Power drive system and vehicle having the power drive system

A technology of power drive and power transmission, which is applied to the layout of multiple prime movers of general power plants, power plants, vehicle components, etc., can solve the problems that pure electric and hybrid parking power generation cannot be realized, and achieve rich transmission mode effect
CN106915238BActive Publication Date: 2020-06-19BYD 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
2020-06-19

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Abstract

The invention discloses a power driving system and a vehicle. The power driving system comprises a power coupling device, a first electric power generator, a second electric power generator, a third electric power generator, and a first brake device, wherein the power coupling device comprises a first sun gear, a first planet carrier, a first gear ring, a second sun gear, a second planet carrier and a second gear ring, wherein the first gear ring is coaxially connected with the second gear ring; the first electric power generator is linked with the first sun gear and the second electric power generator is linked with second sun gear; the third electric power generator is linked with a power transmission part; and the first brake device is used for directly or indirectly braking the gear rings. The power driving system disclosed by the embodiment of the invention has the advantages that a differential function is realized on the premise of eliminating the traditional mechanical differential mechanism and rich transmission modes are also realized.
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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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