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    • 41. 发明申请
    • ULTRASONIC MEASURING ARRANGEMENT
    • 超声测量装置
    • WO2009129884A8
    • 2010-02-18
    • PCT/EP2009001245
    • 2009-02-20
    • MIB GMBH MESSTECHNIK UND INDUSWILL THOMASDEUTSCHER MARTIN
    • WILL THOMASDEUTSCHER MARTIN
    • G01F1/66G01N29/22
    • G01N29/024G01F1/667G01F15/006G01F15/18G01N2291/017G01N2291/02818G01N2291/02881G01N2291/102Y10T29/4998
    • The invention relates to an ultrasonic measuring arrangement (1) for the flow, speed of sound, density, viscosity and/or temperature measurement of flowing media, comprising a measurement tube (2) having a measurement section (3), said tube being disposed in an area of a measurement housing (4), wherein the ultrasonic measuring arrangement (1) comprises at least two ultrasound transmitting receivers disposed at a distance as sensors for sound transmission through the measurement section (3) in the direction of flow of a medium, and opposite thereto, and for signal recording. In order to provide an ultrasonic measuring arrangement (1) that is simple and inexpensive to produce, has a small nominal diameter and permits direct sound transmission through the measurement section (3) at as low a transmission output as possible, it is proposed that the measurement tube (3) be configured together with the measurement housing (4) as a one-piece housing part (5) free of seals and seams, and that the sound path form an acute angle with the flow direction of the medium.
    • 本发明涉及一种超声波测量装置(1)的流动,声速,密度,粘度和/或温度测量流动介质,具有测量部(3)在测量管的(2)(在测量壳体4的区域 设置),超声波测量装置从通传输中(3)和针对介质的流动方向和用于接收的至少两个信号测量部分的安排超声波收发器作为传感器隔开。 为了具有一个超声波测量装置(1)是可用的,这是简单和便宜的生产,具有小的公称直径,并且以尽可能低的传输功率直接通道Schallen所述测量部分(3)允许,所以建议在测量管(3)与所述 测量壳体(4)的密封件和无缝地作为一个整体壳体部分(5)形成,并且声音路径与所述介质的流动方向的锐角。
    • 42. 发明申请
    • ULTRASCHALL-MESSANORDNUNG
    • 超声测量装置
    • WO2009129884A1
    • 2009-10-29
    • PCT/EP2009/001245
    • 2009-02-20
    • MIB GMBH MESSTECHNIK UND INDUSTRIEBERATUNGWILL, ThomasDEUTSCHER, Martin
    • WILL, ThomasDEUTSCHER, Martin
    • G01F1/66G01N29/22
    • G01N29/024G01F1/667G01F15/006G01F15/18G01N2291/017G01N2291/02818G01N2291/02881G01N2291/102Y10T29/4998
    • Die Erfindung betrifft eine Ultraschall-Messanordnung (1) zur Durchfluss-, Schallgeschwindigkeits-, Dichte-, Viskositäts- und/oder Temperaturmessung fließfähiger Medien, mit einem eine Messstrecke (3) aufweisenden Messrohr (2), welches in einem Bereich eines Messgehäuses (4) angeordnet ist, wobei die Ultraschall-Messanordnung zur Durchschallung der Messstrecke (3) in und entgegen der Flussrichtung eines Mediums und zur Signalaufnahme mindestens zwei beabstandet angeordnete Ultraschall- Sendeempfänger als Sensoren aufweist. Um eine Ultraschall- Messanordnung (1) zur Verfügung zu haben, die einfach und günstig herzustellen ist, einen kleinen Nenndurchmesser aufweist und mit möglichst geringer Sendeleistung ein direktes Durchschallen der Messstrecke (3) gestattet, wird vorgeschlagen, dass das Messrohr (3) mit dem Messgehäuse (4) dichtungs- und nahtfrei als einstückiges Gehäuseteil (5) ausgebildet ist und dass der Schallweg mit der Flussrichtung des Mediums einen spitzen Winkel einschließt.
