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11. 发明授权

EP2656020B1 THERMISCHES DURCHFLUSSMESSGERÄT 有权
公开(公告)号：EP2656020B1
公开(公告)日：2020-04-01
申请号：EP11801994.2
申请日：2011-11-23
申请人： Endress+Hauser Flowtec AG
发明人： ARNOLD, Martin , WAGNER, Michel
IPC分类号： G01F1/696 , G01F1/698

12. 发明公开

EP4385292A1 TRANSMITTERGEHÄUSE EINES FELDGERÄTS 审中-实审
公开(公告)号：EP4385292A1
公开(公告)日：2024-06-19
申请号：EP22757231.0
申请日：2022-07-22
申请人： Endress + Hauser Flowtec AG
发明人： LALLA, Robert , TANNER, Werner , ARNOLD, Martin
IPC分类号： H05K7/14 , G01D11/24
CPC分类号： H05K7/1462 , G01D11/24 , H05K1/0278 , H05K2201/099920130101 , H05K2203/132720130101

13. 发明公开

EP2795262A1 VERFAHREN ZUR ERKENNUNG EINES TRÖPFCHENNIEDERSCHLAGS AN EINEM BEHEIZTEN TEMPERATURFÜHLER 有权
标题翻译：过程识别滴沉积在加热的探头
公开(公告)号：EP2795262A1
公开(公告)日：2014-10-29
申请号：EP12798226.2
申请日：2012-11-22
申请人： Endress+Hauser Flowtec AG
发明人： CHRISTODOULOU, Fanos , PFAU, Axel , ARNOLD, Martin , WAGNER, Michel
IPC分类号： G01F1/68 , G01F1/696 , G01K7/20
CPC分类号： G01K7/20 , G01F1/68 , G01F1/696 , G01F1/6965
摘要： Method for the recognition of a droplet deposition on a heated temperature sensor, in particular a thermal flow measuring device for the measurement of the flow of a fluid, characterised by the following process steps: determination of the largest value of a measurement for a thermal transfer from the heated temperature sensor to the fluid in a first time window of a specified length; checking of the values of the measurement for the measurement for the thermal transfer in the first time window for the presence of a value of the measurement for the thermal transfer in each case that are smaller than the difference from the largest value and the specified (Δ
1 ); use of the result of the check for the recognition of the droplet deposition.

