プローブホルダに係合して前記プローブの上端部位を固定すると共に該固定により前記電気接触子と前記電気絶縁面との接触を確立するように構成された固定具とを備え、
前記容量性液面検出印刷回路組立体の容量性液面検出回路網は、前記プローブの容量変化を検出し、液面検出信号を、前記移送アームの動作を制御するように構成されたモータコントローラへ送信するように、構成されている、容量性液面検出器。 - 前記電気接触子のうちの第1の電気接触子が前記プローブの主管の電気絶縁面との接触により当該主管との間に回路を生成し、
前記電気接触子のうちの第2の電気接触子が前記プローブの副管の電気絶縁面との接触により当該副管を接地する、請求項1に記載の容量性液面検出器。 - 前記液面検出信号を受信した前記モータコントローラが前記移送アームを減速させる、請求項1又は2に記載の容量性液面検出器。
- 前記容量性液面検出印刷回路組立体がはんだ付けされた基板を備え、該基板が接地銅面で満たされている、請求項1〜3のいずれか1項に記載の容量性液面検出器。
- 前記移送アームは、水平方向に延伸した架台と、該架台にほぼ直交するシャフトとを備え、該架台及びシャフトが、前記移送アームの後部において結合具により互いに結合されており、
前記モーターコントローラは、前記シャフトに結合され、
前記容量性液面検出印刷回路組立体は、前記架台の下側部内に搭載されている、請求項1〜4のいずれか1項に記載の容量性液面検出器。 - 前記架台の下側部が銅塗布されており、搭載ネジを通して前記容量性液面検出印刷回路組立体へ接地されている、請求項5に記載の容量性液面検出器。
- 前記プローブホルダは、前記電気接触子と前記電気絶縁面との接触を許容するために、前記プローブの一組の電気絶縁面に対応する位置に空隙をもち、
前記プローブを通す垂直方向の内腔を備えたプローブガイドが提供され、該プローブガイドの前記内腔に直交する面が、前記移送アームの下側部に取り付けられており、
前記固定具は、前記プローブホルダ内にねじ込まれて該プローブホルダ内で前記プローブの上端部位を把持するように構成される、請求項1〜6のいずれか1項に記載の容量性液面検出器。 - 前記プローブの衝突を検出するバネ付勢機構の一部をなす少なくとも1つのバネ組立体が前記プローブホルダと前記移送アームとの間に設けられると共に、前記プローブホルダ及び前記プローブガイドを互いに固定するための1つ以上の磁石対が設けられる、請求項7に記載の容量性液面検出器。
- 体外診断用医薬品環境の臨床分析装置の容器において液体を検出するシステムであって、
水平方向に延伸した架台及び該架台にほぼ直交するシャフトを備えた移送アームであって、前記架台及び前記シャフトが当該移送アームの後部において結合具により互いに結合されている、移送アームと、
前記シャフトに結合されて前記移送アームの動作を制御するように構成されたモータコントローラと、
前記架台の下側部内に収容された容量性液面検出器とを備え、
前記容量性液面検出器は、
副管内に収められた主管を備え、該主管及び副管が、一組の電気絶縁面を形成する頭部を上端部位にそれぞれ有する、プローブと、
バネ付勢ピン形の複数の電気接触子を有し、該電気接触子を通して前記電気絶縁面と電気的に接続される容量性液面検出印刷回路組立体と、
前記移送アームにおいて前記プローブの上端部位を保持し、前記電気接触子と前記電気絶縁面との接触を許容するように構成されたプローブホルダと、
該プローブホルダに係合して前記プローブの上端部位を固定すると共に該固定により前記電気接触子と前記電気絶縁面との接触を確立するように構成された固定具とを備え、
前記容量性液面検出印刷回路組立体の回路網は、前記プローブの容量変化を検出し、液面検出信号を前記モータコントローラへ送信するように構成されている、システム。 - 前記電気接触子のうちの第1の電気接触子が前記プローブの主管の電気絶縁面との接触により当該主管との間に回路を生成し、
前記電気接触子のうちの第2の電気接触子が前記プローブの副管の電気絶縁面との接触により当該副管を接地する、請求項9に記載のシステム。 - 前記架台の下側部が銅塗布されており、搭載ネジを通して前記容量性液面検出印刷回路組立体へ接地されている、請求項9又は10に記載のシステム。
- 前記プローブホルダは、前記電気接触子と前記電気絶縁面との接触を許容するために、前記プローブの一組の電気絶縁面に対応する位置に空隙をもち、
前記プローブを通す垂直方向の内腔を備えたプローブガイドが提供され、該プローブガイドの前記内腔に直交する面が、前記移送アームの下側部に取り付けられており、
前記固定具は、前記プローブホルダ内にねじ込まれて該プローブホルダ内で前記プローブの上端部位を把持するように構成される、請求項9〜11のいずれか1項に記載のシステム。 - 前記プローブの衝突を検出するバネ付勢機構の一部をなす少なくとも1つのバネ組立体が前記プローブホルダと前記移送アームとの間に設けられると共に、前記プローブホルダ及び前記プローブガイドを互いに固定するための1つ以上の磁石対が設けられる、請求項12に記載のシステム。
- 体外診断用医薬品環境の臨床分析装置の容器における液体検出方法であって、
プローブの頭部と接触しているバネ付勢ピン形の複数の電気接触子を備えた容量性液面検出印刷回路組立体を用いてプローブの容量を監視し、
前記プローブは副管内に収められた主管を用いて構成し、これら副管及び主管のそれぞれの頭部に一組の電気絶縁面を形成してあり、
プローブホルダにより、前記臨床分析装置の移送アームにおいて前記プローブの頭部を保持し、
このプローブホルダに係合する固定具により、前記プローブの頭部を固定すると共に該固定により前記電気接触子及び前記電気絶縁面の接触を確立し、
前記プローブの容量変化が検出されたときに前記容量性液面検出印刷回路組立体からモータコントローラへ液面検出信号を送信することを含む、液体検出方法。 - 前記プローブの容量監視は、前記モータコントローラからの命令に従い開始される、請求項14に記載の液体検出方法。
- 前記容量性液面検出印刷回路組立体から前記液面検出信号を受信した前記モータコントローラが、前記移送アームを減速し、液体の所定深さへ前記プローブを到達させる、請求項14又は15に記載の液体検出方法。
- 前記プローブの容量変化検出は、所定のしきい値を上回る前記プローブの容量変化を検出する、請求項14〜16のいずれか1項に記載の液体検出方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201662334776P | 2016-05-11 | 2016-05-11 | |
US62/334,776 | 2016-05-11 | ||
PCT/US2017/032014 WO2017197021A1 (en) | 2016-05-11 | 2017-05-10 | Quick connection for liquid level sense-enabled metering probe |
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WO2017197021A1 (en) | 2017-11-16 |
US11231309B2 (en) | 2022-01-25 |
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