DEVICE FOR MEASURING TEMPERATURE OF ROTATING OBJECTS Russian patent published in 2006 - IPC G01K7/02 G01K13/08 

FIELD: digital measurement equipment.

SUBSTANCE: device has disc disposed onto shaft of rotating object. Transmitting and receiving-compensating coils are mounted onto disc. Any pair of coils is connected in series to each other and with corresponding temperature detector. Main synchronous holes are disposed among transmitting coils. Linearly-changing current starting generator synchronous holes are disposed among receiving-compensating coils. Two sequent sections of motionless receiving coil are mounted symmetrically at both sides from plane of rotation of transmitting coils. Sections of receiving coil are connected with analog-to-digital converter and with amplifier. Digital output of analog-to-digital converter is connected with data processing unit. Two sections of compensating coil are mounted motionless at both sides from plane of rotation of receiving-compensating coils. Sections of compensating coil are electrically connected together and are connected to linearly-changing current oscillator. Digital input of linearly-changing current oscillator is connected with data processing unit. Starting input of linearly-changing current oscillator is connected with output of first sync unit. Lower filter is mounted at output of amplifier. Sample-memorizing amplifier is mounted between output of lower frequency filter and input of analog-to-digital converter. Control input of sample-memorizing amplifier and control input of analog-to-digital converter are connected with output of second synchronization unit. Additional sync hole is made onto dielectric disc to control operation of analog-to-digital converter and sample-memorizing amplifier.

EFFECT: improved precision of device.

4 dwg