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公开(公告)号：US10746579B2
公开(公告)日：2020-08-18
申请号：US16239587
申请日：2019-01-04
申请人： DIEHL METERING GMBH
发明人： Ulrich Gaugler , Frederik Neder
摘要： A fluid meter is operated, in particular, for flow quantity determination of a flowing medium. A flow quantity determination is carried out with the aid of a measuring arrangement. A sensor arrangement determines a position and/or inclination. An axial and/or angular position of the fluid meter in relation to at least one establishable axis and/or direction is determined by way of the sensor arrangement, and the axial and/or angular position is used for the correction of the measurement values of the measuring arrangement. In addition, a convection flow of the medium is determined in the fluid meter, and a corrective for the measurement values of the measuring arrangement is derived from the convection flow which has been determined.
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82.发明申请公开(公告)号：US20200182667A1
公开(公告)日：2020-06-11
申请号：US16660086
申请日：2019-10-22
申请人： DIEHL METERING GMBH
IPC分类号： G01F1/66
摘要： A method for evaluating discrete measurement data sequences of an ultrasonic flow measuring device having a recording frequency and ultrasound signal, includes determining time position or height of a maximum of a sinusoidal profile of a time sequence of evaluation values, determined as part of a measurement data sequence or cross-correlation of two sequences recorded at different positions of the device by determining a maximum evaluation value of the time sequence and evaluation values thereof adjacent thereto. Initial values, including an initial maximum value and time, are determined by quadratic fit of evaluation values. Output values including output time describing the position or output height describing the height of the maximum are determined by a determination relationship setting output values in relation with initial values and a calculation quantity formed from selected evaluation values for known recording frequency and known signal frequency and based on a known sinusoidal profile.
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公开(公告)号：US20200091908A1
公开(公告)日：2020-03-19
申请号：US16571648
申请日：2019-09-16
申请人： DIEHL METERING GMBH
发明人： STEFAN NICKL
IPC分类号： H03K17/10 , H03K17/689 , H03K17/785
摘要： A pulse generator has a galvanically isolated output, in particular for a consumption meter. A control output of a control unit of the pulse generator is coupled to an input of an opto-isolator of the pulse generator in order to output at the output of the opto-isolator an output current controlled by the control unit. The opto-isolator is connected to a field-effect transistor in such a way that the output current from the opto-isolator charges a capacitor via a rectifying component, which blocks the capacitor from discharging via the opto-isolator. The voltage drop across the capacitor is the gate voltage of the field-effect transistor. The field-effect transistor switches the output of the pulse generator directly or indirectly.
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公开(公告)号：US20200072773A1
公开(公告)日：2020-03-05
申请号：US16554666
申请日：2019-08-29
申请人： DIEHL METERING GMBH
IPC分类号： G01N25/18
摘要： A measurement device ascertains the thermal conductivity of a fluid. The device has a fluid volume holding the fluid, a controller, and a sensor module disposed in the fluid volume. The sensor module has a supporting body and a plurality of sensor wires that extend freely between in each case two contact positions of the supporting body. One of the sensor wires serves as a heat source and is able to be energized for this purpose by the controller. The controller is set up to capture, via at least two of the sensor wires that serve as temperature sensors and are arranged at different distances from the heat source, temperature measurement values that depend on the temperature at the respective temperature sensor, and to ascertain the thermal conductivity in dependence on the temperature measurement values.
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公开(公告)号：US10458824B2
公开(公告)日：2019-10-29
申请号：US15404821
申请日：2017-01-12
申请人： DIEHL METERING GMBH
摘要： An ultrasonic transducer arrangement has a housing for mounting the ultrasonic transducer arrangement in a through-hole in a housing of an ultrasonic water meter in a mounting plane. The housing of the meter contains an ultrasonic measuring section along which a transit time measurement can be carried out by the ultrasonic transducer arrangement. The ultrasonic transducer arrangement has a transducer body located in the housing for generating and/or receiving an acoustic signal, a housing wall assigned to the transducer body through which the acoustic signal runs, and an electrical contact for connecting the transducer body to a voltage or current source. The transducer body is positioned in the housing at an oblique angle with respect to the mounting plane. A holding device, which is oriented at an oblique angle with respect to the mounting plane is provided inside the housing, which exerts a holding force oriented towards the housing wall.
