An input-split two-speed transmission system for a hybrid vehicle and the vehicle
A technology for a hybrid vehicle and a transmission system, applied in the field of hybrid vehicles, can solve the problems of difficult layout, poor robustness, complex structure, etc., and achieve the effects of improving economy, easy layout, and improving operating efficiency
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Embodiment 1
[0038] refer to figure 1 , an input-split two-speed transmission system for a hybrid vehicle, comprising an engine 11, an electric motor 6, a starter generator 9, a clutch 17, a brake, a planetary gear train, a coupling sleeve 19, a final reducer 4 and a differential 2 , the planetary gear train includes a sun gear 13 , planetary gears, a planet carrier 14 and an inner ring gear 15 , and the brakes include an engine brake 12 and a motor brake 16 .
[0039] The engine 11 is connected with the planetary carrier 14 through the engine brake 12 , the motor 6 is connected with the ring gear 15 through the motor clutch 17 and the motor brake 16 , and the starter generator 9 is connected with the sun gear 13 through the single speed ratio gear 10 .
[0040] refer to figure 1 , the integrated starter generator 9 is connected to the battery pack 7 through an inverter / transformer 8 , and the motor 6 is connected to the battery pack 7 through an inverter / transformer 8 .
[0041] refer t...
Embodiment 2
[0062] Embodiment 2, with reference to Figure 10 , 11 , the intermediate gear 22 and the two-speed final reducer can completely replace the first gear set 5 or the second gear set 18 and the single-speed final reducer 4 in Embodiment 1, and have the same working effect.
[0063] refer to Figure 10 , when the fork 23 engages the short ring gear 20, the sun gear of the two-speed main reducer is locked, and the planetary gear train of the two-speed main reducer acts as a deceleration, which is a low gear.
[0064] refer to Figure 11 , when the fork 23 engages the long ring gear 21, the sun gear of the two-speed main reducer is connected with the planetary carrier. At this time, the sun gear, the planetary carrier and the inner ring gear of the two-speed final drive have the same speed, and the transmission ratio is 1, for the high gear.
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