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31. 发明专利

JP2013190325A Differential pressure transmitter 有权
标题翻译：差压变送器
公开(公告)号：JP2013190325A
公开(公告)日：2013-09-26
申请号：JP2012056754
申请日：2012-03-14
申请人： Azbil Corp , アズビル株式会社
发明人： TOJO HIROSHI
IPC分类号： G01L13/00 , G01L19/06 , G01L19/14
摘要： PROBLEM TO BE SOLVED: To provide a differential pressure transmitter which achieves further miniaturization of a body by decreasing a diameter of a pressure sensing diaphragm without causing problems such as hydrogen permeation and cracks.SOLUTION: A sensor chip 11 is embedded in a small packaging body 20. The sensor chip 11 has an excessive pressure protection function obtained by making recesses 11-2a, 11-3a of stopper members 11-2, 11-3 face one and the other surfaces of a sensor diaphragm 11-1. Barrier diaphragms (pressure sensing diaphragms) 21a, 21b are provided on a side face of the packaging body 20. All of the sensor chip 11, the barrier diaphragms 21a, 21b, and the packaging body 20 are made of a semiconductor material (e.g. SiN, sapphire, Si, SiC, quartz, and borosilicate glass, etc.).
摘要翻译：要解决的问题：提供一种压差传感器，其通过减小压力传感膜的直径而不会引起诸如氢气渗透和裂纹的问题而实现体的进一步小型化。解决方案：传感器芯片11嵌入小包装体传感器芯片11具有通过使止动构件11-2,11-3的凹部11-2a，11-3a面对传感器振动膜11-1的一个面和另一个表面而获得的过大的压力保护功能。阻挡膜片（压力传感膜片）21a，21b设置在包装主体20的侧面上。传感器芯片11，阻挡膜21a，21b和包装体20都是由半导体材料（例如SiN ，蓝宝石，Si，SiC，石英和硼硅酸盐玻璃等）。

32. 发明专利

JP2013174449A Differential pressure measurement device 有权
标题翻译：差压测量装置
公开(公告)号：JP2013174449A
公开(公告)日：2013-09-05
申请号：JP2012037485
申请日：2012-02-23
申请人： Yokogawa Electric Corp , 横河電機株式会社
发明人： OGINO TOSHIO
IPC分类号： G01L19/06 , G01L13/00
摘要： PROBLEM TO BE SOLVED: To provide a differential pressure measurement device having a welded section which is resistant to stress corrosion cracking at low cost.SOLUTION: A differential pressure measurement device has a tabular pressure sensing block, a thin and tabular pressure sensing diaphragm having a periphery of one face in contact with a face of the pressure sensing block, a ring-shaped seal ring having one face in contact with the periphery of another face of the pressure sensing diaphragm, and a welded section which secures the pressure sensing diaphragm and the seal ring to the pressure sensing block by welding. The pressure sensing block is made of an austenitic stainless steel, and the pressure sensing diaphragm and the seal ring are made of a duplex stainless steel. The welded section has a substantially T-shaped cross-section whose horizontal portion is located in the seal ring and vertical portion is located in the pressure sensing block and is shaped such that the ratio of a cross-section of the horizontal portion of the T shape on a plane parallel to the face of the pressure sensing diaphragm to a cross-section of the vertical section on a plane parallel to the face of the pressure sensing diaphragm maintains the quality of the dual stainless steel even after the weld hardens.
摘要翻译：要解决的问题：提供一种压差测量装置，其具有以低成本耐受应力腐蚀开裂的焊接部分。解决方案：差压测量装置具有片状压力感测块，薄且平板状的压力感测膜片，其具有一个表面与压力感测块的表面接触的周边，具有与压力感测膜的另一个表面的周边接触的一个表面的环形密封环，以及固定压力感测膜片和密封环通过焊接到压力传感块。压力传感块由奥氏体不锈钢制成，压力传感膜片和密封环由双相不锈钢制成。焊接部分具有基本上T形的横截面，其水平部分位于密封环中，垂直部分位于压力感测块中，并且其形状使得T的水平部分的横截面的比率在平行于压力感测隔膜的面的平面上的垂直截面的横截面与压力感测隔膜的表面平行的平面上的形状即使在焊接变硬之后仍保持双不锈钢的质量。

