Non-contact type signal transmitter for hot drawing roller

• Main Authors: LUO MINGXU, JIANG XIN
• Format: Patent
• Language: Chinese; English
• Published: 08.04.2009
• Subjects: ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS; MEASURING; MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR; MEASURING QUANTITY OF HEAT; MEASURING TEMPERATURE; NATURAL OR ARTIFICIAL THREADS OR FIBRES; PHYSICS; SIGNALLING; SPINNING; SPINNING OR TWISTING; TARIFF METERING APPARATUS; TESTING; TEXTILES; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR; TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILARSIGNALS

The utility model discloses a non-contact signal transmitter used for a thermal draw-off roller which has strong anti-interference ability, high measurement accuracy, stable temperature control, ensured product quality, comprising a rotor (1) connected with a thermal draw-off roller and a stator (2) corresponding to the rotor (1), a primary coil is arranged on the stator (2), a power supply is connected with the primary coil through a driving circuit; a secondary coil coupled with the primary coil is arranged on the rotor (1), output of the secondary coil is connected with a power supply process circuit, the output of which is connected with a microprocessor arranged on the rotor (1), a temperature sensor is connected with the microprocessor through an A/D switching circuit, the output of the microprocessor is connected with a light signal transmitting circuit; a light signal receiving circuit is arranged on the stator (2), the output of the light signal receiving circuit is connected with an output circuit.