利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

914 条记录 (耗时 0.027 秒)

    VIBRONISCHER SENSOR
    11.
    发明公开
    VIBRONISCHER SENSOR 审中-公开
    VIBRONISCHER传感器

    公开(公告)号：EP3213041A1

    公开(公告)日：2017-09-06

    申请号：EP15756664.7

    申请日：2015-09-02

    申请人： Endress+Hauser GmbH+Co. KG

    发明人： KUHNEN, Raphael ,  HENKEL, Ira ,  WIMBERGER, Peter

    IPC分类号： G01F23/296 ,  G01N29/02 ,  G01N11/16 ,  H03H3/04 ,  G01N9/00

    CPC分类号： G01N29/022 ,  G01F23/2967 ,  G01F23/2968 ,  G01N9/002 ,  G01N11/16 ,  G01N29/07 ,  G01N29/222 ,  G01N29/46 ,  G01N2009/006 ,  G01N2291/014 ,  G01N2291/015 ,  G01N2291/02818 ,  G01N2291/0427

    摘要： Apparatus for determining and/or monitoring at least one process variable of a medium (2) in a container (3) with at least one vibratable unit (4), comprising at least one diaphragm (7) and at least one vibrating element (8), with a drive/receiving unit (5) which is configured to excite the mechanically vibratable unit (4) using an electrical excitation signal of an adjustable excitation frequency to vibrate in the vibration mode corresponding to the excitation frequency and to receive the mechanical vibrations from the vibratable unit (4) and to convert said vibrations into an electrical reception signal, and with an electronic unit (6) which is configured to generate the excitation signal on the basis of the reception signal and to determine the at least one process variable from the reception signal, wherein the diaphragm (7) is connected to the drive/receiving unit (5), wherein the vibrating element (8) has the form of a vibrating rod (9) onto which a paddle (10) is formed at the end, and which vibrating element (8) is fastened to the diaphragm (7) in the end region facing away from the paddle (10), and wherein the mass distribution, stiffness and/or geometry of the vibratable unit (4) are selected in such a manner that at least one vibration mode of the vibratable unit (4), which is higher than the vibration mode corresponding to the excitation frequency, is in the range between two adjacent integer multiples of the excitation frequency.

    摘要翻译： 1。一种用于确定和/或监测容器中的介质的至少一个过程变量的设备，包括至少一个具有至少一个隔膜的可振荡单元和至少一个振荡元件，驱动/接收单元，被实现为激励机械可振荡 通过可调节的激励频率的电激励信号来执行对应于激励频率的振荡模式下的振荡并且接收来自可振荡单元的机械振荡并将其转换为电接收信号;以及电子单元， 以产生激励信号，并根据接收到的信号确定至少一个过程变量。 膜与驱动/接收单元连接。 振动元件具有振荡杆的形状，桨叶终端形成在振动杆上，振动元件在远离桨叶的端部区域固定在膜上。 以这样的方式选择可振荡单元的质量分布，刚度和/或几何形状，使得参考对应于激励频率的振动模式的较高振荡单元的至少一个振动模式位于两个之间的范围内 相邻激励频率的整数倍数。

