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1. 发明专利

JP2007108116A Magnetic flowmeter 有权
标题翻译：磁流量计
公开(公告)号：JP2007108116A
公开(公告)日：2007-04-26
申请号：JP2005301627
申请日：2005-10-17
申请人： Yamatake Corp , 株式会社山武
发明人： YAMAMOTO TOMOSHIGE
IPC分类号： G01F1/60
CPC分类号： G01F1/584 , G01F1/60
摘要： PROBLEM TO BE SOLVED: To provide a magnetic flowmeter for accurately measuring a flow rate by correcting the flow rate of a fluid. SOLUTION: The magnetic flowmeter comprises a measuring tube 1, electrodes 2a and 2b, excitation parts 3 and 4 including the electrodes 2a and 2b and applying an asymmetrically and time-changing magnetic field on the fluid to axial and vertical planes of the measuring tube, a signal conversion part 5 detected by the electrodes 2a and 2b and extracting a partial differential dA/dt component and a v×B component from composed electromotive force of the electromotive force of the partial differential dA/dt component independent of flow velocity of the fluid and the electromotive force of the v×B component caused by the flow velocity of the fluid, and a flow rate calculation part 12 for calculating the flow rate of the fluid by extracting fluctuation components dependent on parameters from the partial differential dA/dt component and correcting spans being coefficients concerning size V of the flow velocity of the v×B component on the basis of the fluctuation components when making the parameters of fluid characteristics and state or the inside state of the measuring tube dependent of the flow rate of the fluid. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于通过校正流体的流量来精确地测量流量的磁流量计。解决方案：磁流量计包括测量管1，电极2a和2b，包括电极2a和2b的激励部分3和4，并将不对称和时变的磁场施加到流体的轴向和垂直平面上测量管，由电极2a和2b检测的信号转换部分5，并且从部分差分dA / dt分量的电动势的组合电动势中提取偏差dA / dt分量和av×B分量，独立于流速流体和由流体的流速引起的v×B分量的电动势;以及流量计算部12，用于通过根据偏差dA / dt的参数提取波动分量来计算流体的流量组分和校正跨度是关于v×B分量的流速的大小V的系数，基于当制作时的波动分量取决于流体流速的流体特性和状态或测量管的内部状态的参数。版权所有（C）2007，JPO＆INPIT

2. 发明专利

JP2006058176A Electromagnetic flow meter 有权
标题翻译：电磁流量计
公开(公告)号：JP2006058176A
公开(公告)日：2006-03-02
申请号：JP2004241476
申请日：2004-08-20
申请人： Yamatake Corp , 株式会社山武
发明人： YAMAMOTO TOMOSHIGE
IPC分类号： G01F1/60
摘要： PROBLEM TO BE SOLVED: To correct zero-point errors, without exactly correcting the span and making the flow of objective fluid zero exact. SOLUTION: The electromagnetic flowmeter comprises the measurement tube 1; a pair of electrodes 2a, 2b for detecting the electromotive force generated by the magnetic field impressed on the fluid and the flow of the fluid; a pair of exciting coils 3 for impressing asymmetric magnetic field to the plane, including the electrodes 2a, 2b perpendicular to the axis of the measurement tube; the zero-point correction part 51 for extracting the v×B component by eliminating the δA/δt component detected by the letcrodes 2a, 2b (Here, δ represents partial differentiation symbol) from the resultant electromotive force of δA/δt component independent of the flow velocity of the fluid and the v×B component, depending on the flow velosity; the span correcting part 52 for extracting δA/δt component from the combined power and for eliminating the fluctuation factor of the span that is the factor to the magnitude of the flow velocity V of the v×B component, on the basis of the δA/δt component; and the flow output part 6 for computing the flow of the fluid from the v×B component with the fluctuation factor eliminated. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：纠正零点误差，无需精确校正量程，使客观流体的流量为零。
解决方案：电磁流量计包括测量管1; 用于检测由施加在流体上的磁场产生的电动势和流体的一对电极2a，2b; 一对激励线圈3，用于对平面施加非对称磁场，包括垂直于测量管轴线的电极2a，2b; 零点校正部分51用于通过消除由露头2a，2b检测的δA/δt分量来提取v×B分量（这里，δ表示偏微分符号）与所得的电动势δA/δt分量独立于流体流速和v×B分量，取决于流动速度; 用于根据组合功率提取δA/δt分量的跨度校正部52，并且用于消除作为v×B分量的流速V的大小的因子的跨度的波动因数，基于δA/ δt分量; 以及流量输出部分6，用于计算来自v×B分量的流体的流动，消除了波动因数。版权所有（C）2006，JPO＆NCIPI

