JP4688865B2 - 低電力超音波流量計 - Google Patents
低電力超音波流量計 Download PDFInfo
- Publication number
- JP4688865B2 JP4688865B2 JP2007504968A JP2007504968A JP4688865B2 JP 4688865 B2 JP4688865 B2 JP 4688865B2 JP 2007504968 A JP2007504968 A JP 2007504968A JP 2007504968 A JP2007504968 A JP 2007504968A JP 4688865 B2 JP4688865 B2 JP 4688865B2
- Authority
- JP
- Japan
- Prior art keywords
- power
- load
- power supply
- flow meter
- voltage
- 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
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/06—Indicating or recording devices
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Description
14 下流側超音波トランスデューサ
16 導管
34 ケーブル導管
40 流量計
46 電源装置
52 処理装置
70 電力調整回路
82 コンデンサ
84 制御サブシステム
86 制御増幅器
88、90 入力
92 ツェナーダイオード電圧クランプ
100: 安全限界
110、112 電圧検出器
Claims (9)
- 流量計(40)であって、
電源装置電圧を供給するループ電源装置(42)と、
負荷電圧によって給電される負荷(50)であって、少なくとも、流量を計算する処理装置(52)、超音波トランスデューサ電力回路(54)及び超音波トランスデューサ受信回路(58)を含む負荷(50)と、
前記ループ電源装置(42)と前記負荷(50)との間に配置された電力調整回路(70)と
を有し、
前記電力調整回路は、
前記電源装置電圧に応動して、制御信号に応じて前記負荷電圧を変える電力変換器(80)と、
前記電力変換器(80)と前記負荷(50)との間に配置されて、前記負荷によって必要とされないときは電力を蓄積し且つ前記負荷によって必要とされるときは電力を送り出す安全蓄電装置と、
前記負荷(50)による前記ループ電源装置(42)の設定に基づいて前記変換器に制御信号を供給する制御サブシステム(84)と
を含んでおり、
前記流量計(40)は、さらに、
前記負荷電圧を検出して、1つ以上の所定の設定点で電力消費を低減するように構成されている電力管理サブシステム(64)
を有する流量計(40)。 - 前記ループ電源装置(42)は4〜20mAのループ電源装置である、請求項1記載の流量計。
- 前記電力変換器(80)はスイッチング式電力変換器である、請求項1記載の流量計。
- 前記安全蓄電装置はコンデンサ(82)である、請求項1記載の流量計。
- 前記制御サブシステム(84)は、前記ループ電源装置(42)に接続された1つの入力及び基準電圧に接続された別の入力を持つ制御増幅器(86)を含んでいる、請求項1記載の流量計。
- 前記電力管理サブシステム(64)は低レベル電力管理部分を含んでいる、請求項1記載の流量計。
- 更に、前記負荷に接続されたトランスデューサ(56)を含んでいる請求項1記載の流量計。
- 更に、前記ループ電源装置に給電するための1つ以上の蓄電池を含んでいる、請求項1記載の流量計。
- 更に、前記ループ電源装置に給電するための1つ以上の太陽電池を含んでいる、請求項1記載の流量計。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/810,882 | 2004-03-26 | ||
US10/810,882 US7058521B2 (en) | 2004-03-26 | 2004-03-26 | Low power ultrasonic flow meter |
PCT/US2005/005816 WO2005103631A1 (en) | 2004-03-26 | 2005-02-23 | Low power ultrasonic flow meter |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2007530941A JP2007530941A (ja) | 2007-11-01 |
JP2007530941A5 JP2007530941A5 (ja) | 2011-02-24 |
JP4688865B2 true JP4688865B2 (ja) | 2011-05-25 |
Family
ID=34960993
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007504968A Expired - Fee Related JP4688865B2 (ja) | 2004-03-26 | 2005-02-23 | 低電力超音波流量計 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7058521B2 (ja) |
EP (1) | EP1733194A1 (ja) |
JP (1) | JP4688865B2 (ja) |
CN (1) | CN100419387C (ja) |
WO (1) | WO2005103631A1 (ja) |
Families Citing this family (55)
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DE10254054A1 (de) * | 2002-11-19 | 2004-06-03 | Endress + Hauser Flowtec Ag, Reinach | Vorrichtung zur Bestimmung und/oder Überwachung des Volumen- und/oder des Massendurchflusses eines Mediums |
US8538560B2 (en) | 2004-04-29 | 2013-09-17 | Rosemount Inc. | Wireless power and communication unit for process field devices |
JP4792851B2 (ja) * | 2004-11-01 | 2011-10-12 | 横河電機株式会社 | フィールド機器 |
DE102006009827B4 (de) * | 2006-03-01 | 2013-08-08 | KROHNE Meßtechnik GmbH & Co. KG | Nichteigensicher gespeistes Meßgerät |
KR101111903B1 (ko) * | 2007-02-20 | 2012-02-14 | 삼성전자주식회사 | 정착유니트 및 이를 채용한 화상형성장치 |
WO2009154748A2 (en) | 2008-06-17 | 2009-12-23 | Rosemount Inc. | Rf adapter for field device with low voltage intrinsic safety clamping |
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JP5255698B2 (ja) | 2008-06-17 | 2013-08-07 | ローズマウント インコーポレイテッド | 電圧降下が可変のフィールド機器用無線アダプタ |
US8929948B2 (en) | 2008-06-17 | 2015-01-06 | Rosemount Inc. | Wireless communication adapter for field devices |
US8390150B2 (en) * | 2008-07-15 | 2013-03-05 | Fisher-Rosemount Systems, Inc. | Field device interface with network protection mechanism |
