METHOD FOR PUTTING INTO OPERATION AND/OR CHECKING AN ULTRASOUND THROUGHFLOW MEASURING POINT

    公开(公告)号:US20220074784A1

    公开(公告)日:2022-03-10

    申请号:US17416168

    申请日:2019-11-21

    Abstract: A method for putting into operation and/or checking an ultrasonic, flow measuring point using a service unit, wherein the service unit has a display unit and a camera, wherein the measuring point includes a pipeline for conveying a medium and at least one ultrasonic transducer, includes identifying the measuring point vis a vis the service unit; ascertaining settable parameters based on the identity of the measuring point; registering geometric data of at least one part of the measuring point by means of the camera; analyzing registered geometric data and deriving at least one parameter value for at least one of the parameters to be set based on the analytical result and the identity; ascertaining at least one optimum mounting position based at least on the derived parameter value; and mounting an ultrasonic transducer at one of the ascertained optimum mounting positions.

    BERCLAMP-ON ULTRASONIC FLOWMETER
    12.
    发明公开

    公开(公告)号:US20230228603A1

    公开(公告)日:2023-07-20

    申请号:US18002376

    申请日:2021-06-16

    CPC classification number: G01F1/667 G01F1/662 G01F15/18 G01P5/241

    Abstract: A clamp-on ultrasonic flowmeter includes pairs of ultrasonic transducers arranged on an exterior of a pipeline, and an electronic measuring/operating circuit for operating the transducers and for registering and evaluating measurement signals and for providing measured values of volume flow or flow velocity. The pairs are implemented as 1-traverse or 2-traverse pairs. One-traverse pairs are arranged on opposite sides of the pipeline, and 2-traverse pairs are arranged on a same side of the pipeline. At least three pairs are arranged on the pipeline and are distributed peripherally. Adjoining pairs of a number of pairs have an inner angle down to a minimum inner angle (MIA) between one another measured about a pipeline axis, which minimum inner angle obeys the following relationship:


    MIA=360°/(T*N*F(T,N))

    with T as number of traverses and F(T,N)=0.38+0.62*T+(0.048−0.01*T{circumflex over ( )}2)*(N−2){circumflex over ( )}2.

    METHOD FOR ASCERTAINING AT LEAST ONE PIPE WALL RESONANCE FREQUENCY, AS WELL AS CLAMP-ON, ULTRASONIC, FLOW MEASURING DEVICE

    公开(公告)号:US20180149511A1

    公开(公告)日:2018-05-31

    申请号:US15569178

    申请日:2016-04-26

    Abstract: A method for ascertaining at least one pipe wall resonance frequency of a pipeline in the region of a measuring point by means of a field device of process measurements technology having at least a first ultrasonic transducer, which is placed on the pipeline at the measuring point, comprising steps as follows: providing a first transfer function Utransducer(f) at least of the first or a plurality of ultrasonic transducers located in the region of the measuring point; ascertaining a received spectrum Urec(f) from a received signal Urec(t) after transmission of an ultrasonic signal; ascertaining a second transfer function Umeasuring point(f) from the first transfer function Utransducer(f) of the first or the plurality of ultrasonic transducers and from the received spectrum Urec(f), wherein the second transfer function Umeasuring point(f) is characteristic for the measuring point; and ascertaining the at least one pipe wall resonance frequency fres, especially a plurality of resonance frequencies, in the region of the measuring point by evaluating the second transfer function Umeasuring point(f) from step III, as well as a clamp-on, ultrasonic, flow measuring device, a method for ascertaining flow, a method for ascertaining a change of the measuring point and an identification device.

    Method for ascertaining a compensated flow and/or a compensated flow velocity, ultrasonic, flow measuring device and computer program product

    公开(公告)号:US09970808B2

    公开(公告)日:2018-05-15

    申请号:US14898197

    申请日:2014-05-19

    CPC classification number: G01F25/0007 G01F1/66 G01F1/667

    Abstract: A method for ascertaining a compensated flow and/or a compensated flow velocity, wherein the compensation of a flow related measurement error occurs in the context of a flow measurement with a two path measuring of an ultrasonic, flow measuring device, comprising: an arrangement of at least two ultrasonic transducers pairs on a tube, or pipe, wherein the ultrasonic transducers are in a 180°, two path, one traverse, or a 90°, two path, two traverse arrangement, by means of an evaluation unit of a flow measuring device and/or a computer, characterized by steps as follows: a) feeding information relative to the type of a flow influencing, tube, or pipe, element into the evaluation unit and/or into the computer; b) feeding information relative to distance (xa-xd) of the arrangement of the ultrasonic transducer pairs from the flow influencing, tube, or pipe, element into the evaluation unit and/or into the computer; c) compensating a measurement error by means of a correction factor kD as a function of information from steps a) and b); and d) ascertaining a flow corrected by the correction factor kD and/or a flow velocity corrected by the correction factor kD, as well as an ultrasonic, flow measuring device and a computer program product.

