Tandem type hybrid power system for intelligent tractor and control method thereof

• Main Authors: ZHAO BIN, ZHAO SIXIA, ZHANG JUNJIANG, XU LIYOU, FENG GANGHUI, YAN XIANGHAI, LIU MENGNAN
• Format: Patent
• Language: Chinese; English
• Published: 11.10.2022
• 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; CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; PERFORMING OPERATIONS; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT; TRANSPORTING; VEHICLES IN GENERAL

The invention discloses a series-connection type hybrid power system for an intelligent tractor and a control method of the series-connection type hybrid power system for the intelligent tractor, and the series-connection type hybrid power system comprises a diesel engine, a generator, a traction motor, a transmission, a PTO motor, a central transmission, a power battery and a DC/AC converter, the output end of the generator is electrically connected with the input end of the traction motor, the input end of the power battery and the input end of the PTO motor, and the output end of the power battery is electrically connected with the input end of the traction motor and the input end of the PTO motor through the DC/AC converter. The operation mode of the tractor can be judged according to the expected vehicle speed provided by the intelligent driving system, different power supply modes are provided under different operation modes, and the problems that the tractor is poor in emission performance and insuffic