RU2007124055A - METHOD FOR VIBRATION MEASUREMENT OF MASS FLOW FLOW EXPENDITURE AND DEVICE FOR ITS IMPLEMENTATION - Google Patents

METHOD FOR VIBRATION MEASUREMENT OF MASS FLOW FLOW EXPENDITURE AND DEVICE FOR ITS IMPLEMENTATION Download PDF

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Publication number
RU2007124055A
RU2007124055A RU2007124055/28A RU2007124055A RU2007124055A RU 2007124055 A RU2007124055 A RU 2007124055A RU 2007124055/28 A RU2007124055/28 A RU 2007124055/28A RU 2007124055 A RU2007124055 A RU 2007124055A RU 2007124055 A RU2007124055 A RU 2007124055A
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RU
Russia
Prior art keywords
output
pipe
frame
measuring
unit
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Application number
RU2007124055/28A
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Russian (ru)
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RU2354939C1 (en
Inventor
Владимир Анатольевич Антифьев (RU)
Владимир Анатольевич Антифьев
Дмитрий Михайлович Зайцев (RU)
Дмитрий Михайлович Зайцев
Игорь Витальевич Печорин (RU)
Игорь Витальевич Печорин
Original Assignee
Общество с ограниченной ответственностью Научно-производственное объединение "РОТОР" (RU)
Общество с ограниченной ответственностью Научно-производственное объединение "РОТОР"
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Priority to RU2007124055/28A priority Critical patent/RU2354939C1/en
Priority to PCT/RU2008/000391 priority patent/WO2009002226A2/en
Publication of RU2007124055A publication Critical patent/RU2007124055A/en
Application granted granted Critical
Publication of RU2354939C1 publication Critical patent/RU2354939C1/en

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/76Devices for measuring mass flow of a fluid or a fluent solid material
    • G01F1/78Direct mass flowmeters
    • G01F1/80Direct mass flowmeters operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted
    • G01F1/84Coriolis or gyroscopic mass flowmeters
    • G01F1/845Coriolis or gyroscopic mass flowmeters arrangements of measuring means, e.g., of measuring conduits
    • G01F1/8468Coriolis or gyroscopic mass flowmeters arrangements of measuring means, e.g., of measuring conduits vibrating measuring conduits
    • G01F1/8472Coriolis or gyroscopic mass flowmeters arrangements of measuring means, e.g., of measuring conduits vibrating measuring conduits having curved measuring conduits, i.e. whereby the measuring conduits' curved center line lies within a plane
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/76Devices for measuring mass flow of a fluid or a fluent solid material
    • G01F1/78Direct mass flowmeters
    • G01F1/80Direct mass flowmeters operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted
    • G01F1/84Coriolis or gyroscopic mass flowmeters
    • G01F1/8409Coriolis or gyroscopic mass flowmeters constructional details
    • G01F1/8413Coriolis or gyroscopic mass flowmeters constructional details means for influencing the flowmeter's motional or vibrational behaviour, e.g., conduit support or fixing means, or conduit attachments
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/76Devices for measuring mass flow of a fluid or a fluent solid material
    • G01F1/78Direct mass flowmeters
    • G01F1/80Direct mass flowmeters operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted
    • G01F1/84Coriolis or gyroscopic mass flowmeters
    • G01F1/8409Coriolis or gyroscopic mass flowmeters constructional details
    • G01F1/8422Coriolis or gyroscopic mass flowmeters constructional details exciters
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/76Devices for measuring mass flow of a fluid or a fluent solid material
    • G01F1/78Direct mass flowmeters
    • G01F1/80Direct mass flowmeters operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted
    • G01F1/84Coriolis or gyroscopic mass flowmeters
    • G01F1/8409Coriolis or gyroscopic mass flowmeters constructional details
    • G01F1/8427Coriolis or gyroscopic mass flowmeters constructional details detectors
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/76Devices for measuring mass flow of a fluid or a fluent solid material
    • G01F1/78Direct mass flowmeters
    • G01F1/80Direct mass flowmeters operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted
    • G01F1/84Coriolis or gyroscopic mass flowmeters
    • G01F1/8409Coriolis or gyroscopic mass flowmeters constructional details
    • G01F1/8431Coriolis or gyroscopic mass flowmeters constructional details electronic circuits
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/76Devices for measuring mass flow of a fluid or a fluent solid material
    • G01F1/78Direct mass flowmeters
    • G01F1/80Direct mass flowmeters operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted
    • G01F1/84Coriolis or gyroscopic mass flowmeters
    • G01F1/8409Coriolis or gyroscopic mass flowmeters constructional details
    • G01F1/8436Coriolis or gyroscopic mass flowmeters constructional details signal processing

