Monitoring system for an assembly that is subject to vibrations
First Claim
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1. A monitoring system for an assembly, comprising:
- a first device for monitoring frequencies;
a vibration detection device, which picks up mechanical vibrations from a rotating machine;
at least one sensor device, which detects one or more measured values, other than a vibration, from the rotating machine; and
a measured value converter having inputs for the one or more measured values, the measured value converter being operative to convert the one or more measured values into a combined, time-variable analog signal, in which at least one frequency component represents a measured value, wherein;
the combined, time-variable analog signal of the measured value converter and the mechanical vibrations detected by the vibration detection device are input to the first device;
the first device is configured to perform an analysis of the rotating machine; and
,the sensor device has a digital signal output for the measured values detected.
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Abstract
A monitoring system for an assembly that is subject to vibrations. The system has a first unit for monitoring vibrations. The monitoring system permits the connection of a sensor unit that detects one or more measured values. A measured value converter with inputs for one or more measured values is provided to convert the values into a temporally variable analogue signal, in which at least one frequency portion represents one measured value. Other detected measured values and status parameters can thus be processed in one vibration monitoring unit.
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Citations
11 Claims
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1. A monitoring system for an assembly, comprising:
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a first device for monitoring frequencies; a vibration detection device, which picks up mechanical vibrations from a rotating machine; at least one sensor device, which detects one or more measured values, other than a vibration, from the rotating machine; and a measured value converter having inputs for the one or more measured values, the measured value converter being operative to convert the one or more measured values into a combined, time-variable analog signal, in which at least one frequency component represents a measured value, wherein; the combined, time-variable analog signal of the measured value converter and the mechanical vibrations detected by the vibration detection device are input to the first device; the first device is configured to perform an analysis of the rotating machine; and
,the sensor device has a digital signal output for the measured values detected. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A monitoring system for an assembly, comprising:
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a first device for monitoring vibration from a rotating machine and including first and second analog signal inputs; a vibration detection device arranged to detect mechanical vibrations from the rotating machine; at least one sensor device, which detects one or more measured values, from the rotating machine, other than a vibration; and a measured value converter; having at least one input for the one or more measured values; and
,being operative to convert the one or more measured values into a combined, time-variable analog signal, in which at least one frequency component represents a measured value, wherein; the first device is arranged to; receive the combined, time-variable analog signal at the first analog input; pick up, at the second analog input, a time-dependent analog signal, in the form of the mechanical vibrations, from the vibration detection device; and
,transform the time-dependent analog signal into a plurality of frequency ranges; and
,the sensor device has a digital signal output for the measured values detected.
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11. A monitoring system for an assembly, comprising:
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a first device for monitoring vibration from a rotating machine and including first and second analog signal inputs; a vibration detection device arranged to detect mechanical vibrations from the rotating machine; at least one sensor device, which detects one or more measured values, from the rotating machine, other than a vibration; an alarm threshold monitoring device; and a measured value converter; having at least one input for the one or more measured values; and
,being operative to convert the one or more measured values into a combined, time-variable analog signal, in which at least one frequency component represents a measured value, wherein; the first device is arranged to; receive the combined, time-variable analog signal at the first analog input; pick up, at the second analog input, a time-dependent analog signal, in the form of the mechanical vibrations, from the vibration detection device; transform the time-dependent analog signal into a plurality of frequency ranges; and
,transmit the plurality of frequency ranges to the alarm threshold monitoring device; the alarm threshold monitoring device is arranged to a signal when a frequency range exceeds a specific intensity; and
,the sensor device has a digital signal output for the measured values detected.
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Specification
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Current AssigneeSchaeffler Technologies AG & Co.KG (INA-Holding Schaeffler GmbH & Co. KG)
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Original AssigneeSchaeffler Technologies GmbH & Co. KG (INA-Holding Schaeffler GmbH & Co. KG)
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InventorsKuehl, Andreas, Langer, Goetz
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Primary Examiner(s)Williams, Hezron E
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Assistant Examiner(s)FAYYAZ, NASHMIYA SAQIB
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Application NumberUS12/999,722Publication NumberTime in Patent Office1,910 DaysField of Search735/79, 735/87, 736/59, 736/60US Class Current73/660CPC Class CodesG01D 3/021 using purely analogue techn...G01D 5/20 by varying inductance, e.g....