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公开(公告)号：US10359304B2
公开(公告)日：2019-07-23
申请号：US15637434
申请日：2017-06-29
申请人： DIEHL METERING GMBH
摘要： An ultrasonic meter for recording a through-flow rate of a fluid has a fluid inlet, a fluid outlet, and a flow channel connecting the inlet to the outlet. The flow channel has a measurement region which extends in a straight line in a flow direction. Between the measurement region and the fluid outlet, there is arranged a reflection element which is flowed around by the fluid and by which an ultrasonic signal is reflected into the measurement region. Between the measurement region and the reflection element, there is arranged a changeover region of the flow channel. In the changeover region a spacing between a central straight line of the measurement region and the side wall enlarges. The changeover region has, in the circumferential direction of the flow channel, several circumferential sections in which the enlargement of the spacing between the central straight line and the side wall takes place.
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公开(公告)号：US10337896B2
公开(公告)日：2019-07-02
申请号：US15813778
申请日：2017-11-15
申请人： DIEHL METERING GMBH
摘要： An ultrasonic meter detects a flow rate of a fluid. The ultrasonic meter has a fluid inlet, a fluid outlet and a flow passage connecting the fluid inlet to the fluid outlet. The flow passage has a measuring tube, which extends in a straight line in a flow direction. An inner wall of a side wall delimiting a flow cross section of the measuring tube has at least one groove, extending in the flow direction, which enlarges the flow cross section. The side wall has an aperture and/or a step exclusively within the groove, between a normal region and a recessed region in the flow direction. A groove depth of the groove is greater in the recessed region than in the normal region.
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公开(公告)号：US20190113375A1
公开(公告)日：2019-04-18
申请号：US16148309
申请日：2018-10-01
申请人： DIEHL METERING GMBH
发明人： PETER PLOSS , MICHAEL MAYLE , ANDREAS BENKERT
IPC分类号： G01F1/66
CPC分类号： G01F1/662
摘要： A measuring device for determining a fluid variable relating to a fluid or fluid flow includes a control device, a measuring tube receiving the fluid or fluid flow, and oscillation transducers spaced apart on the measuring tube. At least one oscillation transducer is drivable by the control device to excite a wave conducted through at least one side wall of the measuring tube, the conducted wave exciting compression oscillations of the fluid conducted through the fluid to the other oscillation transducer and recorded there by the control device to determine measurement data. The fluid variable can be determined by the control device as a function of the measurement data. At least one further side wall of the measuring tube has at least one recess extending in a flow direction and increasing a flow cross section of the measuring tube. A method for determining a fluid variable is also provided.
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公开(公告)号：US20190025112A1
公开(公告)日：2019-01-24
申请号：US16026120
申请日：2018-07-03
申请人： DIEHL METERING GMBH
发明人： PETER PLOSS , MICHAEL MAYLE
IPC分类号： G01F23/296 , G01F1/66 , G01N29/22 , G01N29/028 , G01N29/032
摘要： A measurement module determines a fluid quantity which relates to a property of a fluid located in or flowing through a measurement tube. The measurement module contains a base body, a control device and first and second oscillation transducers fastened at a distance from one another on the base body. The first and/or the second oscillation transducer is controlled by the control device to excite an oscillation of a side wall of the measurement tube when a contact face of the measurement module is coupled to the side wall of the measurement tube directly or via a coupling layer. The oscillation of the side wall excites compression oscillations of the fluid, which are conducted through the fluid to the respective other oscillation transducer and recorded the control device to determine a measurement quantity. The fluid quantity can be determined by the control device in dependence on the measurement quantity.
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公开(公告)号：US20180136024A1
公开(公告)日：2018-05-17
申请号：US15813778
申请日：2017-11-15
申请人： DIEHL METERING GMBH
IPC分类号： G01F1/66
摘要： An ultrasonic meter detects a flow rate of a fluid. The ultrasonic meter has a fluid inlet, a fluid outlet and a flow passage connecting the fluid inlet to the fluid outlet. The flow passage has a measuring tube, which extends in a straight line in a flow direction. An inner wall of a side wall delimiting a flow cross section of the measuring tube has at least one groove, extending in the flow direction, which enlarges the flow cross section. The side wall has an aperture and/or a step exclusively within the groove, between a normal region and a recessed region in the flow direction. A groove depth of the groove is greater in the recessed region than in the normal region.
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