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Measuring Volume Flow (AREA)

Claims (4)

1. Способ вибрационного измерения массового расхода потока, заключающийся в том, что участку канала с элементом потока в нем и измерителем силы инерции задают колебательное движение в направлении, ортогональном направлению потока, посредством включения их в колебательный контур, измеряют суммарный сигнал, пропорциональный сумме силы инерции участка канала с измерителем и возникающей в элементе потока силы Кориолиса, выделяют из суммарного сигнала сигнал, пропорциональный силе Кориолиса, по которому судят о величине массового расхода потока, отличающийся тем, что при выделении сигнала, пропорционального силе Кориолиса, используют неподвижную в пространстве сил инерции измерительную базу в виде упругосвязанной с участком канала дополнительной массы, величину которой выбирают из условия обеспечения разницы между собственной частотой колебаний участка канала с измерителем силы инерции и собственной частотой колебаний дополнительной массы с ее упругим подвесом к участку канала не менее чем на порядок.1. The method of vibrational measurement of the mass flow rate of the stream, which consists in the fact that the section of the channel with the flow element in it and the inertia force meter sets the oscillatory movement in the direction orthogonal to the direction of the flow, by including them in the oscillatory circuit, measure the total signal proportional to the sum of the inertia force section of the channel with the meter and the Coriolis force arising in the flow element, a signal proportional to the Coriolis force is extracted from the total signal, according to which the mass flow rate outflow, characterized in that when the signal is proportional to the Coriolis force, a measurement base is used that is stationary in the space of inertia forces in the form of additional mass elastically coupled to the channel section, the value of which is selected from the condition of ensuring the difference between the natural frequency of the channel section with the inertia force meter and its own the oscillation frequency of the additional mass with its elastic suspension to the channel section is not less than an order of magnitude. 2. Способ по п.1, отличающийся тем, что неподвижность измерительной базы в пространстве сил инерции обеспечивают, включая дополнительную массу в дополнительный колебательный контур.2. The method according to claim 1, characterized in that the immobility of the measuring base in the space of inertia forces is provided, including additional mass in an additional oscillatory circuit. 3. Устройство для измерения массового расхода потока, содержащее изогнутую S-образную с прямолинейным центральным участком трубу, концы которой жестко закреплены на основании, первую раму, жестко связанную с концами прямолинейного центрального участка трубы и через первую группу упругих шарниров, прикрепленную к основанию с возможностью поворота вокруг оси, расположенной в плоскости изгибов трубы, и перпендикулярно прямолинейному центральному участку трубы, первое и второе устройства для возбуждения колебаний трубы, обмотки катушек и магнитопроводы которых закреплены на трубе, первой раме и основании, кронштейн с вмонтированным в него датчиком силы, связывающий прямолинейный центральный участок трубы с первой рамой, первое и второе устройство для измерения параметров колебаний, содержащее обмотки катушек и магнитопроводы, электронный блок к которому подключены датчик силы и обмотки катушек, отличающееся тем, что в него введены вторая рама, вторая группа упругих шарниров, связывающая первую и вторую раму с возможностью их взаимного перемещения относительно оси поворота первой рамы, причем магнитопроводы или обмотки катушек первого и второго устройств для измерения параметров колебаний закреплены на первой раме, а соответственно обмотки катушек или магнитопроводы первого и второго устройств для измерения параметров колебаний закреплены на второй раме.3. Device for measuring the mass flow rate, containing a curved S-shaped pipe with a straight central section of the pipe, the ends of which are rigidly fixed to the base, the first frame, rigidly connected to the ends of the straight central section of the pipe and through the first group of elastic joints attached to the base with the possibility turning around an axis located in the plane of the pipe bends, and perpendicular to the rectilinear central portion of the pipe, the first and second devices for exciting pipe vibrations, winding coils and the magnetic circuits of which are mounted on the pipe, the first frame and the base, the bracket with a force sensor mounted in it, connecting the rectilinear