    • 本发明涉及一种超声波测量装置(1)的流动,声速,密度,粘度和/或温度测量流动介质,具有测量部(3)在测量管的(2)(在测量壳体4的区域 设置),超声波测量装置从通传输中(3)和针对介质的流动方向和用于接收的至少两个信号测量部分的安排超声波收发器作为传感器隔开。 为了具有一个超声波测量装置(1)是可用的,这是简单和便宜的生产,具有小的公称直径,并且以尽可能低的传输功率直接通道Schallen所述测量部分(3)允许,所以建议在测量管(3)与所述 测量壳体(4)的密封件和无缝地作为一个整体壳体部分(5)形成,并且声音路径与所述介质的流动方向的锐角。
    • 43. 发明申请
    • ULTRASONIC GENERATOR AND DETECTOR USING AN OPTICAL MASK FOR DETERMINING CHARACTERISTIC OF A SAMPLE
    • 超声波发生器和检测器使用光学掩模来确定样品的特性
    • WO0203046A3
    • 2009-07-16
    • PCT/US0120253
    • 2001-06-26
    • UNIV BROWN RES FOUND
    • MARIS HUMPHREY J
    • G01N21/00G01B11/06G01N21/55G01N29/22G01N29/24
    • G01N29/2418G01N29/22G01N2291/011G01N2291/0231G01N2291/02881G01N2291/0423
    • A system and method for determining characteristic of a sample (10) includes steps of placing a mask (16) over a surface of one film (14), where the mask (16) has a top surface and a bottom surface that is placed adjacent to the surface of the film (14). The bottom surface of the mask (16) has formed therein a plurality of features for forming a grating. Directs optical pump pulses (30) and probe pulses (32) through the mask (16) to the surface of the film (14). The pump pulses (30) are spatially distributed by the grating for launching a plurality of spatially distributed, time varying strain pulses within the film (14), which cause a change in optical constants of the film (14). Detects a reflected or transmitted portion (22B) of the probe pulses (32), which are also spatially distributed by the grating. Measures a change in characteristic of reflected or transmitted probe pulses (22B) due to the change in optical constants, and determines characteristic of the sample (10) from measured change.
    • 用于确定样品(10)的特性的系统和方法包括以下步骤:将掩模(16)放置在一个膜(14)的表面上,其中所述掩模(16)具有顶表面和邻近的底表面 到薄膜(14)的表面。 掩模(16)的底表面在其中形成有用于形成光栅的多个特征。 将光泵浦脉冲(30)和探针脉冲(32)通过掩模(16)引导到膜(14)的表面。 泵浦脉冲(30)由光栅在空间上分布,用于在膜(14)内发射多个空间分布的时变应变脉冲,这导致膜(14)的光学常数的变化。 检测由光栅空间分布的探测脉冲(32)的反射或透射部分(22B)。 测量由于光学常数的变化引起的反射或传输的探针脉冲(22B)的特性变化,并从测量的变化确定样品(10)的特性。
    • 45. 发明申请
    • METHOD AND DEVICE FOR DETERMINING CHARACTERISTICS OF A MEDIUM IN FORM OF A LIQUID OR A SOFT MATERIAL
    • 用于确定液体或软质材料形式的介质特性的方法和装置
    • WO2008034878A2
    • 2008-03-27
    • PCT/EP2007/059975
    • 2007-09-20
    • FACHHOCHSCHULE COBURGLINDNER, GerhardBAIER, MartinSIEWERT, BerndFISCHER, SebastianGRASER, RainerUNTERBURGER, Martin
    • LINDNER, GerhardBAIER, MartinSIEWERT, BerndFISCHER, SebastianGRASER, RainerUNTERBURGER, Martin
    • G01N29/02
    • G01N29/2462G01N29/022G01N29/032G01N2291/02818G01N2291/02881G01N2291/0423G01N2291/0427G01N2291/0428
    • The invention relates to a method and a device for determining characteristics of a medium in form of a liquid or a soft material, the method comprising the following steps: a) providing an acoustic waveguide defining an inner surface (11, 21) and an outer surface (12, 22) and delimiting an interior space (5) to be filled with the medium (L, L1, L2, LE) to be measured such that the inner surface (11, 21) of the waveguide forms an interface with the medium, b) providing a sender (3) for feeding acoustic wave energy into the waveguide, c) providing a receiver (4) for receiving surface acoustic waves propagating along the waveguide, d) exciting surface acoustic waves in the waveguide by means of the sender (3), e) converting at least a part of the energy associated with the surface acoustic waves (S1) into volume sound waves (S3) of the medium (L, L1, L2, LE), f) propagating both surface acoustic waves (S1, S2) and volume sound waves (S3) along a direction of extension (E) of the waveguide, g) reconverting at least a part of the energy associated with the volume sound waves (S3) into acoustic wave energy of the waveguide thereby generating surface acoustic waves (S1, S2), h) determining characteristics of the medium (L, L1, L2, LE) from a signal generated by the receiver (4) upon receipt of surface acoustic waves (S2); wherein a thickness (d) of the acoustic waveguide, defined as a distance between the inner surface (11, 21) and the outer surface (12, 22) of the acoustic waveguide, is such that concurrent surface acoustic waves are propagating on both the inner and the outer surface (11, 21; 12, 22) of the acoustic waveguide.