3. 发明专利

JP2006058175A Electromagnetic flow meter 有权
标题翻译：电磁流量计
公开(公告)号：JP2006058175A
公开(公告)日：2006-03-02
申请号：JP2004241463
申请日：2004-08-20
申请人： Yamatake Corp , 株式会社山武
发明人： YAMAMOTO TOMOSHIGE
IPC分类号： G01F1/60 , G01F1/58
摘要： PROBLEM TO BE SOLVED: To correct zero-point errors, without exactly correcting the span and making the flow of objective fluid zero. SOLUTION: The electromagnetic flowmeter comprises the pairs of excitation coils 3 for impressing magnetic field on the fluid; a pair of electrodes 2a, 2b for extracting the first δA/δt component (δ: partial differentiation symbol) and the first correction objective electromotive force and the second δA/δt component of the second frequency and the second correction objective electromotive force; the span correcting part 51 for span correcting the first correction object electromotive force for correction, on the basis of the first δA/δt component and for span correcting the second correction object electromotive force, on the basis of the second δA/δt component; the zero-point correction part 52 for extracting the v×B component, by eliminating the third δA/δt component from either of two correction object electromotive force by extracting the third δA/δt component, on the basis of the corrected first correction object electromotive force and the second correction object electromotive force; and the flow rate output part 6 for computing the flow rate of the fluid from the v×B component. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了纠正零点误差，没有精确地校正跨度并使物流的流量为零。解决方案：电磁流量计包括用于在流体上施加磁场的激励线圈3对; 用于提取第一δA/δt分量（δ：偏微分符号）和第二校正目标电动势的第一校正目标电动势和第二δA/δt分量的一对电极2a，2b; 根据第二δA/δt分量，根据第一δA/δt分量和修正第二校正对象电动势的量程修正用于校正的第一校正对象电动势的量程校正部51; 通过从校正的第一校正对象电动势中提取第三δA/δt分量来消除来自两个校正对象电动势中的任一个的第三δA/δt分量来提取v×B分量的零点校正部52 力和第二修正对象电动势; 以及用于计算来自v×B分量的流体的流量的流量输出部6。版权所有（C）2006，JPO＆NCIPI

