55results about How to "Rich drive mode" patented technology

The invention relates to a hybrid drive technology structure of a hybrid power automobile, in particular to a multi-gear hybrid drive system based on a planetary gear train, the structure point is that it also includes a planet wheel system, a second clutch and a second brake, wherein the planetary wheel system includes an inner ring gear, sun gear and planet carrier, one end of the generator shaft is fixedly connected with the inner ring gear, the inner hub of the first brake is fixedly connected with the motor rotor and the inner ring gear of the generator, the inner ring gear is connected with the planet carrier through the second clutch, a plurality of planet wheels with the same structure are uniformly distributed on the planet carrier along the circumferential direction; the sun gearis fixedly connected with the driving motor shaft, a second brake is arranged on the driving motor shaft, the inner hub of the second brake is fixedly connected with the driving motor and the sun wheel, and the planet carrier is fixedly connected with the power output shaft. The invention has the advantages that the dynamic property and the energy utilization efficiency of the hybrid power automobile under different working conditions are improved, the volume weight of the motor of the engine is reduced, the use occasions of the hybrid power automobile are expanded, and it is particularly suitable for engineering machinery vehicles requiring multiple gears and large transmission ratios.

The invention discloses a power drive system used for a vehicle and the vehicle. The power drive system comprises an engine, a plurality of input shafts, a plurality of output shafts, a motor power shaft, a first electric motor generator, a second electric motor generator, a motor power shaft and a differential mechanism. The engine can be connected with the input shafts, the output shafts correspond to the input shafts, and the motor power shaft is sleeved with three gears; the first gear is linked with the several output shafts and the differential mechanism, and the second gear and the third gear are linked with two driving gearshift gears in a one-to-one correspondence mode; the first electric motor generator is linked with the motor power shaft, and the second electric motor generatorand the engine are located on the input side, at least one part of power of the engine can be used for stationary power generation. The power drive system is rich in drive mode, high in drive efficiency and high in stationary power generation efficiency.

The invention discloses a power driving system for a vehicle and the vehicle. The power driving system comprises an engine, multiple input shafts, multiple output shafts, a motor power shaft, a firstelectric generator and a second electric generator, and the engine is connected with at least one of the multiple input shafts; the motor power shaft is sleeved with a motor power shaft first gear anda motor power shaft second gear, a synchronizer is arranged between the motor power shaft first gear and the motor power shaft second gear, and the motor power shaft first gear and the multiple output shafts are in linkage with a differential mechanism, and the second gear is in linkage with one gear driven gear; the first electric generator is in linkage with the motor power shaft; the second electric generator and the engine are located at the input side of a first clutch device, and the second electric generator can utilize part of power output by the engine to conduct parking power generating when the vehicle parks. In this way, the power driving system is rich in driving mode, high in driving efficiency and high in parking power generating efficiency.

The invention discloses a double-motor differential coupling power system. In the double-motor differential coupling power system, two driving machines respectively or jointly drive two-stage differential components, when a first-stage gear and a coaxial bevel gear or a first-stage differential gear thereof are closed and/or released by selecting two corresponding sets of brakes, a plurality of driving modes such as motor independent driving, double-motor combined driving and the like are achieved, when one motor is driven by single low-speed large torque, the other motor is in a locking braking state, the following rotation loss of an idle motor in double-motor driving is reduced, and the service life of a motor bearing is effectively prolonged; the combined driving of allowing a large error matching range under the high rotating speed of the two motors is achieved, the requirement of high-precision rotating speed matching control of the two motors is greatly reduced, the cost of a control system is effectively reduced, the reliability of the system is effectively improved, the system has the advantages of high system efficiency, small size and weight, abundant driving modes, lowcost and the like, and is suitable for various pure electric vehicles.

The invention discloses a power transmission system and a vehicle. The power transmission system comprises a system power output part, a power source, a variable speed unit, a first motor generator unit and a mode conversion device, wherein the power source and the system power output part are in selective power coupling connection; the variable speed unit is selectively connected with the power source and connected with the system power output part; the first motor generator unit comprises a first motor generator and a unit coupling part, the unit coupling part is connected with the system power output part, and the first motor generator is selectively connected with the unit coupling part; and the mode conversion device is used for selectively connecting the variable speed unit with theunit coupling part and is in power coupling connection with the variable speed unit and the unit coupling part, so that power from the power source sequentially passes through the variable speed unitand the mode conversion device to be secondarily decelerated and then is output to the unit coupling part. Therefore, drive modes of the vehicle can be enriched, and the vehicle can adapt to differentroad conditions.

The invention discloses a power transmission system and a vehicle with the same. The power transmission system includes a power source, a first motor generator unit, a switching module, a system poweroutput part and a mode conversion device; the first motor generator unit comprises a first motor generator and a unit coupling part; the first motor generator is selectively in dynamic coupled connection with the power source or the unit coupling part through the switching module; the mode conversion device comprises an input part, a first conversion part, a second conversion part and an output part, the output part is connected with an input end of the system power output part, the input part is suitable for outputting power from at least one of the power source and the first motor generatorunit, the input part is selectively connected with the first conversion part or the second conversion part, the first conversion part and the second conversion part are both in matched transmission with the output part, the input part is connected with the second conversion part, and therefore rotational speed output by the input part is reduced and then output. In this way, the vehicle can adaptto different road conditions.

The invention discloses a power transmission system and a vehicle. The power transmission system includes a system power output part, a power source, a first motor generator unit and a mode conversiondevice; the first motor generator unit comprises a first motor generator and a unit coupling part, the unit coupling part is connected with an input end of the system power output part of the vehicle, and the first motor generator is selectively connected with the unit coupling part; the mode conversion device comprises an input part, a first conversion part, a second conversion part and an output part, the input part is selectively connected with the power source, the first conversion is connected with the input part and is selectively connected with the output part, the second conversion part is selectively connected with the input part and the output part, the output part is selectively connected with the unit coupling part and connected with the first motor generator, and therefore power output by the power source is suitable for being subjected to speed reduction through the input part and the second conversion part of the conversion device in sequence and output. In this way, the vehicle can adapt to different road conditions.