EP2321813B1 (en) * | 2008-07-31 | 2014-09-03 | Micro Motion, Inc. | Bus instrument and method for predictively limiting power consumption in a two-wire instrumentation bus |
BRPI0922818B1 (pt) * | 2008-12-05 | 2019-09-10 | Cameron Technologies Limited | aparelho e método de produto químico |
US20100318007A1 (en) * | 2009-06-10 | 2010-12-16 | O'brien Donald J | Electromechanical tactile stimulation devices and methods |
US9674976B2 (en) | 2009-06-16 | 2017-06-06 | Rosemount Inc. | Wireless process communication adapter with improved encapsulation |
US8626087B2 (en) | 2009-06-16 | 2014-01-07 | Rosemount Inc. | Wire harness for field devices used in a hazardous locations |
US10761524B2 (en) | 2010-08-12 | 2020-09-01 | Rosemount Inc. | Wireless adapter with process diagnostics |
US9310794B2 (en) | 2011-10-27 | 2016-04-12 | Rosemount Inc. | Power supply for industrial process field device |
US20140195172A1 (en) * | 2013-01-04 | 2014-07-10 | Luraco Technologies, Inc. | Static Fluid Sensor in Communication with a Multi-Sensing Device and Method of Operating |
US11907484B2 (en) | 2015-06-22 | 2024-02-20 | Sigmasense, Llc. | Function and orientation identification for input/output (I/O) operative touch sensor device (TSD) |
US10704935B2 (en) * | 2016-12-04 | 2020-07-07 | Buoy Labs, Inc. | Fluid flow detector with tethered drag block |
US10838530B2 (en) | 2017-09-15 | 2020-11-17 | Sigmasense, Llc. | Touchscreen display with concurrent touch and display operations |
CN107966187A (zh) * | 2017-11-22 | 2018-04-27 | 广州奥格智能科技有限公司 | 一种液位仪超低功耗处理电路及其节能检测方法 |
US11635396B2 (en) | 2018-08-27 | 2023-04-25 | Sigmasense, Llc. | Sensing device with drive sense circuit and particle sensor and methods for use therewith |
US11914812B2 (en) | 2018-08-27 | 2024-02-27 | Sigmasense, Llc. | Current reference operative drive-sense circuit (DSC) |
US11099032B2 (en) * | 2018-08-27 | 2021-08-24 | Sigmasense, Llc. | Drive sense circuit with drive-sense line |
US11003205B2 (en) | 2019-02-04 | 2021-05-11 | Sigmasense, Llc. | Receive analog to digital circuit of a low voltage drive circuit data communication system |
US12007421B2 (en) | 2018-08-27 | 2024-06-11 | Sigmasense, Llc. | Load sensing circuit employing sink and sense configuration |
US10554215B1 (en) | 2019-03-26 | 2020-02-04 | Sigmasense, Llc. | Analog to digital conversion circuit with very narrow bandpass digital filtering |
US10895867B2 (en) | 2018-08-27 | 2021-01-19 | Sigmasense, Llc. | Analog world interfacing for automated systems |
US10845985B2 (en) | 2018-09-14 | 2020-11-24 | Sigmasense, Llc. | Identification in touch systems |
US10908718B2 (en) | 2018-09-14 | 2021-02-02 | Sigmasense, Llc. | Large touch screen display with integrated electrodes |
US11372510B2 (en) * | 2018-11-02 | 2022-06-28 | Sigmasense, Llc. | Multi-conductor touch system |
US10935585B2 (en) | 2018-11-19 | 2021-03-02 | Sigmasense, Llc. | Drive sense circuit with transient suppression |
US10852857B2 (en) | 2018-11-19 | 2020-12-01 | Sigmasense, Llc. | Frequency diverse e-pen for touch sensor and e-pen systems |
US10996728B2 (en) | 2019-01-04 | 2021-05-04 | Sigmasense, Llc. | Power supply signal conditioning system based on drive-sense circuit (DSC) processing |
US10831690B2 (en) | 2019-01-14 | 2020-11-10 | Sigmasense, Llc. | Channel allocation among low voltage drive circuits |
US10915483B2 (en) | 2019-01-14 | 2021-02-09 | Sigmasense, Llc. | Low voltage drive circuit with variable oscillating characteristics and methods for use therewith |
US11061082B2 (en) | 2019-03-18 | 2021-07-13 | Sigmasense, Llc. | Single line hall effect sensor drive and sense |
US10756578B1 (en) | 2019-05-31 | 2020-08-25 | Sigmasense, Llc. | Wireless power transfer with in-line sensing and control |