4. 发明专利

JP2005300325A Magnetic flowmeter 有权
标题翻译：磁流量计
公开(公告)号：JP2005300325A
公开(公告)日：2005-10-27
申请号：JP2004116251
申请日：2004-04-09
申请人： Yamatake Corp , 株式会社山武
发明人： YAMAMOTO TOMOSHIGE
IPC分类号： G01F1/58 , G01F1/60
CPC分类号： G01F1/588 , G01F1/60
摘要： PROBLEM TO BE SOLVED: To precisely measure the flow by correctly span correcting automatically, regarding the automatic span correction technology for correcting the coefficient relating with the component of flow speed oriented from the flow of the fluid to be measured among the electromotive forces detected by the electrodes. SOLUTION: The magnetic flowmeter comprises: a measurement tube 1 in which the fluid to be measured flows through; electrodes 2a, 2b for detecting the electromotive force generated by the magnetic field impressed on the fluid and the flow of the liquid; an excitation coil 3 for exciting the fluid with non-symmetrically and periodically varying magnetic field to a plane PLN which is including the electrodes 2a, 2b, and perpendicular to the axial direction of the measurement tube; a signal converter 5 for extracting the ΔA component from the resultant electromotive force of the ΔA component detected by the electrodes 2a, 2b, independent from the flow speed (herein, ΔA represents partial differential of t by A) and an electromotive force v×B component oriented from the flow speed of the fluid; and a flow output part 6 for calculating the flow of the fluid from the result eliminated with the variation factor based on the ΔA component eliminating the variation factor of the span being the coefficient of the magnitude of the flow speed V of the v×B component in the resultant electromotive force. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：通过自动量程校正技术，通过自动量程校正技术来精确地测量流量，该技术用于校正与电动势中的待测量流体流动相关的流速分量相关的系数由电极检测。解决方案：磁流量计包括：待测流体流过的测量管1; 用于检测由施加在流体上的磁场产生的电动势和液体的流动的电极2a，2b; 激励线圈3，用于对包括电极2a，2b并垂直于测量管的轴向的平面PLN激励具有非对称且周期性变化的磁场的流体; 信号转换器5，用于从电流2a，2b检测到的ΔA分量的合成电动势中独立于流速（这里，ΔA表示t的偏差除以A）和电动势v×B 组分取决于流体的流速; 以及流量输出部分6，用于根据消除该跨度变化系数的ΔA分量的变化因子消除的结果来计算流体的流量，该变化系数是v×B分量的流速V的大小的系数在合成电动势中。版权所有（C）2006，JPO＆NCIPI

5. 发明专利

JP2011053177A Electromagnetic flow meter 有权
标题翻译：电磁流量计
公开(公告)号：JP2011053177A
公开(公告)日：2011-03-17
申请号：JP2009204503
申请日：2009-09-04
申请人： Yamatake Corp , 株式会社山武
发明人： YAMAMOTO TOMOSHIGE
IPC分类号： G01F1/60
CPC分类号： G01F1/584 , G01F1/586 , G01F1/60
摘要： PROBLEM TO BE SOLVED: To provide an electromagnetic flow meter capable of performing high-precision flow rate measurement without largely modifying a structure of a general detector.
SOLUTION: The electromagnetic flow meter includes: a measurement tube 1; electrodes 2a, 2b; a magnetic excitation coil 3 applying to a fluid a magnetic field symmetrical with respect to an electrode plane PLN and changes with the time; signal lines 4a, 4b having inclination relative to the direction of a magnetic field parallel to the electrode plane PLN and provided so that electromotive force is generated by the time change of the magnetic field; a signal conversion unit 5a for extracting a δA/δt component of combined electromotive force obtained from the electromotive force of δA/δt component independent of the flow velocity of the fluid and arising from the time change of the magnetic field and the electromotive force of v×B component arising from the flow velocity of the fluid; and a flow rate output part 6a removing a span variation factor that is a coefficient applied to the magnitude V of the flow velocity of the v×B component in the combined electromotive force on the basis of the δA/δt component and calculating the flow rate of the fluid from the results obtained by removing the variation factor. The partical differential is replaced with δ.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够在不大幅度地改变一般检测器的结构的情况下进行高精度流量测量的电磁流量计。解决方案：电磁流量计包括：测量管1; 电极2a，2b; 磁激励线圈3向流体施加相对于电极平面PLN对称的磁场并随时间变化; 信号线4a，4b相对于与电极平面PLN平行的磁场的方向具有倾斜度，并且设置为通过磁场的时间变化产生电动势; 信号转换单元5a，用于从δA/δt分量的电动势获得的组合电动势的δA/δt分量独立于流体的流速并由磁场的时间变化和v的电动势产生 ×B成分由流体的流速引起; 以及流量输出部6a，根据δA/δt分量除去作为组合电动势中的v×B分量的流速的幅度V的系数的跨度变化系数，并计算流量通过去除变异因子得到的结果。用δ代替部分微分。版权所有（C）2011，JPO＆INPIT