    DIFFERENZDRUCKSENSOR
    16.
    发明公开
    DIFFERENZDRUCKSENSOR 审中-公开

    公开(公告)号：EP3126805A1

    公开(公告)日：2017-02-08

    申请号：EP15712339.9

    申请日：2015-03-24

    申请人： Endress + Hauser GmbH + Co. KG

    发明人： THAM, Anh Tuan ,  KLÖFER, Peter ,  TEIPEN, Rafael ,  LEMKE, Benjamin

    IPC分类号： G01L13/02 ,  G01L19/06 ,  G01L19/14

    摘要： The invention relates to a differential pressure sensor (1) comprising a differential pressure measuring cell (2) with a measuring membrane (10), two counter elements (20, 30), between which the measuring membrane is arranged, and a converter (40) and comprising an elastic clamping device (50) that has two clamping surfaces (53), each of which acts on a counter element (20, 30) rear face (26, 36) facing away from the measuring membrane (10). The clamping device (50) has at least one elastic element (56, 58) via which the clamping surfaces (52, 54) are mechanically coupled in order to clamp the differential pressure measuring cell (2) by means of an axial clamping force. The clamping surfaces (52, 54) are dimensionally stable, and the clamping device (50) has a bracket with two clamping elements (60, 62), each of which has one of the clamping surfaces (52, 54). At least one of the clamping elements has an elastic element, and the clamping elements are connected to each other under tension in order to exert a clamping force onto the differential pressure measuring cell (2). The two clamping elements (60, 62) have a central dimensionally stable section (64, 66) which comprises the clamping surfaces (52, 54). Elastic sections adjoin the dimensionally stable section (64, 66) of at least one clamping element, in particular of both clamping elements, said elastic sections forming the elastic elements (56, 58).

    摘要翻译： 本发明涉及一种压差传感器（1），该压差传感器包括具有测量膜（10）的压差测量单元（2），布置有测量膜的两个计数器元件（20,30），以及转换器 ）并且包括具有两个夹紧表面（53）的弹性夹紧装置（50），每个夹紧表面作用在背对测量膜（10）的反面元件（20,30）背面（26,36）上。 夹紧装置（50）具有至少一个弹性元件（56,58），夹紧表面（52,54）通过该至少一个弹性元件机械地连接，以借助于轴向夹紧力来夹紧差压测量单元（2）。 夹紧表面（52,54）尺寸稳定，并且夹紧装置（50）具有带两个夹紧元件（60,62）的支架，每个夹紧元件具有夹紧表面（52,54）中的一个。 至少一个夹紧元件具有弹性元件，并且夹紧元件在张紧状态下彼此连接以将夹紧力施加到差压测量单元（2）上。 两个夹紧元件（60,62）具有包括夹紧表面（52,54）的中央尺寸稳定部分（64,66）。 弹性部分与至少一个夹紧元件，特别是两个夹紧元件的尺寸稳定部分（64,66）邻接，所述弹性部分形成弹性元件（56,58）。

    DRUCKSENSOR
    17.
    发明公开
    DRUCKSENSOR 有权

    公开(公告)号：EP3084381A1

    公开(公告)日：2016-10-26

    申请号：EP14796784.8

    申请日：2014-11-14

    申请人： Endress + Hauser GmbH + Co. KG.

    发明人： BECHER, Raimund ,  THAM, Anh Tuan ,  ROSSBERG, Andreas ,  SCHMIDT, Elke

    IPC分类号： G01L19/14

    CPC分类号： G01L19/142 ,  G01L9/0075

    摘要： The invention relates to a pressure sensor that can be used at low temperatures, in particular at temperatures below -70°C, comprising: a solid metal sensor body (1), having a front region (3) and a base (5) adjoining thereto, the front region (3) of which has a larger cross-sectional area than the base (5), and the front region (3) of which has an outer edge (11), which can be clamped by means of a fastening device to install the pressure sensor at the location of use; a recess (7), which is provided in the front region (3) and is open towards a front side of the front region (3) that faces away from the base (5); a metal measuring diaphragm (9, 9'), to which a pressure (p) to be measured is applied from outside during measurement operation and which can be deformed elastically depending on the pressure, is arranged on the front side of the sensor body (1), closes off the recess (7) from the outside, consists of the same metal as the sensor body (1) and is spaced apart from the outer edge (11) of the front region (3); and an electromagnetic transducer for detection, by means of measurement, of the pressure-dependent deformation of the measuring diaphragm (9, 9'), having at least one measuring element (55, 57), which is electrically isolated from the measuring diaphragm (9, 9') and the sensor body (1) by means of an insulating element (51, 53).

    摘要翻译： 本发明涉及一种可在低温下使用的压力传感器，尤其是在低于-70℃的温度下使用的压力传感器，其包括：固体金属传感器主体（1），其具有邻接的前部区域（3）和基部（5） 其前部区域（3）具有比基部（5）更大的横截面积，并且前部区域（3）具有外边缘（11），该外边缘（11）可以通过紧固件 装置将压力传感器安装在使用位置; （7），其设置在所述前部区域（3）中并且朝向所述前部区域（3）的远离所述基部（5）的前侧敞开; 在测量操作期间从外部施加待测压力（p）并且可根据压力弹性变形的金属测量隔膜（9,9'）布置在传感器主体的前侧上（ 1）从外部封闭凹槽（7），由与传感器本体（1）相同的金属构成，并且与前部区域（3）的外边缘（11）间隔开; 和电磁转换器，用于通过测量检测测量膜片（9,9'）的压力相关变形，其具有至少一个测量元件（55,57），该测量元件与测量膜片电隔离（ 9,9'）和传感器本体（1）之间通过绝缘元件（51,53）连接。