central section of the pipe with the first frame, the first and second device for measuring vibration parameters, containing windings of coils and magnetic circuits, an electronic unit to which the force sensor is connected and winding coils, characterized in that a second frame is inserted into it, a second group of elastic joints connecting the first and second frame with the possibility of their mutual movement relative to the axis of rotation ota first frames, wherein the magnetic cores of coils or windings of the first and second devices for measuring the oscillation parameters are fixed to the first frame, and accordingly the winding coils or yokes of the first and second devices for measuring the oscillation parameters are fixed to the second frame. 4. Устройство по п.3, отличающееся тем, что электронный блок содержит первый, второй и третий усилители мощности, первый и второй детекторные блоки, нормирующий блок и интегрирующий блок, при этом датчик силы подключен ко входу первого усилителя мощности, первый выход которого подключен к первому входу первого детекторного блока, выход которого подключен к первому входу нормирующего блока, выход которого подключен ко входу интегрирующего блока, ко второму входу нормирующего блока подключен выход второго детекторного блока, причем выход катушки первого устройства для измерения колебаний подключен ко второму входу первого детекторного блока и к входам соответственно второго детекторного блока, второго и третьего усилителей мощности, второй выход первого усилителя мощности подключен к катушке первого устройства для возбуждения колебаний, выход второго усилителя мощности подключен к катушке второго устройства для возбуждения колебаний, а выход третьего усилителя мощности подключен к катушке второго устройства для измерения колебаний. 4. The device according to claim 3, characterized in that the electronic unit contains first, second and third power amplifiers, first and second detector units, a normalizing unit and an integrating unit, the force sensor being connected to the input of the first power amplifier, the first output of which is connected to the first input of the first detector unit, the output of which is connected to the first input of the normalizing unit, the output of which is connected to the input of the integrating unit, the output of the second detector unit is connected to the second input of the normalizing unit, the output of which the carcasses of the first oscillation measuring device is connected to the second input of the first detector unit and to the inputs of the second detector unit, second and third power amplifiers, the second output of the first power amplifier is connected to the coil of the first device to excite oscillations, the output of the second power amplifier is connected to the coil of the second device to excite oscillations, and the output of the third power amplifier is connected to the coil of the second device for measuring oscillations.
RU2007124055/28A 2007-06-27 2007-06-27 Method of vibration measurement of weight flow rate and device for method implementation RU2354939C1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
RU2007124055/28A RU2354939C1 (en) 2007-06-27 2007-06-27 Method of vibration measurement of weight flow rate and device for method implementation
PCT/RU2008/000391 WO2009002226A2 (en) 2007-06-27 2008-06-24 Method for vibration measurement of mass flow rate and a device for carrying out said method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2007124055/28A RU2354939C1 (en) 2007-06-27 2007-06-27 Method of vibration measurement of weight flow rate and device for method implementation

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RU2007124055A true RU2007124055A (en) 2009-01-10
RU2354939C1 RU2354939C1 (en) 2009-05-10

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DE102017112245B4 (en) * 2017-06-02 2023-02-23 Endress+Hauser Flowtec Ag Sensor for measuring the mass flow of a fluid

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US3485098A (en) * 1964-09-03 1969-12-23 Anatole J Sipin Mass flow metering means
RU2153652C2 (en) * 1994-02-11 2000-07-27 Ооо "Нпо Ротор" Mass flow-rate measuring device
BR9911805A (en) * 1998-07-02 2001-03-27 Ind Res Ltd Coriolis effect flowmeter

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RU2354939C1 (en) 2009-05-10
WO2009002226A2 (en) 2008-12-31
WO2009002226A3 (en) 2009-02-12

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MM4A The patent is invalid due to non-payment of fees

Effective date: 20090628

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Effective date: 20101110

MM4A The patent is invalid due to non-payment of fees

Effective date: 20160628