Doppler ultrasonic velocity probe
First Claim
Patent Images
1. A system for measuring vibration velocity of a rotating shaft including:
- a probe sensor for measuring vibrations of said rotating shaft, said probe sensor having a housing, said housing including a first cradle opening and a second cradle opening;
an ultrasonic speaker, said ultrasonic speaker being positioned in said first cradle opening;
an ultrasonic microphone, said ultrasonic microphone located within said second cradle opening;
said probe sensor in communication with a probe analyzer circuit;
said probe analyzer circuit having a vibration analysis data and a probe health diagnostics data;
said probe health diagnostics data including at least one of a probe signal loss, a carrier frequency loss and a demodulator power loss;
said probe analyzer circuit having an zero phase probe;
wherein said zero phase probe generates a once-per-shaft revolution timing signal reference;
said probe sensor having a humidity compensation sensor;
said probe analyzer circuit having at least one manual switch, where said at least one manual switch, providing for at least one of a manual assignment of a direction of said shaft revolution and a manual input of at least one of a serial network drop code, a transceiver drop code, and an installation phase angle; and
wherein said probe sensor and said probe analyzer circuit are measuring said vibration velocity of said rotating shaft.
1 Assignment
0 Petitions
Accused Products
Abstract
A system and method for measuring the vibrations of a test object, such as a machine shaft or other rotating equipment. The system includes a probe sensor fitting having an ultrasonic speaker and an ultrasonic microphone. The probe sensor fitting includes a temperature and relative humidity sensor. The system further includes a probe analyzer circuit with a microcomputer that generates vibration analysis data and probe health diagnostics.
23 Citations
20 Claims
-
1. A system for measuring vibration velocity of a rotating shaft including:
-
a probe sensor for measuring vibrations of said rotating shaft, said probe sensor having a housing, said housing including a first cradle opening and a second cradle opening; an ultrasonic speaker, said ultrasonic speaker being positioned in said first cradle opening; an ultrasonic microphone, said ultrasonic microphone located within said second cradle opening; said probe sensor in communication with a probe analyzer circuit; said probe analyzer circuit having a vibration analysis data and a probe health diagnostics data; said probe health diagnostics data including at least one of a probe signal loss, a carrier frequency loss and a demodulator power loss; said probe analyzer circuit having an zero phase probe;
wherein said zero phase probe generates a once-per-shaft revolution timing signal reference;said probe sensor having a humidity compensation sensor; said probe analyzer circuit having at least one manual switch, where said at least one manual switch, providing for at least one of a manual assignment of a direction of said shaft revolution and a manual input of at least one of a serial network drop code, a transceiver drop code, and an installation phase angle; and wherein said probe sensor and said probe analyzer circuit are measuring said vibration velocity of said rotating shaft. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
-
-
14. A method for measuring the vibration velocity of a rotating shaft including the steps of:
-
providing a probe sensor for measuring vibrations of said rotating shaft, said probe sensor having a housing, said housing including a first cradle opening and a second cradle opening; providing an ultrasonic speaker, said ultrasonic speaker being positioned in said first cradle opening; providing an ultrasonic microphone, said ultrasonic microphone located within said second cradle opening; providing a temperature and humidity compensation sensor; transmitting an ultrasonic signal from said ultrasonic speaker toward said rotating shaft; reflecting said ultrasonic signal from said rotating shaft as a reflected ultrasonic signal to said ultrasonic microphone; transmitting said reflected ultrasonic signal to a probe analyzer circuit; said probe analyzer circuit performing a vibration analysis and a probe health diagnostics; transmitting said vibration analysis and said probe health diagnostics via a serial communications network, wherein said probe analyzer circuit provides said probe health diagnostics prior to said vibration analysis; said probe analyzer circuit providing for a zero phase probe;
wherein said zero phase probe generating a once-per-shaft revolution timing signal reference;providing for a manual configuration of a microcomputer, wherein said manual configuration provides for at least one of a manual assignment of a direction of said shaft revolution and manual input of at least one of a serial network drop code, a transceiver drop code, and an installation phase angle; and wherein said probe sensor and said probe analyzer circuit are measuring said vibration velocity of said rotating shaft. - View Dependent Claims (15, 16, 17, 18, 19, 20)
-
Specification