    • 本发明涉及一种用于确定液体或软材料形式的介质特性的方法和装置,该方法包括以下步骤:a)提供限定内表面(11,21)和外表面 表面(12,22)并且限定待被测量的介质(L,L1,L2,LE)填充的内部空间(5),使得波导的内表面(11,21)形成与 介质,b)提供用于将波浪能量馈送到波导中的发送器(3),c)提供用于接收沿着波导传播的表面声波的接收器(4),d)通过所述波导中的激波表面声波 发送器(3),e)将与表面声波(S1)相关联的能量的至少一部分转换成介质(L,L1,L2,LE)的体积声波(S3),f)传播两个表面声 沿着波导的延伸方向(E)的波(S1,S2)和音量声波(S3) e)g)将与音量声波(S3)相关联的能量的至少一部分重新转换成波导的声波能量,从而产生表面声波(S1,S2),h)确定介质(L,L1 ,L2,LE)从接收器(4)在接收到表面声波(S2)时产生的信号; 其特征在于,声波导的厚度(d)定义为声波导的内表面(11,21)和外表面(12,22)之间的距离,使得同时的表面声波在两个 内表面和外表面(11,21; 12,22)。
    • 47. 发明申请
    • DEVICE AND METHOD FOR THE DETECTION OF A SUBSTANCE IN A LIQUID
    • DEVICE AND METHOD FOR物质在液体检测
    • WO2007087936A2
    • 2007-08-09
    • PCT/EP2006069827
    • 2006-12-18
    • SIEMENS AGWEBER JAN
    • WEBER JAN
    • G01N29/22G01N29/02G01N29/32
    • G01N29/036G01N2291/0256G01N2291/02881
    • The invention relates to a device and a method for detecting a substance in a liquid. The inventive device comprises at least one piezo-acoustic resonator element (30; 40) encompassing at least one piezoelectric layer (310, 320; 410), electrodes (311, 312; 321, 322; 411, 412) contacting the piezoelectric layer, and at least one surface section (2a) which is equipped so as to accumulate the substance that is to be detected from the liquid. The piezo-acoustic resonator element (30; 40) is designed such that a volume vibration of the piezoelectric layer is excited at a resonant frequency by applying a voltage to the piezoelectric layer (310, 320; 410) by means of the electrodes, said resonant frequency changing in accordance with the mass of the substance that has accumulated and is to be detected. An evaluation unit (3) is provided for determining a characteristic accumulation value based on the measured resonant frequency. The inventive device further comprises an apparatus (4) for determining an influence of the temperature on the resonant frequency by taking measurements at least at two different vibrations, a first one of which depends on the mass and the temperature and a second one of which substantially depends exclusively on the temperature. In order to determine a characteristic accumulation value, the evaluation unit (3) is equipped so as to determine a temperature-independent characteristic accumulation value based on the measured values of the at least two measurements.
    • 本发明提供的装置和用于在液体中物质检测的方法。 该装置包括至少一个压电声波谐振器(30; 40),其具有至少一个压电层(310,320; 410),施加到压电层(311,312; 321,322; 411,412)和(至少一个表面部分2a 40)是这样的,(通过由压电层310,320上的电极的装置施加电压; 410)的体积的振荡,其被设置用于在添加物质),以从所述液体,由此压电声谐振器(30来检测 压电层与改变作为累积的质量的函数的谐振频率引起的,要被检测的物质,评估装置(3)提供了用于确定基于所测量的共振频率的另外特征值。 根据本发明,该设备还包括装置(4),用于通过测量至少两个不同的振动,检测在谐振频率的温度,其中的质量和温度的依赖关系,而第二振动基本上仅受温度的依赖关系,其中,所述评估装置的第一振动( 3)适于用于确定除了特征值,以确定基于所述至少两个测量值的测量值与温度无关的另外特征值。