Power system of electric vehicle

• Main Authors: DU YUEJIN, LI WEIDONG
• Format: Patent
• Language: Chinese; English
• Published: 13.03.2013
• Subjects: ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES; ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; BLASTING; CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; DYNAMO-ELECTRIC MACHINES; ELECTRICITY; ENGINEERING ELEMENTS AND UNITS; GEARING; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERATION; HEATING; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; LIGHTING; MECHANICAL ENGINEERING; PERFORMING OPERATIONS; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE; THERMAL INSULATION IN GENERAL; TRANSPORTING; VEHICLES IN GENERAL; WEAPONS

The utility model discloses a power system of an electric vehicle. A motor shaft (3a) is provided with a first-gear driving gear (4) and a second-gear driving gear (5) along the axial direction; a transmission shaft (6) is provided with a first-gear driven gear (8) and a double-control bidirectional clutch (9); the first-gear driven gear (8) is engaged with the first-gear driving gear (4); a cover body of the double-control bidirectional clutch (9) is fixedly sleeved with a second-gear driven gear (11); the second-gear driven gear (11) is engaged with the second-gear driving gear (5); the transmission shaft (6) is further provided with an output gear (12); and the output gear (12) is engaged with a speed-reducing gear (13) on an output shaft (7). The power system of the electric vehicle, disclosed by the utility model, has the advantages of simple and compact structure, easiness and rapidness for assembling, small volume and low production cost; a torque and an impacting load which need to be borne in the ope