    RELATIVDRUCKSENSOR
    18.
    发明公开
    RELATIVDRUCKSENSOR 审中-公开
    相对压力传感器

    公开(公告)号：EP3084380A1

    公开(公告)日：2016-10-26

    申请号：EP14802371.6

    申请日：2014-11-14

    申请人： Endress + Hauser GmbH + Co. KG.

    发明人： RUPP, Armin ,  SCHONHARDT, Raphael ,  HÜGEL, Michael

    IPC分类号： G01L9/00 ,  G01L19/00 ,  G01L19/14

    CPC分类号： G01L9/0075 ,  G01L19/0023 ,  G01L19/144

    摘要： A relative pressure sensor (1) comprises: a pressure measuring cell (10) having a measuring diaphragm (12), a main body (14) which is connected to said measuring diaphragm, and a measuring chamber between said measuring diaphragm and main body, a reference pressure being applied to said measuring chamber by means of a reference pressure channel (18) which runs from a rear face (16) of the main body (14) through the main body (14); a clamping ring (38); and a housing (40) which has at least one housing body (42) with a measuring cell chamber (46), wherein the pressure measuring cell (10) is clamped in the measuring cell chamber (46) by the clamping ring (38), wherein the housing has a reference air opening (48) which communicates with the reference pressure channel (18) by means of a reference air path which has a path volume which is separate from the volume of the measuring cell chamber, wherein the reference air path has a section which runs along the rear face of the main body, wherein the section is bounded by the rear face of the main body and a guide body, which guide body is clamped in against the rear face of the main body and covers an opening of the reference pressure channel (18) in the rear face of the main body.

    DRUCKSENSOR
    19.
    发明公开
    DRUCKSENSOR 有权

    公开(公告)号：EP3080571A1

    公开(公告)日：2016-10-19

    申请号：EP14798860.4

    申请日：2014-11-14

    申请人： Endress+Hauser GmbH+Co. KG

    发明人： ROSSBERG, Andreas ,  TEXTOR, Olaf ,  WOSNITZA, Elmar

    IPC分类号： G01L9/00

    CPC分类号： G01L9/0072 ,  G01L9/0051

    摘要： A pressure sensor (1) comprises a measuring diaphragm (2), which can be deformed on the basis of the pressure, and a mating body (3) which are connected to one another in a pressure-tight manner and form a measuring chamber (5) in which a reference pressure is present, wherein a pressure can be applied to an outside of the measuring diaphragm (2), wherein the pressure sensor (1) has a capacitive transducer having at least one mating body electrode (8, 9) and at least one diaphragm electrode (7), wherein, above a pressure limit value for the pressure, at least one central surface section of the measuring diaphragm (2) rests against the mating body with a contact surface (A(p)), the size of which is dependent on the pressure, wherein the pressure sensor also has a resistive transducer for converting a pressure-dependent deformation of the measuring diaphragm, when pressed in a range of values above the pressure limit value, into an electrical signal using an electrical resistance which is dependent on the contact surface of the measuring diaphragm (2) on the mating body (3).

    摘要翻译： 压力传感器（1）包括可以基于压力变形的测量膜片（2）和配合体（3），配合体（3）以压力密封的方式彼此连接并形成测量室 所述压力传感器（1）具有电容式换能器，所述电容式换能器具有至少一个配合的本体电极（8,9），所述配合的本体电极（8,9） 和至少一个隔膜电极（7），其中，在压力的压力极限值以上，测量隔膜（2）的至少一个中心表面部分以接触表面（A（p））抵靠在配合体上， 其尺寸取决于压力，其中压力传感器还具有电阻传感器，用于当在高于压力极限值的值范围内按压时，测量膜片的压力相关变形转换成电信号，使用 我的电阻 s取决于配合体（3）上的测量膜片（2）的接触表面。