15. 发明公开

EP3234519A1 THERMISCHES DURCHFLUSSMESSGERÄT MIT DIAGNOSEFUNKTION 有权
标题翻译： THERMISCHESDURCHFLUSSMESSGERÄTMIT诊断
公开(公告)号：EP3234519A1
公开(公告)日：2017-10-25
申请号：EP15808557.1
申请日：2015-12-03
申请人： Endress+Hauser Flowtec AG
发明人： ARNOLD, Martin , PFAU, Axel
IPC分类号： G01F25/00 , G01F1/684 , G01F1/69 , G01P5/12
CPC分类号： G01F1/696 , G01F1/6842 , G01F1/69 , G01F25/0007 , G01P5/12
摘要： The invention relates to a thermal flow meter (1), in particular for determining and/or monitoring the mass flow rate (Φ
Μ ) and/or the flow velocity (v
D ) of a flowable medium (3) through a pipeline (2), comprising at least three sensor elements (4a, 4b, 4c) and an electronics unit (9), and to a method for operating a thermal flow meter (1), wherein each of the at least three sensor elements (4a, 4b, 4c) is in thermal contact with the medium (3) at least partially and/or at times and comprises a heatable temperature sensor (5a, 5b, 5c), wherein the electronics unit (9) is designed to heat each of the three sensor elements (4a, 4b, 4c) with a heating power (P1, P2, P3), to sense the temperature (T1, T2, T3) of each of the heating elements, and to heat at least two of the at least three sensor elements (4a, 4b, 4c) simultaneously, to continuously determine the mass flow rate (Φ
Μ ) and/or the flow velocity (v
D ) of the medium (3), and to simultaneously make a statement about the state (D
1 , D
2 , D
3 ) of at least one of the at least three sensor elements (4a, 4b, 4c) on the basis of a comparison of the temperatures (T11, T12, ...) and/or heating powers (P11, P12, ...) in pairs, and, if a malfunction and/or formation of a coating occurs at at least one of the at least three sensor elements (4a, 4b, 4c), to perform a correction of the measured value for the mass flow rate (Φ
Μ ) and/or the flow velocity (v
D ) and/or to generate and output an indication of the state of the at least one sensor element (4a, 4b, 4c).
摘要翻译：本发明涉及一种热流量计（1），特别是用于确定和/或监测通过管道（2）的可流动介质（3）的质量流率（ΦM）和/或流速（V D））包括至少三个传感器元件（4a，4b，4c）和电子单元（9），并且涉及一种用于操作热式流量计（1）的方法，其中所述至少三个传感器元件（4a，4b ，4c）至少部分地和/或有时与介质（3）热接触并且包括可加热的温度传感器（5a，5b，5c），其中电子单元（9）被设计成加热三个（P1，P2，P3）的传感器元件（4a，4b，4c），以感测每个加热元件的温度（T1，T2，T3），并且加热至少三个传感器元件（4a，4b，4c）同时连续地确定介质（3）的质量流率（ΦM）和/或流速（V D），并且同时进行关于状态基于温度（T11，T12，...）和/或加热的温度（T11，T12，...）的比较，确定至少三个传感器元件（4a，4b，4c）中的至少一个的温度（D1，D2，D3）如果在至少三个传感器元件（4a，4b，4c）中的至少一个传感器元件处发生故障和/或形成涂层，则执行对功率（P11，P12，...）质量流率（ΦM）和/或流速（V D）的测量值和/或生成并输出至少一个传感器元件（4a，4b，4c）的状态的指示。

17. 发明公开

EP2656020A1 THERMISCHES DURCHFLUSSMESSGERÄT UND VERFAHREN ZUM BETREIBEN DESSELBEN 有权
标题翻译：热式流量计和方法及其操作方法
公开(公告)号：EP2656020A1
公开(公告)日：2013-10-30
申请号：EP11801994.2
申请日：2011-11-23
申请人： Endress+Hauser Flowtec AG
发明人： ARNOLD, Martin , WAGNER, Michel
IPC分类号： G01F1/696
摘要： The invention relates to a thermal flow measuring device and to a method for operating a thermal flow measuring device for determining the flow of a measurement medium through a measurement tube, wherein a constant heating current l
h of a first current source flows through a first resistor during a heating phase of prescribed length t
h during a first measurement cycle, said first resistor being exposed to the measurement medium, wherein a constant measurement current l
m of a second current source flows through the first resistor during a first measurement phase of prescribed length t
r,1 during the first measurement cycle, wherein a first voltage U
r,1 drops across the first resistor during the first measurement phase t
r,1 , wherein the constant measurement current l
m of the second current source flows through a second resistor during a second measurement phase of prescribed length t
r,2 during the first measurement cycle, said second resistor being exposed to the measurement medium, wherein a second voltage U
r,2 drops across the second resistor during the second measurement phase t
r,2 , wherein the constant heating current l
h of the first current source flows through a shunt resistor during the heating phase t
h , wherein a fifth voltage U
h,5 drops across the shunt resistor during the heating phase t
h , wherein at least the first voltage U
r,1 , the second voltage U
r,2 , and the fifth voltage U
r,5 are incorporated in the calculation of the flow rate, and wherein the constant heating current l
h of the first current source flows through a bypass resistor during the first measurement phase t
r,1 .