6. 发明专利

JP2006090794A Status detection device 有权
标题翻译：状态检测装置
公开(公告)号：JP2006090794A
公开(公告)日：2006-04-06
申请号：JP2004275249
申请日：2004-09-22
申请人： Yamatake Corp , 株式会社山武
发明人： YAMAMOTO TOMOSHIGE
IPC分类号： G01F1/60
CPC分类号： G01F1/60 , G01F1/584 , G01F23/26 , G01N27/72
摘要： PROBLEM TO BE SOLVED: To detect performance and the stat of a fluid, or the state of inside of a measurement tube regardless of flowing speed of the fluid by using the same constitution of an electromagnetic flowmeter. SOLUTION: The state detection device for making the performance and the state of the fluid or the state of inside of the measurement tube the parameters of the subject to be detected comprises: the measurement tube 1 for flowing the fluid; the pair of electrodes 2a and 2b for detecting the voltage induced by the magnetic field applied on the fluid and the flow of the fluid; the pair of excitation coils 3 and the electric source 4 for applying the time alternative magnetic field to the fluid asymmetrically to the plane PLN including the pair of the electrodes 2a and 2b; and the state quantifying part 8 for quantifying the parameters based on the variation factors by extracting the variation factors depending on the parameters from the pA/pt component (note: "p" means partial differentiation) which is extracted from the resultant electromotive force composed of the electromotive forces of pA/pt independent of the flowing speed detected by the electrodes 2a and 2b and the electromotive force of v×B component caused by the flowing speed of the fluid. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：通过使用与电磁流量计相同的结构，来检测流体的性能和状态或测量管内部的状态，而不管流体的流动速度如何。解决方案：用于使流体的性能和状态或测量管内部的状态的状态检测装置的待检测对象的参数包括：用于流动流体的测量管1; 用于检测施加在流体上的磁场引起的电压的一对电极2a和2b以及流体的流动; 一对激励线圈3和用于将流体不对称地施加到包括一对电极2a和2b的平面PLN的时间替代磁场的电源4; 以及状态量化部分8，用于通过根据来自所得到的电动势的pA / pt分量（注意：“p”表示部分微分））的参数提取变化因子，基于变化因子来量化参数，所得到的电动势由独立于由电极2a和2b检测的流动速度的pA / pt的电动势和由流体的流动速度引起的v×B分量的电动势。版权所有（C）2006，JPO＆NCIPI

7. 发明专利

JP2011053178A State detection device 有权
标题翻译：状态检测装置
公开(公告)号：JP2011053178A
公开(公告)日：2011-03-17
申请号：JP2009204516
申请日：2009-09-04
申请人： Yamatake Corp , 株式会社山武
发明人： YAMAMOTO TOMOSHIGE
IPC分类号： G01F1/60
CPC分类号： G01F1/584 , G01F1/586 , G01F1/60
摘要： PROBLEM TO BE SOLVED: To provide a state detection device without largely modifying a structure of a detector of a general electromagnetic flowmeter.
SOLUTION: The state detection device in which the characteristic or the state of a fluid, the state of a magnetic field, or the state in a measurement tube is set as a parameter of a detection object includes: a measurement tube 1; electrodes 2a, 2b; a magnetic excitation coil 3 applying a magnetic field to a fluid; signal lines 4a, 4b having inclination relative to the direction of a magnetic field parallel to an electrode plane PLN and provided so that electromotive force is generated by the time variation of the magnetic field; and a state quantifying part 8a extracting a δA/δt component from combined electromotive force obtained from the electromotive force of δA/δt component independent of the flow rate of the fluid and arising from the time variation of the magnetic field and the electromotive force of v×B component arising from the flow rate of the fluid, detected by the electrodes 2a, 2b and signal lines 4a, 4b, extracting a variation factor dependent on the parameter from the δA/δt component, and quantifying the parameter on the basis of the variation factor. The partial differential is replaced with δ.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种状态检测装置，而不会大幅度地改变通用电磁流量计的检测器的结构。解决方案：将流体的特性或状态，磁场状态或测量管中的状态设置为检测对象的参数的状态检测装置包括：测量管1; 电极2a，2b; 励磁线圈3向流体施加磁场; 信号线4a，4b相对于与电极平面PLN平行的磁场的方向倾斜，并且设置为通过磁场的时间变化产生电动势; 以及状态量化部8a，其从与流体的流量无关的δA/δt成分的电动势得到的组合电动势中提取δA/δt成分，并且由磁场的时间变化和v的电动势引起由电极2a，2b和信号线4a，4b检测的流体流量产生的×B分量，从δA/δt分量中提取依赖于参数的变化因子，并根据变异因子偏差用δ代替。版权所有（C）2011，JPO＆INPIT

