OPTICAL-ELECTRONIC SYSTEM FOR ADJUSTMENT AND DIAGNOSTICS OF TECHNICAL CONDITION OF PAPER MANUFACTURING MACHINES (VARIANTS) Russian patent published in 2007 - IPC D21F7/06 G01N21/89 

FIELD: cellulose-paper industry, possible use for adjustment and diagnostics of technical condition of paper-manufacturing machines.

SUBSTANCE: in optical-electronic system for adjustment and diagnostics of technical condition of paper-making machines, used as radiation source is light diode or semiconductor laser, system is provided with generator of carrying frequency current, photo-receiving device, advance amplifier, digital potentiometer, band filter, amplifier, amplitude detector, low frequencies filter, normalizing amplifier, controller, analog-digital converter, interface and personal computer. In second variant in optical-electronic system for adjustment and diagnostics of technical condition of paper-making machines as radiation source, light diode or semiconductor laser is used, system is provided with generator of carrying frequency current, photo-receiving device, advance amplifier, digital potentiometer, band filter, amplifier, amplitude detector, low frequencies filter, normalizing amplifier, analog differential driver of line, differential receiver, controller, analog-digital converter, interface and personal computer.

EFFECT: increased trustworthiness of received measurement information, address diagnostics of paper-making machines and expanded functional capabilities of system.

2 cl, 3 dwg