US11056930B2 (en) | 2019-05-31 | 2021-07-06 | Sigmasense, Llc. | Wireless power transfer and communications |
US11131714B2 (en) | 2019-05-31 | 2021-09-28 | Sigmasense, Llc. | Battery monitoring and characterization during charging |
US11126297B2 (en) | 2019-06-10 | 2021-09-21 | Sigmasense, Llc. | Electronic pen with ring-back and other functionalities |
US11555687B2 (en) | 2019-08-08 | 2023-01-17 | Sigmasense, Llc. | Capacitive imaging glove |
US10908641B1 (en) | 2019-10-09 | 2021-02-02 | Sigmasense, Llc. | Display generated data transmission from user device to touchscreen via user |
US11133811B2 (en) | 2019-11-08 | 2021-09-28 | Sigmasense, Llc. | High resolution analog to digital converter (ADC) with improved bandwidth |
US11190205B2 (en) | 2019-11-08 | 2021-11-30 | Sigmasense, Llc. | Single-ended direct interface dual DAC feedback photo-diode sensor |
US11935397B2 (en) | 2019-12-30 | 2024-03-19 | Sigmasense, Llc. | Organic and inorganic test system |
US11216109B2 (en) | 2020-01-07 | 2022-01-04 | Sigmasense, Llc. | Drive-sense control for extended sensor panels |
US11182038B2 (en) | 2020-04-08 | 2021-11-23 | Sigmasense, Llc. | Encoded data pattern touchscreen sensing system |
US11504535B2 (en) | 2020-06-03 | 2022-11-22 | Sigmasense, Llc. | Pacemaker operative to deliver impulses of pace signal and sense cardiac response via single conductor of pacemaker lead |
US11304002B2 (en) | 2020-08-12 | 2022-04-12 | Sigmasense, Llc. | Single transducer audio in/out device |
US11374587B1 (en) | 2021-02-25 | 2022-06-28 | Sigmasense, Llc. | Batteryless wireless sensor system |
US20220342513A1 (en) | 2021-04-23 | 2022-10-27 | Sigmasense, Llc. | Processing z-direction pressure indication of a passive pen |
US20220381842A1 (en) | 2021-06-01 | 2022-12-01 | Sigmasense, Llc. | Battery Serving Network with Multiple Loads with Individual Voltage Sensing at Each Load |
US11709563B2 (en) | 2021-10-26 | 2023-07-25 | Sigmasense, Llc. | Touch-based device with interlaced electrode grids |
Citations (4)
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JPS5926080B2 (ja) * | 1974-09-23 | 1984-06-23 | エヌ ベ− フイリツプス フル−イランペンフアブリケン | 測定用変換器との伝送用結合回路 |
JP2001153695A (ja) * | 1999-10-04 | 2001-06-08 | Krohne Messtech Gmbh & Co Kg | 測定器具のための接続回路 |
JP2004093371A (ja) * | 2002-08-30 | 2004-03-25 | Tokyo Gas Co Ltd | ガスメータおよび制御回路 |
JP2004530895A (ja) * | 2001-06-19 | 2004-10-07 | エンドレス ウント ハウザー フローテック アクチエンゲゼルシャフト | 粘度を測定するための装置 |
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-
2004
- 2004-03-26 US US10/810,882 patent/US7058521B2/en active Active
-
2005
- 2005-02-23 CN CNB2005800096836A patent/CN100419387C/zh not_active Expired - Fee Related
- 2005-02-23 WO PCT/US2005/005816 patent/WO2005103631A1/en active Application Filing
- 2005-02-23 JP JP2007504968A patent/JP4688865B2/ja not_active Expired - Fee Related
- 2005-02-23 EP EP05723624A patent/EP1733194A1/en not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5926080B2 (ja) * | 1974-09-23 | 1984-06-23 | エヌ ベ− フイリツプス フル−イランペンフアブリケン | 測定用変換器との伝送用結合回路 |
JP2001153695A (ja) * | 1999-10-04 | 2001-06-08 | Krohne Messtech Gmbh & Co Kg | 測定器具のための接続回路 |
JP2004530895A (ja) * | 2001-06-19 | 2004-10-07 | エンドレス ウント ハウザー フローテック アクチエンゲゼルシャフト | 粘度を測定するための装置 |
JP2004093371A (ja) * | 2002-08-30 | 2004-03-25 | Tokyo Gas Co Ltd | ガスメータおよび制御回路 |
Also Published As
Publication number | Publication date |
---|---|
JP2007530941A (ja) | 2007-11-01 |
EP1733194A1 (en) | 2006-12-20 |
CN100419387C (zh) | 2008-09-17 |
US7058521B2 (en) | 2006-06-06 |
CN1938568A (zh) | 2007-03-28 |
US20050235758A1 (en) | 2005-10-27 |
WO2005103631A1 (en) | 2005-11-03 |
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