8. 发明专利

JP2011058911A Electromagnetic flowmeter 有权
标题翻译：电磁流量计
公开(公告)号：JP2011058911A
公开(公告)日：2011-03-24
申请号：JP2009207898
申请日：2009-09-09
申请人： Yamatake Corp , 株式会社山武
发明人： YAMAMOTO TOMOSHIGE , AKITA DAISUKE , YAMAZAKI YOSHIO , YAO TAKESHI
IPC分类号： G01F1/58
CPC分类号： G01F1/588 , G01F1/58 , G01F1/60
摘要： PROBLEM TO BE SOLVED: To set a δA/δt (δ represents a round d, or a partial differentiation sign) component obtained from signal lines in an electromagnetic flowmeter of the asymmetrical excitation type to be an appropriate size. SOLUTION: The electromagnetic flowmeter includes: a measurement tube 1; electrodes 2a, 2b; an excitation coil 3 for applying a magnetic field which is asymmetrical with respect to a plane PLN and changes temporally to a fluid; a signal conversion unit 5 for extracting a δA/δt component from combined electromotive force of the electromotive force of the δA/δt component which is irrelevant to the flow rate of the fluid and is caused by the temporal change of the magnetic field and the electromotive force of a v×B component which is caused by the flow rate of the fluid; a flow output unit 6 for removing the fluctuation factor of a span which is a coefficient on the magnitude of the flow rate V of the v×B component in the combined electromotive force on the basis of the δA/δt component and calculating the flow of the fluid from the result with the fluctuation factor removed; and signal lines 7a, 7b which are arranged so that they incline with respect to the direction of the magnetic field which is parallel to the plane PLN and that electromotive force is generated through the temporal change of the magnetic field. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：将不对称激励型的电磁流量计中的信号线获得的δA/δt（δ表示圆形d或部分微分符号）分量设定为合适的尺寸。解决方案：电磁流量计包括：测量管1; 电极2a，2b; 励磁线圈3，用于施加相对于平面PLN不对称的磁场，并且瞬时地改变为流体; 信号转换单元5，用于从与流体的流量无关的δA/δt分量的电动势的组合电动势中提取δA/δt分量，并且由磁场和电动势的时间变化引起由流体的流量引起的av×B成分的力; 流量输出单元6，用于根据δA/δt分量去除作为组合电动势中的v×B分量的流量V的大小的系数的跨度的波动因数，并计算流量结果的流体与波动因子的去除; 以及信号线7a，7b，其布置成使得它们相对于平行于平面PLN的磁场的方向倾斜，并且通过磁场的时间变化产生电动势。版权所有（C）2011，JPO＆INPIT

