RU2017110634A - METHOD FOR DETECTING METAL PARTICLES IN OIL OF A LUBRICATION SYSTEM FOR FRICTION UNITS AND DETERMINING THE OIL FLOW SPEED - Google Patents

METHOD FOR DETECTING METAL PARTICLES IN OIL OF A LUBRICATION SYSTEM FOR FRICTION UNITS AND DETERMINING THE OIL FLOW SPEED Download PDF

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RU2017110634A
RU2017110634A RU2017110634A RU2017110634A RU2017110634A RU 2017110634 A RU2017110634 A RU 2017110634A RU 2017110634 A RU2017110634 A RU 2017110634A RU 2017110634 A RU2017110634 A RU 2017110634A RU 2017110634 A RU2017110634 A RU 2017110634A
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Russia
Prior art keywords
metal particles
oil
passage
signal
voltage pulses
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RU2017110634A
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Russian (ru)
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RU2017110634A3 (en
RU2668513C1 (en
Inventor
Сергей Юрьевич Боровик
Игорь Геннадьевич Коршиков
Юрий Николаевич Секисов
Виктор Александрович Белослудцев
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Федеральное государственное бюджетное учреждение науки Институт проблем управления сложными системами Российской академии наук (ИПУСС РАН)
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Priority to RU2017110634A priority Critical patent/RU2668513C1/en
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Publication of RU2017110634A3 publication Critical patent/RU2017110634A3/ru
Publication of RU2668513C1 publication Critical patent/RU2668513C1/en
Publication of RU2017110634A publication Critical patent/RU2017110634A/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N29/00—Special means in lubricating arrangements or systems providing for the indication or detection of undesired conditions; Use of devices responsive to conditions in lubricating arrangements or systems
    • F16N29/04—Special means in lubricating arrangements or systems providing for the indication or detection of undesired conditions; Use of devices responsive to conditions in lubricating arrangements or systems enabling a warning to be given; enabling moving parts to be stopped

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Testing Of Engines (AREA)
  • Measuring Volume Flow (AREA)
  • Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)

Claims (6)

Способ обнаружения частиц металла и определения скорости потока масла в системе смазки узлов трения на работающем газотурбинном двигателе, заключающийся в прокачке масла через проходной канал датчика; регистрации магнитных и немагнитных металлических частиц в потоке масла; формировании информационного сигнала о наличии частиц металла, отличающийся тем, что с целью повышения информативности сигнала измерительной цепи для исключения выдачи ложной информации о наличии частиц металла при воздействии помех, а также измерения скорости потока масла, введены дополнительные операции:A method for detecting metal particles and determining an oil flow rate in a lubrication system of friction units on a running gas turbine engine, the method comprising pumping oil through a sensor passage; registration of magnetic and non-magnetic metal particles in the oil stream; the formation of an information signal about the presence of metal particles, characterized in that in order to increase the information content of the measuring circuit signal to exclude the generation of false information about the presence of metal particles under the influence of interference, as well as measuring the oil flow rate, additional operations are introduced: преобразование информации о прохождении частицы металла по каналу датчика в электрический сигнал с помощью дифференциальной измерительной цепи, в которую включены два одновитковых вихретоковых чувствительных элемента ЧЭ1 и ЧЭ2, смешенных относительно друг друга по направлению потока на заданное расстояние h;converting information about the passage of a metal particle through the channel of the sensor into an electrical signal using a differential measuring circuit, which includes two single-turn eddy current sensing elements ЧЭ 1 and ЧЭ 2 , mixed relative to each other in the direction of flow for a given distance h; идентификация магнитных частиц металла выполняется по совокупности двух последовательных импульсов напряжения U1 и U2 в сигнале измерительной цепи, соответствующих прохождению частицы металла первого и второго чувствительных элементов, при этом обязательна смена полярности импульсов напряжения с положительной на отрицательную;identification of magnetic metal particles is performed by the combination of two consecutive voltage pulses U 1 and U 2 in the signal of the measuring circuit corresponding to the passage of the metal particle of the first and second sensitive elements, and the polarity of the voltage pulses must be changed from positive to negative; идентификация немагнитных частиц металла выполняется по совокупности двух последовательных импульсов напряжения U1 и U2 в сигнале измерительной цепи, соответствующих прохождению частицы металла первого и второго чувствительных элементов, при этом обязательна смена полярности импульсов напряжения с отрицательной на положительную;identification of non-magnetic metal particles is performed by the combination of two consecutive voltage pulses U 1 and U 2 in the signal of the measuring circuit corresponding to the passage of the metal particle of the first and second sensitive elements, while the polarity of the voltage pulses is changed from negative to positive; измерение времени tч между моментами прохождения частицы металла сечений ЧЭ1 и ЧЭ2;measurement of time t h between the moments of passage of a metal particle of sections CHE 1 and CHE 2 ; определение скорости потока масла Vм по известному расстоянию и времени прохождения частицы металла между чувствительными элементами.determination of the oil flow velocity V m from the known distance and the transit time of the metal particle between the sensing elements.
RU2017110634A 2017-03-29 2017-03-29 Metal particles detection in the friction units lubrication system oil and the oil flow speed determining method RU2668513C1 (en)

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RU2017110634A RU2668513C1 (en) 2017-03-29 2017-03-29 Metal particles detection in the friction units lubrication system oil and the oil flow speed determining method

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RU2017110634A RU2668513C1 (en) 2017-03-29 2017-03-29 Metal particles detection in the friction units lubrication system oil and the oil flow speed determining method

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2724309C1 (en) * 2019-04-24 2020-06-22 Федеральное государственное бюджетное учреждение науки Самарский федеральный исследовательский центр Российской академии наук (СамНЦ РАН) Method of detecting and estimating sizes of single metal particles in lubrication system of friction pairs of power plants
RU2749574C1 (en) * 2020-06-26 2021-06-15 Федеральное государственное бюджетное учреждение науки Самарский федеральный исследовательский центр Российской академии наук (СамНЦ РАН) Method for determining oil flow speed upon detection of metal particles in diagnostic means for friction units of gas turbine engines
RU2765325C1 (en) * 2021-03-10 2022-01-28 Акционерное общество "ОДК-Климов" Method for signaling the presence of chippings in oil and a device for its implementation

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RU2315900C1 (en) * 2006-04-20 2008-01-27 Открытое акционерное общество "Научно-производственное объединение "Сатурн" (ОАО "НПО "Сатурн") Lubricating system metal particles detector
RU2460006C1 (en) * 2011-04-15 2012-08-27 Открытое Акционерное Общество "Московский Вертолетный Завод Им. М.Л. Миля" Chip detector
RU2511971C1 (en) * 2012-12-24 2014-04-10 Открытое Акционерное Общество "Московский Вертолётный Завод Им. М.Л. Миля" Chip alarm
US9316630B2 (en) * 2013-11-08 2016-04-19 Sikorsky Aircraft Corporation Anti-clog and non-metallic debris detector for lubrication system inlet
WO2015134602A1 (en) * 2014-03-04 2015-09-11 Eaton Corporation Flow through debris sensor

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RU2668513C1 (en) 2018-10-01

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