33. 发明专利

JP2013053964A Method for selecting sensor pair of dual physical quantity sensor 审中-公开
标题翻译：选择双体数传感器传感器对的方法
公开(公告)号：JP2013053964A
公开(公告)日：2013-03-21
申请号：JP2011193238
申请日：2011-09-05
申请人： Azbil Corp , アズビル株式会社
发明人： SASAKI TOMOHISA
IPC分类号： G01L13/00 , G01L27/00
摘要： PROBLEM TO BE SOLVED: To present a combination method of a physical quantity sensor pair satisfying a measurement specification of an output difference.SOLUTION: A method for selecting a sensor pair of a dual physical quantity sensor includes the steps for: finding a maximum value and a minimum value of an accuracy index of an output characteristic of each of a plurality of physical quantity sensors; selecting physical quantity sensors in each of which a difference between the maximum value and the minimum value of the accuracy index of the output characteristic is included within a previously determined allowance range of the accuracy index of the output characteristic as a plurality of candidates of a first or second physical quantity sensor; selecting a first physical quantity sensor from the plurality of physical quantity sensor candidates and finding an upper limit value and a lower limit value of the accuracy index of the output characteristic allowed to be included in a second physical quantity sensor to be served as a pair with the first physical quantity sensor on the basis of the maximum value and the minimum value of the accuracy index of the output characteristic of the first physical quantity sensor and the accuracy index of the difference output of the sensor pair; and determining the second physical quantity sensor from the plurality of physical quantity sensor candidates on the basis of the upper limit value and the lower limit value of the accuracy index of the output characteristic allowed to be included in the second physical quantity sensor.
摘要翻译：要解决的问题：提出满足输出差的测量规格的物理量传感器对的组合方法。解决方案：用于选择双物理量传感器的传感器对的方法包括以下步骤：找到多个物理量传感器中的每一个的输出特性的精度指数的最大值和最小值; 选择物理量传感器，其中输出特性的精度指数的最大值和最小值之间的差值包括在作为输出特性的精度指数的先前确定的允许范围内，作为第一或第二物理量传感器; 从所述多个物理量传感器候选中选择第一物理量传感器，并且将允许包括在第二物理量传感器中的输出特性的精度指数的上限值和下限值作为一对与基于第一物理量传感器的输出特性的精度指标的最大值和最小值以及传感器对的差分输出的精度指数来确定第一物理量传感器; 根据允许包含在第二物理量传感器中的输出特性的精度指标的上限值和下限值，从多个物理量传感器候选中确定第二物理量传感器。版权所有（C）2013，JPO＆INPIT

34. 发明专利

JP5130231B2 Steam flow meter and differential pressure transmitter 有权
公开(公告)号：JP5130231B2
公开(公告)日：2013-01-30
申请号：JP2009002470
申请日：2009-01-08
申请人：アズビル株式会社
发明人：恭弘梶尾 , 暢孝千村 , 正秀大野
IPC分类号： G01F1/50 , G01L13/00

35. 发明专利

JP2012198153A Rotation structure of detector and converter 有权
标题翻译：检测器和转换器的旋转结构
公开(公告)号：JP2012198153A
公开(公告)日：2012-10-18
申请号：JP2011063446
申请日：2011-03-23
申请人： Yokogawa Electric Corp , 横河電機株式会社
发明人： ADACHI SHINTARO
IPC分类号： G01L13/00 , G01F1/00
摘要： PROBLEM TO BE SOLVED: To provide a rotation structure of a detector and a converter, which can easily rotate the converter against the detector.SOLUTION: The rotation structure of the detector and the converter includes: the detector composed of a large-diameter part and a small-diameter part and formed so that a cross section has a projected shape; the converter formed so that, in a state that the small-diameter part of the detector is inserted and its one end is brought into contact with the large-diameter part of the detector, the other end is approximately flash with the end part of the small-diameter part, and having a cylindrical space formed in predetermined depth from the other end side between the converter and the small-diameter part of the detector; a coil spring arranged in the space so as to be wound around the small-diameter part; and a spring pressing member for pressing the coil spring. In the rotation structure, the contact part between the large-diameter part of the detector and the converter is configured as an engagement structure, and when the converter is lifted up and the coil spring is pressed, the coil spring is formed in a degree that the engagement is released.
摘要翻译：要解决的问题：提供检测器和转换器的旋转结构，其可以容易地将转换器旋转抵靠检测器。检测器和转换器的旋转结构包括：由大直径部分和小直径部分组成的检测器，其形状使得横截面具有突出形状; 转换器形成为使得在检测器的小直径部分被插入并且其一端与检测器的大直径部分接触的状态下，另一端大致闪烁，小直径部分，并且具有从转换器与检测器的小直径部分之间的另一端侧预定深度形成的圆柱形空间; 螺旋弹簧，布置在所述空间中以缠绕在所述小直径部分上; 以及用于按压螺旋弹簧的弹簧按压部件。在旋转结构中，检测器的大直径部与转换器之间的接触部分被构造为接合结构，并且当转换器被提起并且螺旋弹簧被按压时，螺旋弹簧形成为参与发布。版权所有（C）2013，JPO＆INPIT

