SU802802A1 - Mass measuring device - Google Patents
Mass measuring device Download PDFInfo
- Publication number
- SU802802A1 SU802802A1 SU792728321A SU2728321A SU802802A1 SU 802802 A1 SU802802 A1 SU 802802A1 SU 792728321 A SU792728321 A SU 792728321A SU 2728321 A SU2728321 A SU 2728321A SU 802802 A1 SU802802 A1 SU 802802A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- base
- stiffness
- mass
- elastic element
- measured mass
- Prior art date
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- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Vibration Prevention Devices (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Description
1one
Изобретение относитс к весоизмерительной технике и может быть использовано дл измерени массы в услови х внешних вибраций, в частности, в услови х судовой качки.The invention relates to a weight measuring technique and can be used to measure the mass under external vibration conditions, in particular, in ship rolling conditions.
Известен способ измерени массы, согласно которому на упруго повышенную массу периодически воздействуют возмущающей силой с частотой, отличающейс от частоты внешних помех, а по амплитуде вынужденных колебаний, возникающих при этом, определ ют величину массы ijThere is a known method for measuring the mass, according to which an elastically increased mass is periodically affected by a disturbing force with a frequency different from the frequency of external interference, and the magnitude of the mass ij is determined from the amplitude of the forced oscillations that occur.
Однако этот способ не обеспечивает Достаточной точности измерений в услови х внешних вибраций.However, this method does not provide sufficient accuracy of measurements in the conditions of external vibrations.
Наиболее близким по технической сущности к описьшаемому способу вл етс способ измерени массы в услови х внешних вибраций, при котором упруго подвешивают измер емую массу на упруго установленном основании, на которое воз-. действуют возмущающей силой с заданной частотой 2.The closest in technical essence to the described method is the method of measuring the mass in the conditions of external vibrations, in which the measured mass is elastically suspended on an elastically established base on which it is possible. act as a disturbing force with a given frequency 2.
Недостатком такого способа вл етс сравнительно низка точность изктерени , обусловленна низкой чувствительностью. Причем чувствительность определ етс ка отношение изменени амплитуды к величине изменени массы, вызывающей это изменение амплитуды.The disadvantage of this method is the relatively low accuracy of icterine, due to low sensitivity. Moreover, the sensitivity is determined by the ratio of the change in amplitude to the magnitude of the change in mass causing this change in amplitude.
Целью изобретени вл етс увеличение точности измерени .The aim of the invention is to increase the measurement accuracy.
Дл достижени этого измен ют жесткость упругого элемента, соедин ющего измер ем)К) массу с основанием до по лучени минимальной амплитуды вынужден ных колебаний основани , и по величине этой жесткости определ ют величину измер емой массы.To achieve this, the stiffness of the elastic element connecting the measuring (K) mass to the base is changed to obtain the minimum amplitude of the forced vibrations of the base, and the value of the measured mass is determined from the value of this stiffness.
На чертеже представлена схема устройства , иллюстрирующего способ.The drawing shows a diagram of the device illustrating the method.
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU792728321A SU802802A1 (en) | 1979-02-19 | 1979-02-19 | Mass measuring device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU792728321A SU802802A1 (en) | 1979-02-19 | 1979-02-19 | Mass measuring device |
Publications (1)
Publication Number | Publication Date |
---|---|
SU802802A1 true SU802802A1 (en) | 1981-02-07 |
Family
ID=20811665
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU792728321A SU802802A1 (en) | 1979-02-19 | 1979-02-19 | Mass measuring device |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU802802A1 (en) |
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1979
- 1979-02-19 SU SU792728321A patent/SU802802A1/en active
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