18. 发明授权

EP2795262B1 VERFAHREN ZUR ERKENNUNG EINES TRÖPFCHENNIEDERSCHLAGS AN EINEM BEHEIZTEN TEMPERATURFÜHLER 有权
公开(公告)号：EP2795262B1
公开(公告)日：2020-01-15
申请号：EP12798226.2
申请日：2012-11-22
申请人： Endress+Hauser Flowtec AG
发明人： CHRISTODOULOU, Fanos , PFAU, Axel , ARNOLD, Martin , WAGNER, Michel
IPC分类号： G01F1/68 , G01F1/696 , G01K7/20

19. 发明公开

EP3234515A1 THERMISCHES DURCHFLUSSMESSGERÄT MIT DIAGNOSEFUNKTION 有权
标题翻译： THERMISCHESDURCHFLUSSMESSGERÄTMIT诊断
公开(公告)号：EP3234515A1
公开(公告)日：2017-10-25
申请号：EP15804838.9
申请日：2015-12-07
申请人： Endress+Hauser Flowtec AG
发明人： ARNOLD, Martin , PFAU, Axel
IPC分类号： G01F1/684 , G01F25/00 , G01F1/692 , G01F1/696
CPC分类号： G01F1/6965 , G01F1/6842 , G01F1/692 , G01F25/0007
摘要： Thermal flowmeter (1), in particular for determining and/or monitoring the mass flow (Φ
Μ ) and/or the flow velocity (v
D ) of a flowable medium (3) through a pipeline (2), having at least three sensor elements (4a, 4b, 4c) and an electronic unit (9), wherein each of the at least three sensor elements (4a, 4b, 4c) is at least partially and/or occasionally in thermal contact with the medium (3) and comprises a heatable temperature sensor (5a, 5b, 5c), and wherein the electronic unit (9) is configured to heat each of the three sensor elements (4a, 4b, 4c) with a heating power (P1, P2, P3), to record the temperature (T1, T2, T3) thereof, to heat at least two of the at least three sensor elements (4a, 4b, 4c) at the same time, to determine the mass flow (Φ
Μ ) and/or the flow velocity (v
D ) of the medium (3), to make a statement on a change in the thermal resistance of at least one of the at least three sensor elements (4a, 4b, 4c) from a paired comparison of the temperatures (T1, T2, T3) and/or heating powers (P1, P2, P3) of the at least three sensor elements (4a, 4b, 4c) and/or at least one variable derived from at least one of the temperatures (T1, T2, T3) and/or heating powers (P1, P2, P3), to make a statement on a change in the internal thermal resistance of the at least one sensor element from a step response to a sudden change in the supplied heating power ΔΡ at at least one of the at least three sensor elements, and, if a change in the internal and/or external thermal resistance occurs at at least one of the at least three sensor elements (4a, 4b, 4c), to correct the measured value for the mass flow (Φ
Μ ) and/or the flow velocity (v
D ) and/or to generate and output a message relating to the state of the at least one sensor element.
摘要翻译：热流量计（1），尤其用于确定和/或监测通过管道（2）的可流动介质（3）的质量流量（ΦM）和/或流速（V D），具有至少三个传感器其中所述至少三个传感器元件（4a，4b，4c）中的每一个至少部分地和/或偶尔地与所述介质（3）热接触，并且其中所述传感器元件（4a，4b，4c）包括可加热温度传感器（5a，5b，5c），并且其中所述电子单元（9）被配置为利用加热功率（P1，P2，P3）加热所述三个传感器元件（4a，4b，4c）记录其温度（T1，T2，T3），同时加热至少三个传感器元件（4a，4b，4c）中的至少两个，以确定质量流量（ΦM）和/或（3）的流动速度（v D）进行比较，以根据温度的配对比较来表明至少三个传感器元件（4a，4b，4c）中的至少一个的热阻的变化 T1，T2，T3）和/或所述至少三个传感器元件（4a，4b，4c）的加热功率（P1，P2，P3）和/或从所述温度（T1，T2，T3）中的至少一个导出的至少一个变量和/ 或加热功率（P1，P2，P3）中的至少一个来对至少一个传感器元件的内部热阻的变化进行说明，以从对所供应的加热功率中的突然变化的阶跃响应ΔP 至少三个传感器元件，并且如果在至少三个传感器元件（4a，4b，4c）中的至少一个上发生内部和/或外部热阻的变化，则校正质量流量的测量值（ ΦM）和/或流速（V D）和/或生成并输出与至少一个传感器元件的状态有关的消息。

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