Crank position data conversion device of power bicycle

• Main Authors: ZHU YONGDA, WANG SAISAI, ZHANG WENJIE, CHEN HAIBO, WANG ZHEN
• Format: Patent
• Language: Chinese; English
• Published: 18.07.2012
• Subjects: ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS; CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION; CYCLES; ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MEASURING; MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR; PERFORMING OPERATIONS; PHYSICS; POWERED PROPULSION OF SLEDGES OR; RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; TARIFF METERING APPARATUS; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE; TESTING; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES; TRANSPORTING; VEHICLES IN GENERAL

The invention discloses a crank position data conversion device of a power bicycle, wherein an encoder consisting of a five-bit binary code disc arranged on a crank and five photoelectric sensors arranged on a motor is used for judging the absolute position signal of the crank and converting the signal into a five-bit binary code to be used as the basis of a position closed-loop control mode of the power bicycle position, so that the movement sensing control mode of the existing power bicycle is replaced by the position closed-loop control mode; and the crank position data conversion device is simple in structure, low in cost, good in effect and low in failure rate.