36. 发明专利

JP2012118034A Failure determination method and failure determination device for differential pressure sensor 审中-公开
标题翻译：用于差压传感器的故障确定方法和故障确定装置
公开(公告)号：JP2012118034A
公开(公告)日：2012-06-21
申请号：JP2010270846
申请日：2010-12-03
申请人： Azbil Corp , アズビル株式会社
发明人： TAKAI MUNENORI
IPC分类号： G01L13/00 , G01L19/12
摘要： PROBLEM TO BE SOLVED: To provide a failure determination method and a failure determination device for a differential pressure sensor, capable of failure determination in the differential pressure sensor having two independent pressure sensors.SOLUTION: The failure determination device for a differential pressure sensor comprises: a first pressure sensor (31, 34) arranged at a first measurement point in a flow path where liquid flows; a second pressure sensor (32, 35) arranged at a second measurement point in the flow path; differential pressure calculation means (50) for calculating differential pressure output (ΔP) based on an output (P1) of the first pressure sensor and an output (P2) of the second pressure sensor; data storage means (44) for storing beforehand at least first determination data for determining normality or abnormality of the respective outputs of the first and second pressure sensors and the differential pressure output; and determination means (41) for comparing the outputs of the first and second pressure sensors and the differential pressure output with the first determination data and determining normality or abnormality of each pressure sensor.
摘要翻译：要解决的问题：提供一种能够在具有两个独立的压力传感器的压差传感器中进行故障判定的差压传感器的故障判定方法和故障判定装置。解决方案：差压传感器的故障确定装置包括：布置在液体流动的流路中的第一测量点处的第一压力传感器（31,34）布置在流路中的第二测量点处的第二压力传感器（32,35）; 用于根据第一压力传感器的输出（P1）和第二压力传感器的输出（P2）计算差压输出（ΔP）的差压计算装置（50）数据存储装置，用于预先存储用于确定第一和第二压力传感器的各个输出的正常或异常的至少第一确定数据和差压输出; 以及用于将第一和第二压力传感器的输出与差压输出与第一确定数据进行比较并确定每个压力传感器的正常或异常的确定装置（41）。版权所有（C）2012，JPO＆INPIT

37. 发明专利

JP2012107891A Differential pressure transmitter 有权
标题翻译：差压变送器
公开(公告)号：JP2012107891A
公开(公告)日：2012-06-07
申请号：JP2010254912
申请日：2010-11-15
申请人： Yokogawa Electric Corp , 横河電機株式会社
发明人： KAMIKURA HODAKA
IPC分类号： G01L13/00
摘要： PROBLEM TO BE SOLVED: To provide a differential pressure transmitter with which zero-point adjustment can be performed with good work efficiency.SOLUTION: A differential pressure transmitter which is constructed such that the zero-point adjustment of a variable which is to be subject to the desired zero-point adjustment by rotational operating of an external zero-point adjustment mechanism for creating a pulse string while the variable displayed by a built-in indicator which can be switched is confirmed, includes a zero-point adjustment detection part for detecting the rotational operation of the external zero-point adjustment mechanism, and a display selection control part with which the variable displayed by the built-in indicator is switched to the variable to be subject to the zero-point adjustment based on the output of detection of the rotational operation of the zero-point adjustment detection part.
摘要翻译：要解决的问题：提供能够以良好的工作效率进行零点调整的差压变送器。解决方案：一种差压变送器，其被构造成使得通过用于产生脉冲串的外部零点调节机构的旋转操作进行期望的零点调整的变量的零点调整同时可以切换的内置指示器所显示的变量被确认，包括用于检测外部零点调整机构的旋转操作的零点调整检测部分和显示出的变量的显示选择控制部分通过内置指示器，根据零点调整检测部的旋转动作的检测输出，切换为变量进行零点调整。版权所有（C）2012，JPO＆INPIT