    Ultrasonic, Flow Measuring Device
    16.
    发明申请

    公开(公告)号:US20170314977A1

    公开(公告)日:2017-11-02

    申请号:US15528903

    申请日:2015-11-03

    CPC classification number: G01F1/662 G01F1/667

    Abstract: A measuring tube, especially a measuring tube for an ultrasonic, flow measuring device, which measuring tube has a measuring tube wall and at least in certain regions a basic form with rotational symmetry or polygonal cross section and a straight measuring tube axis. The measuring tube includes at least one functional area for positioning a reflector, on which an acoustic signal is reflected on a signal path, and the functional area is formed integrally from the measuring tube wall. The functional area defines in at least one sectional view a circular segment, which serves as support for a reflector or the functional areas has stops, whose distal ends define in at least one sectional view a circular segment, which serves as support for a reflector, as well as an ultrasonic, flow measuring device and a method for manufacture of a measuring tube.

    Ultrasonic flow meter
    17.
    发明授权

    公开(公告)号:US09689727B2

    公开(公告)日:2017-06-27

    申请号:US14895391

    申请日:2014-05-19

    CPC classification number: G01F1/66 G01F1/662 G01F1/667

    Abstract: An ultrasonic flow meter comprising: a measurement pipe, which has a measurement pipe wall, at least in some parts a basic shape having a rotationally symmetric or polygonal cross-section, and a straight measurement pipe axis; a transmitter for transmitting an acoustic signal on a first signal path; and a receiver for receiving the acoustic signal on the first signal path. The measurement pipe has a plurality of reflection surfaces, by which the acoustic signal on the first signal path is reflected multiple times, and wherein the reflection surfaces are integrally formed from the measurement pipe wall, the reflection surfaces for reflecting the acoustic signal being designed in such a way that one or more of the reflection surfaces at least partially protrude into the basic shape of the measurement pipe and one or more of the reflection surfaces project outward at least from the basic shape of the measurement pipe.

    Ultrasonic, Flow Measuring Device
    18.
    发明申请
    Ultrasonic, Flow Measuring Device 有权
    超声波,流量测量装置

    公开(公告)号:US20150204704A1

    公开(公告)日:2015-07-23

    申请号:US14414813

    申请日:2013-06-07

    CPC classification number: G01F1/66 G01F1/662 G01F1/667

    Abstract: An ultrasonic, flow measuring device, comprising a measuring tube, a transmitter for sending an acoustic signal, a receiver for receiving the acoustic signal and a number of reflection surfaces, on which the acoustic signal is reflected. A first signal path is composed of straight subsections, wherein a) minimum separations of at least three subsections from the measuring tube axis lie in the range 0.4-0.6 r, wherein r is the inner radius of the measuring tube; b) a first subsection, which defines a first axially parallel plane, has a directly corresponding second subsection, which defines a second axially parallel plane, which two planes extend through a reflection surface and the normal vectors enclose an angle of less than 10°, c) a third subsection, which defines a third axially parallel plane, has a directly corresponding fourth subsection, which defines a fourth axially parallel plane, wherein the two planes extend through a second reflection surface and the normal vectors enclose an angle of less than 10°; and d) the signal path describes in axial plan view a polygon, whose lateral points of intersection lie within, on or outside of the measuring tube.

    Abstract translation: 一种超声波流量测量装置,包括测量管,用于发送声信号的发射器,用于接收声信号的接收器和反射表面的多个反射面。 第一信号路径由直线部分组成,其中a)至少三个子部分与测量管轴的最小间隔在0.4-0.6r的范围内,其中r是测量管的内半径; b)限定第一轴向平行平面的第一部分具有直接对应的第二子部分,其限定第二轴向平行平面,该两个平面延伸穿过反射表面,并且法向矢量包围小于10°的角度, c)限定第三轴向平行平面的第三子部分具有直接对应的第四子部分,其限定第四轴向平行平面,其中两个平面延伸穿过第二反射表面,并且法向矢量包围小于10°的角度 °; 和d)信号路径在轴向平面图中描述了一个多边形,其多边形的横向点位于测量管的内部或外部。

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