9. 发明专利

JP2006058177A Electromagnetic flowmeter 有权
标题翻译：电磁流量计
公开(公告)号：JP2006058177A
公开(公告)日：2006-03-02
申请号：JP2004241483
申请日：2004-08-20
申请人： Yamatake Corp , 株式会社山武
发明人： YAMAMOTO TOMOSHIGE
IPC分类号： G01F1/60
摘要： PROBLEM TO BE SOLVED: To correct zero-point errors, without exactly correcting the span and making the flow of the objective fluid zero. SOLUTION: The electromagnetic flowmeter comprise the measurement tube 1; a pair of electrodes 2a, 2b; a pair of excitation coils 3 for impressing asymmetric magnetic field on the plane, including the electrodes 2a, 2b perpendicular to the axis of the measurement tube, including the pair of electrodes 2a, 2b; the span correction part 51 for normalization process extracting the δA/δt component from the resultant electromotive force of the electromotive force of the δA/δt (δ:represents partial differentiation symbol) component independent of flow velocity of the liquid and the electromotive force of v×B component caused by the flow velocity and for eliminating the fluctuation factor of the span that is the coefficient of the magnitude of the flow velocity V, namely, v×B component of resultant electromotive force; the zero-point correcting part 52 for extracting the v×B component, by eliminating the δA/δt component obtained at the normalization processing of the extracted δA/δt component from the normalized resultant electromotive force; and the flow output part 6 for calculating the flow of the fluid from the v×B components. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了纠正零点误差，没有精确校正跨度并使物流的流量为零。
解决方案：电磁流量计包括测量管1; 一对电极2a，2b; 一对激励线圈3，用于在平面上施加非对称磁场，包括垂直于测量管轴线的电极2a，2b，包括一对电极2a，2b; 用于归一化处理的距离校正部51从δA/δt的电动势的合成电动势（δ：表示偏微分符号）成分中独立于液体的流速和v的电动势提取δA/δt分量 ×B分量，用于消除作为流速V的大小的系数的跨度的波动因数，即得到的电动势的v×B分量; 通过从标准化的合成电动势中消除在提取的δA/δt分量的归一化处理中获得的δA/δt分量来提取v×B分量的零点校正部52; 以及用于计算来自v×B分量的流体流量的流量输出部6。版权所有（C）2006，JPO＆NCIPI

10. 发明专利

JP2005300326A Magnetic flowmeter 有权
标题翻译：磁流量计
公开(公告)号：JP2005300326A
公开(公告)日：2005-10-27
申请号：JP2004116252
申请日：2004-04-09
申请人： Yamatake Corp , 株式会社山武
发明人： YAMAMOTO TOMOSHIGE
IPC分类号： G01F1/60 , G01F1/58
CPC分类号： G01F1/60 , G01F1/56 , G01F1/58 , G01F25/0007
摘要： PROBLEM TO BE SOLVED: To precisely measure the flow by span correcting correctly and automatically, regarding the automatic span correction technology for correcting the coefficient relating with the component of flow speed oriented from the flow of the fluid to be measured among the electromotive forces detected by the electrodes. SOLUTION: The magnetic flowmeter comprises: a measurement tube 1 in which the fluid to be measured flows through; electrodes 2a, 2b for detecting the electromotive force generated by the magnetic field impressed on the fluid and the flow of the liquid; an excitation coil 3 for exciting the fluid with non-symmetrical magnetic field to a plane PLN which includes the electrodes 2a, 2b and is perpendicular to the axial direction of the measurement tube; a signal converter 5 for extracting the ΔA component from the resultant electromotive force of the ΔA component detected by the electrodes 2a, 2b, independent from the flow speed (herein, ΔA represents partial differential of t by A) and the electromotive force v×B component oriented from the flow speed of the fluid; and a flow output part 6 for calculating the flow of the fluid from the result eliminated with the variation factor based on the ΔA component eliminating the variation factor of the span being the coefficient of the magnitude of the flow speed of the v×B component in the resultant electromotive force. From the excitation coil 3 the magnetic field including a plurality of frequency components are impressed on the fluid. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了正确自动地通过跨度校正来精确地测量流量，关于用于校正与电动机中待测流体的流动相对应的流速分量相关系数的自动量程校正技术由电极检测的力。解决方案：磁流量计包括：待测流体流过的测量管1; 用于检测由施加在流体上的磁场产生的电动势和液体的流动的电极2a，2b; 励磁线圈3，用于将具有非对称磁场的流体激励到包括电极2a，2b并垂直于测量管的轴向的平面PLN; 信号转换器5，用于从电流2a，2b检测到的ΔA分量的合成电动势中提取ΔA分量，与流速无关（此处，ΔA表示t的偏微分值A）和电动势v×B 组分取决于流体的流速; 以及流量输出部6，用于根据以ΔA分量消除的变化因子消除的结果来计算流体的流量，消除了跨度的变化系数，该变化系数是v×B分量的流速的大小的系数得到的电动势。从励磁线圈3将包含多个频率分量的磁场施加在流体上。版权所有（C）2006，JPO＆NCIPI

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