38. 发明专利

JP2011163982A Pressure measuring system and pressure measuring method 有权
标题翻译：压力测量系统和压力测量方法
公开(公告)号：JP2011163982A
公开(公告)日：2011-08-25
申请号：JP2010028068
申请日：2010-02-10
申请人： Yamatake Corp , 株式会社山武
发明人： KINUGASA SEIICHIRO
IPC分类号： G01L13/00 , G01L11/02
摘要： PROBLEM TO BE SOLVED: To provide a pressure measuring system capable of easily measuring a differential pressure.
SOLUTION: The pressure measuring system includes at least one phosphor 2 emitting fluorescence of a first wavelength band and fluorescence of a second wavelength band different from the first wavelength band; a first pressure receiving element 3 receiving a first pressure P
O1 and applying a first modulation to at least the fluorescence of the first wavelength band; a second pressure receiving element 4 receiving a second pressure P
O2 and applying a second modulation to at least the fluorescence of the second wavelength band; an attenuation characteristics measuring section 301 measuring attenuation characteristics of combined light of the fluorescence of the first wavelength band applied with the first modulation and the fluorescence of the second wavelength band applied with the second modulation; and a differential pressure calculating section 302 calculating the differential pressure ΔP between the first and second pressures on the basis of the attenuation characteristics.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供能够容易地测量压差的压力测量系统。解决方案：压力测量系统包括发射第一波长带的荧光和不同于第一波长带的第二波长带的荧光的至少一个荧光体2; 接收第一压力P O1的第一受压元件3和至少对第一波长带的荧光施加第一调制; 第二压力接收元件4，接收第二压力P＆lt; SB＆gt;并且对第二波长带的至少荧光施加第二调制; 衰减特性测量部分301，测量施加有第一调制的第一波长带的荧光和施加第二调制的第二波长带的荧光的组合光的衰减特性; 以及差压计算部302，根据衰减特性，算出第一和第二压力之间的差压ΔP。版权所有（C）2011，JPO＆INPIT

39. 发明专利

JP2011521270A Improved temperature compensation of multivariate pressure transmitter 审中-公开
公开(公告)号：JP2011521270A
公开(公告)日：2011-07-21
申请号：JP2011511779
申请日：2009-05-27
申请人：ローズマウントインコーポレイテッド
发明人：サンデット，ポール・シー , ファンドレー，マーク・シー
IPC分类号： G01L19/04 , G01L7/00 , G01L13/00
CPC分类号： G01L9/125
摘要： A multivariable process fluid pressure transmitter includes an electronics module and a sensor module. The sensor module is coupled to the electronics module. A process fluid temperature sensor is coupled to the process fluid pressure transmitter. A differential pressure sensor is disposed within the sensor module and is operably coupled to a plurality of process fluid pressure inlets. A static pressure sensor is also disposed within the sensor module and is operably coupled to at least one of the process fluid pressure inlets. A first temperature sensor is disposed within the sensor module and is configured to provide an indication of a temperature of the differential pressure sensor. A second temperature sensor is disposed within the sensor module and is configured to provide an indication of a temperature of the static pressure sensor. Measurement circuitry is operably coupled to the differential pressure sensor, the static pressure sensor, and the first and second temperature sensors. A processor is coupled to the measurement circuitry and is configured to provide a compensated differential pressure output based on a measurement of the differential pressure sensor and the first temperature sensor, and to provide a compensated static pressure output based on a measurement of the static pressure sensor and the second temperature sensor.

40. 发明专利

JP4491834B2 Clogging the diagnostic method of the pressure detector and the pressure detector 有权
公开(公告)号：JP4491834B2
公开(公告)日：2010-06-30
申请号：JP2004091432
申请日：2004-03-26
申请人：横河電機株式会社
发明人：宣夫宮地
IPC分类号： G01L13/00 , G01L27/00

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