Power drive system and vehicle with the power drive system

A power drive and power transmission technology, which is applied to the layout of multiple different prime movers of hybrid vehicles, general power plants, and motor vehicles. Effect of transmission mode
CN106915245BActive Publication Date: 2020-08-07BYD CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
BYD CO LTD
Publication Date
2020-08-07

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Abstract

The invention discloses a power drive system and a vehicle. The power drive system includes: a power coupling device, the power coupling device includes: a first sun gear, a first planet carrier and a first ring gear, a second sun gear, a second planet carrier and a second ring gear; and a power transmission part, The power transmission is coaxially coupled with the first sun gear and the second sun gear; a power source, the power source is arranged to selectively engage the power transmission; the first motor generator, the second motor generator, the first motor generator The second motor generator is linked with the first ring gear, and the second motor generator is linked with the second ring gear; and the first brake device directly or indirectly brakes the power transmission part. The power drive system of the present invention realizes the differential function on the premise of canceling the traditional mechanical differential, and has abundant transmission modes at the same time.
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Description

technical field

[0001] The invention relates to the technical field of automobiles, in particular to a power drive system and a vehicle with the power drive system. Background technique

[0002] In a related technology known to the inventor about a transmission device for a vehicle, the transmission device is provided with a pair of differential mechanisms and a pair of motors, and the differential mechanism has a sun gear, a planetary gear, a planetary carrier and an inner ring gear. The engine is input to the sun gears of a pair of differential mechanisms after being shifted by the intermediate transmission structure. The pair of motors respectively input driving forces to the ring gears of the pair of differential mechanisms. The transmission device cancels the traditional mechanical differential element, and uses two sets of planetary gear mechanisms to realize the power coupling of the two motors and the engine.

[0003] However, the above-mentioned transmission devic...

Claims

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